Annapolis MD
07/18/2026 01:00 AM
80°F
TEMPERATURE
Winds 5 mph S
Smoke
Smoke before 3am, then areas of smoke and a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 77. South wind around 5 mph. Chance of precipitation is 20%.

Alerts

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Air Quality Alert issued July 17 at 4:40PM EDT by NWS Baltimore MD/Washington DC
NWS Baltimore MD/Washington DC
Category Certainty Severity
Met Unknown Unknown
Status Urgency Category
Actual Unknown Met
Effective Ends Expires
07/17/2026 04:40 PM 07/18/2026 01:54 AM 07/19/2026 12:00 AM
The Maryland Department of the Environment has issued a Code
ORANGE Air Quality Alert Saturday for
the Baltimore City Metro and Annapolis region.

Concentrations of fine particulate matter due to wildfire smoke will
persist at levels consistent with an Air Quality Index of Unhealthy
(Red Alert) to Very Unhealthy (Purple Alert) Friday night into
Saturday morning. Air quality begins to improve Saturday afternoon.

Code Purple and Code Red Air Quality Alerts mean that air pollution
concentrations within the region are unhealthy to very unhealthy for
the general population.

A Code Orange Air Quality Alert means that air pollution
concentrations within the region may become unhealthy for
sensitive groups. Sensitive groups include children, people
suffering from asthma, heart disease or other lung diseases and
the elderly. The effects of air pollution can be minimized by
avoiding strenuous activity or exercise outdoors.

For more information on ground-level ozone
and fine particles visit the web site
mde.maryland.gov/programs/air/AirQualityMonitoring/Pages/index.aspx
                                            
Moonrise
10:36 AM
Moonset
11:40 PM
Sunrise
05:54 AM
Moon Phase
Waxing crescent
Sunset
08:30 PM

Hourly Forecast

Sat, 01:00 AM

Smoke
Winds: 5 mph S
80°

Sat, 02:00 AM

Areas Of Smoke
Winds: 5 mph S
79°

Sat, 03:00 AM

Areas Of Smoke
Winds: 5 mph S
79°

Sat, 04:00 AM

Areas Of Smoke
Winds: 5 mph S
78°

Sat, 05:00 AM

Areas Of Smoke
Winds: 5 mph S
78°

Sat, 06:00 AM

Areas Of Smoke
Winds: 5 mph S
77°

Sat, 07:00 AM

Areas Of Smoke
Winds: 6 mph S
79°

Sat, 08:00 AM

Areas Of Smoke
Winds: 7 mph S
80°

Sat, 09:00 AM

Areas Of Smoke
Winds: 7 mph S
83°

Sat, 10:00 AM

Areas Of Smoke
Winds: 8 mph S
87°

Sat, 11:00 AM

Areas Of Smoke
Winds: 9 mph S
91°

Sat, 12:00 PM

Partly Sunny
Winds: 10 mph S
93°

Sat, 01:00 PM

Slight Chance Showers And Thunderstorms
Winds: 12 mph S
94°

Sat, 02:00 PM

Chance Showers And Thunderstorms
Winds: 12 mph S
95°

Sat, 03:00 PM

Showers And Thunderstorms Likely
Winds: 12 mph S
94°

Sat, 04:00 PM

Showers And Thunderstorms
Winds: 12 mph S
93°

Sat, 05:00 PM

Showers And Thunderstorms
Winds: 10 mph SW
92°

Sat, 06:00 PM

Showers And Thunderstorms Likely
Winds: 9 mph SW
89°

Sat, 07:00 PM

Showers And Thunderstorms Likely
Winds: 8 mph SW
88°

Sat, 08:00 PM

Showers And Thunderstorms Likely
Winds: 8 mph SW
85°

Sat, 09:00 PM

Chance Showers And Thunderstorms
Winds: 7 mph SW
81°

Sat, 10:00 PM

Chance Showers And Thunderstorms
Winds: 7 mph SW
79°

Sat, 11:00 PM

Chance Showers And Thunderstorms
Winds: 6 mph SW
78°

Sun, 12:00 AM

Chance Showers And Thunderstorms
Winds: 6 mph SW
78°
Winds: 5 mph S
Smoke before 3am, then areas of smoke and a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 77. South wind around 5 mph. Chance of precipitation is 20%.
Winds: 5 to 12 mph S
Areas of smoke before noon, then showers and thunderstorms likely between 1pm and 4pm, then showers and thunderstorms. Mostly cloudy, with a high near 95. Heat index values as high as 109. South wind 5 to 12 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Winds: 6 to 9 mph SW
Showers and thunderstorms likely before 8pm, then showers and thunderstorms likely between 8pm and 9pm, then a chance of showers and thunderstorms between 9pm and 3am. Mostly cloudy, with a low around 75. Heat index values as high as 102. Southwest wind 6 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Winds: 9 mph NW
Mostly sunny, with a high near 89. Northwest wind around 9 mph. New rainfall amounts less than a tenth of an inch possible.
Winds: 3 to 8 mph NE
Mostly clear, with a low around 71. Northeast wind 3 to 8 mph.
Winds: 7 mph E
Sunny, with a high near 88.
Winds: 7 mph S
A slight chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 73. Chance of precipitation is 20%.
Winds: 6 to 13 mph S
A chance of showers and thunderstorms. Partly sunny, with a high near 92. Chance of precipitation is 40%.
Winds: 13 mph SW
A chance of showers and thunderstorms before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 76. Chance of precipitation is 70%.
Winds: 13 mph W
Showers and thunderstorms likely before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 60%.
Winds: 7 to 10 mph NW
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 71. Chance of precipitation is 50%.
Winds: 8 mph N
Sunny, with a high near 87.
Winds: 6 mph N
Mostly clear, with a low around 70.
Winds: 6 mph NE
A slight chance of rain showers after 2pm. Mostly sunny, with a high near 88.

Coastal Waters Forecast

National Weather Service Baltimore MD/Washington DC

FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY.

Tidal Potomac River and Maryland portion of Chesapeake Bay. Forecasts of wave heights do not include effects of wind direction relative to tidal currents. Expect higher waves when winds are blowing against the tidal flow. Waves flat where waters are iced over. A front will return northward as a warm front late tonight into Saturday morning. A stronger cold front will drop through the region Saturday night into Sunday. High pressure will build north of the area Monday. Small Craft Advisories may be needed for portions of the waters through Saturday night, and again Monday night into Tuesday. Special Marine Warnings will likely be needed Saturday afternoon and evening.

REST OF TONIGHT
SE winds 5 kt Waves less than 1 ft Smoke A slight chance of showers and tstms
SAT
SW winds 5 to 10 kt Gusts up to 25 kt Waves 1 ft Showers likely with a chance of tstms Areas of smoke Vsby 1 NM or less
SAT NIGHT
SW winds 5 to 10 kt Gusts up to 20 kt early in the evening Waves 1 ft Showers and tstms likely
SUN
NW winds 5 to 10 kt Waves 1 ft
SUN NIGHT
NE winds around 5 kt Waves 1 ft
MON
E winds around 5 kt Waves 1 ft
MON NIGHT
S winds 5 to 10 kt Waves 1 ft
TUE
SW winds 5 to 10 kt Waves 1 ft A chance of showers and tstms in the afternoon Showers likely with a chance of tstms through the night
WED
W winds 5 to 10 kt Waves 1 ft Showers likely in the morning, then a chance of showers and tstms through the night
Reporting time 10:59 PM EDT Fri Jul 17 2026
REST OF TONIGHT
SE winds 5 kt Waves less than 1 ft Smoke A slight chance of showers and tstms
SAT
S winds 10 to 15 kt with gusts to 20 kt Waves 1 ft Showers likely with a chance of tstms Areas of smoke
SAT NIGHT
SW winds 5 to 10 kt Gusts up to 20 kt in the evening Waves 1 ft Showers and tstms likely
SUN
NW winds 5 to 10 kt Waves 1 ft
SUN NIGHT
NE winds around 5 kt Waves 1 ft
MON
E winds 5 to 10 kt Waves 1 ft A chance of showers and tstms
MON NIGHT
S winds 5 to 10 kt Waves 1 ft
TUE
SW winds 10 to 15 kt Waves 1 ft A chance of showers and tstms through the night Showers likely with a chance of tstms after midnight
WED
W winds 10 to 15 kt
Reporting time 10:59 PM EDT Fri Jul 17 2026
REST OF TONIGHT
SE winds 5 to 10 kt Waves 1 ft Areas of smoke
SAT
S winds 10 to 15 kt Gusts up to 20 kt in the late morning and afternoon Waves 1 to 2 ft A chance of showers and tstms Areas of smoke
SAT NIGHT
SW winds 10 to 15 kt with gusts to 20 kt Waves 1 to 2 ft A chance of showers and tstms
SUN
NW winds 5 to 10 kt Waves 1 ft A chance of showers
SUN NIGHT
NE winds 5 to 10 kt Waves 1 ft
MON
E winds 5 to 10 kt Waves 1 ft A chance of showers and tstms
MON NIGHT
S winds 5 to 10 kt Waves 1 ft
TUE
SW winds 10 to 15 kt Waves 1 to 2 ft A chance of showers and tstms
WED
W winds 10 to 15 kt
Reporting time 10:59 PM EDT Fri Jul 17 2026
REST OF TONIGHT
S winds 5 kt Waves less than 1 ft Smoke
SAT
S winds 5 to 10 kt Gusts up to 20 kt in the late morning and afternoon Waves 1 to 2 ft Showers with tstms likely Areas of smoke Vsby 1 NM or less
SAT NIGHT
SW winds 5 to 10 kt Waves 1 ft Showers and tstms likely
SUN
NW winds 5 to 10 kt Waves 1 ft
SUN NIGHT
NE winds 5 kt Waves less than 1 ft
MON
E winds around 5 kt Waves 1 ft
MON NIGHT
SE winds 5 to 10 kt Waves 1 ft
TUE
S winds 10 to 15 kt Waves 1 to 2 ft A chance of showers in the afternoon A chance of tstms Showers likely through the night
WED
W winds 10 to 15 kt
Reporting time 10:59 PM EDT Fri Jul 17 2026
REST OF TONIGHT
S winds 5 to 10 kt Waves 1 ft or less Smoke A slight chance of showers and tstms
SAT
S winds 10 to 15 kt Gusts up to 20 kt in the late morning and afternoon Waves 1 to 2 ft Showers with tstms likely Areas of smoke Vsby 1 NM or less
SAT NIGHT
SW winds 10 kt Waves 1 ft Showers with tstms likely
SUN
NW winds 5 to 10 kt Waves 1 ft
SUN NIGHT
NE winds 5 to 10 kt Waves 1 ft
MON
E winds 5 to 10 kt Waves 1 ft
MON NIGHT
S winds 5 to 10 kt Waves 1 ft
TUE
S winds 15 to 20 kt Waves 1 to 2 ft A chance of showers in the afternoon A chance of tstms Showers likely through the night
WED
W winds 10 to 15 kt
Reporting time 10:59 PM EDT Fri Jul 17 2026
REST OF TONIGHT
S winds 5 kt Waves flat Smoke A slight chance of showers and tstms
SAT
S winds 5 to 10 kt Waves 1 ft Showers with tstms likely Areas of smoke Vsby 1 NM or less
SAT NIGHT
SW winds 5 to 10 kt Waves 1 ft Showers and tstms likely
SUN
NW winds 5 to 10 kt Waves 1 ft
SUN NIGHT
NE winds 5 to 10 kt Waves 1 ft or less
MON
E winds 5 kt Waves less than 1 ft
MON NIGHT
S winds 5 to 10 kt Waves 1 ft
TUE
S winds 10 to 15 kt Waves 1 ft A chance of showers in the afternoon A chance of tstms Showers likely through the night
WED
W winds 5 to 10 kt Waves 1 ft A chance of showers A chance of tstms through the night
Reporting time 10:59 PM EDT Fri Jul 17 2026
REST OF TONIGHT
S winds 5 kt Waves less than 1 ft Smoke
SAT
S winds 5 to 10 kt Gusts up to 20 kt in the late morning and afternoon Waves 1 ft Showers with tstms likely Areas of smoke Vsby 1 NM or less
SAT NIGHT
SW winds 5 to 10 kt Waves 1 ft Showers with tstms likely
SUN
NW winds 5 to 10 kt Waves 1 ft
SUN NIGHT
NE winds around 5 kt Waves 1 ft
MON
E winds 5 kt Waves less than 1 ft
MON NIGHT
SE winds 5 to 10 kt Waves 1 ft
TUE
S winds 10 to 15 kt Waves 1 to 2 ft A chance of showers in the afternoon A chance of tstms Showers likely through the night
WED
W winds 10 to 15 kt
Reporting time 10:59 PM EDT Fri Jul 17 2026
REST OF TONIGHT
S winds 5 to 10 kt Waves 1 ft Smoke A slight chance of showers and tstms
SAT
S winds 10 to 15 kt Gusts up to 20 kt in the late morning and afternoon Waves 1 to 2 ft Showers with tstms likely Areas of smoke Vsby 1 NM or less
SAT NIGHT
SW winds 10 kt Waves 1 to 2 ft Showers and tstms likely
SUN
N winds 10 kt Waves 1 ft
SUN NIGHT
NE winds 5 to 10 kt Waves 1 ft
MON
E winds 5 to 10 kt Waves 1 ft
MON NIGHT
S winds 5 to 10 kt Waves 2 ft
TUE
S winds 15 to 20 kt Waves 2 to 3 ft A chance of showers in the afternoon A chance of tstms Showers likely through the night
WED
W winds 10 to 15 kt
Reporting time 10:59 PM EDT Fri Jul 17 2026
REST OF TONIGHT
S winds 5 kt Waves less than 1 ft Smoke
SAT
S winds 5 to 10 kt Gusts up to 20 kt in the late morning and afternoon Waves 1 ft Showers with tstms likely Areas of smoke Vsby 1 NM or less
SAT NIGHT
SW winds 5 to 10 kt Waves 1 ft Showers and tstms likely
SUN
NW winds 5 to 10 kt Waves 1 ft
SUN NIGHT
NE winds 5 kt Waves less than 1 ft
MON
E winds 5 kt Waves less than 1 ft
MON NIGHT
S winds 5 to 10 kt Waves 1 ft
TUE
S winds 10 to 15 kt Waves 1 to 2 ft A chance of showers in the afternoon A chance of tstms Showers likely through the night
WED
W winds 10 to 15 kt
Reporting time 10:59 PM EDT Fri Jul 17 2026
REST OF TONIGHT
S winds 10 kt Waves 1 ft Smoke late this evening, then areas of smoke
SAT
S winds 10 to 15 kt with gusts to 20 kt Waves 1 to 2 ft Showers and tstms likely Areas of smoke Vsby 1 NM or less
SAT NIGHT
SW winds 10 to 15 kt
SUN
N winds 10 kt Waves 1 to 2 ft
SUN NIGHT
NE winds 5 to 10 kt Waves 1 ft
MON
E winds 5 to 10 kt Waves 1 ft
MON NIGHT
S winds 5 to 10 kt Waves 2 ft
TUE
S winds 15 to 20 kt Waves 1 ft
WED
W winds 10 to 15 kt
Reporting time 10:59 PM EDT Fri Jul 17 2026
REST OF TONIGHT
S winds 10 kt Waves 1 ft Smoke late this evening, then areas of smoke
SAT
S winds 10 to 15 kt Gusts up to 20 kt in the late morning and afternoon Waves 1 to 2 ft Tstms likely with a chance of showers Areas of smoke Vsby 1 NM or less
SAT NIGHT
SW winds 5 to 10 kt Waves 1 to 2 ft Showers and tstms likely
SUN
NW winds 5 to 10 kt Waves 1 ft
SUN NIGHT
NE winds 5 to 10 kt Waves 1 ft
MON
E winds 5 kt Waves less than 1 ft
MON NIGHT
S winds 5 to 10 kt Waves 1 ft
TUE
S winds 15 to 20 kt Waves 1 to 2 ft A chance of showers in the afternoon A chance of tstms Showers likely through the night
WED
W winds 10 to 15 kt
Reporting time 10:59 PM EDT Fri Jul 17 2026
REST OF TONIGHT
SE winds 5 kt Waves less than 1 ft Smoke late this evening, then areas of smoke
SAT
S winds 10 to 15 kt with gusts to 20 kt Waves 1 ft Showers and tstms likely Areas of smoke Vsby 1 NM or less
SAT NIGHT
SW winds 5 to 10 kt Waves 1 ft Showers and tstms likely
SUN
NW winds 5 to 10 kt Waves 1 ft
SUN NIGHT
NE winds 5 kt Waves less than 1 ft
MON
E winds 5 to 10 kt Waves 1 ft
MON NIGHT
S winds 5 to 10 kt Waves 1 ft
TUE
S winds 10 to 15 kt Waves 1 ft A chance of showers and tstms
WED
W winds 10 to 15 kt
Reporting time 10:59 PM EDT Fri Jul 17 2026
REST OF TONIGHT
SE winds 10 kt Waves 1 ft Areas of smoke
SAT
S winds 10 to 15 kt with gusts to 20 kt Waves 2 to 3 ft A chance of showers and tstms Areas of smoke Vsby 1 NM or less
SAT NIGHT
SW winds 10 to 15 kt
SUN
NW winds 5 to 10 kt Waves 2 ft A chance of showers
SUN NIGHT
NE winds 5 to 10 kt Waves 1 ft
MON
E winds 5 to 10 kt Waves 1 ft
MON NIGHT
S winds 10 kt Waves 2 ft
TUE
S winds 15 to 20 kt Waves 2 to 3 ft A chance of showers and tstms
WED
W winds 15 to 20 kt
Reporting time 10:59 PM EDT Fri Jul 17 2026
REST OF TONIGHT
SE winds 10 kt Waves 1 ft Areas of smoke
SAT
S winds 10 to 15 kt Gusts up to 20 kt
SAT NIGHT
SW winds 10 to 15 kt
SUN
NW winds 10 to 15 kt Waves 1 ft A chance of showers
SUN NIGHT
NE winds 5 to 10 kt Waves 1 ft
MON
E winds 5 to 10 kt Waves 1 ft
MON NIGHT
S winds 10 kt Waves 1 ft A chance of showers and tstms
TUE
S winds 15 to 20 kt Waves 1 to 2 ft
WED
W winds 15 to 20 kt
Reporting time 10:59 PM EDT Fri Jul 17 2026
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