Tall Timbers, MD
07/15/2026 02:00 AM
79°F
TEMPERATURE
Winds 13 mph SW
Clear
Clear, with a low around 76. Southwest wind around 13 mph.

Alerts

You have (1) alert(s). Tap to see details.

Heat Advisory

Moderate
Heat Advisory issued July 15 at 12:49AM EDT until July 15 at 8:00PM EDT by NWS Baltimore MD/Washington DC
NWS Baltimore MD/Washington DC
Category Certainty Severity
Met Likely Moderate
Status Urgency Category
Actual Expected Met
Effective Ends Expires
07/15/2026 12:49 AM 07/15/2026 08:00 PM 07/15/2026 09:00 AM 
* WHAT...Heat index values up to 105 expected.

* WHERE...Portions of DC, central, north central, northeast,
northern, and southern Maryland, and central, northern, and
northwest Virginia.

* WHEN...From 11 AM this morning to 8 PM EDT this evening.

* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
Moonrise
06:50 AM
Moonset
10:05 PM
Sunrise
05:54 AM
Moon Phase
Waxing crescent
Sunset
08:29 PM

Hourly Forecast

Wed, 02:00 AM

Clear
Winds: 13 mph SW
79°

Wed, 03:00 AM

Clear
Winds: 13 mph SW
78°

Wed, 04:00 AM

Clear
Winds: 12 mph SW
77°

Wed, 05:00 AM

Mostly Clear
Winds: 12 mph W
76°

Wed, 06:00 AM

Sunny
Winds: 12 mph W
76°

Wed, 07:00 AM

Sunny
Winds: 10 mph W
77°

Wed, 08:00 AM

Sunny
Winds: 9 mph W
78°

Wed, 09:00 AM

Sunny
Winds: 10 mph W
81°

Wed, 10:00 AM

Sunny
Winds: 9 mph W
84°

Wed, 11:00 AM

Sunny
Winds: 9 mph W
86°

Wed, 12:00 PM

Sunny
Winds: 8 mph W
88°

Wed, 01:00 PM

Sunny
Winds: 8 mph W
90°

Wed, 02:00 PM

Sunny
Winds: 8 mph W
92°

Wed, 03:00 PM

Sunny
Winds: 9 mph W
93°

Wed, 04:00 PM

Sunny
Winds: 9 mph W
94°

Wed, 05:00 PM

Sunny
Winds: 10 mph W
94°

Wed, 06:00 PM

Mostly Clear
Winds: 10 mph SW
94°

Wed, 07:00 PM

Mostly Clear
Winds: 10 mph SW
92°

Wed, 08:00 PM

Mostly Clear
Winds: 10 mph SW
90°

Wed, 09:00 PM

Mostly Clear
Winds: 10 mph SW
89°

Wed, 10:00 PM

Partly Cloudy
Winds: 10 mph SW
87°

Wed, 11:00 PM

Partly Cloudy
Winds: 10 mph SW
86°

Thu, 12:00 AM

Partly Cloudy
Winds: 9 mph SW
85°

Thu, 01:00 AM

Mostly Clear
Winds: 9 mph W
84°

Overnight

Clear
76°
Winds: 13 mph SW
Clear, with a low around 76. Southwest wind around 13 mph.

Wednesday

Sunny
95°
Winds: 8 to 12 mph W
Sunny, with a high near 95. Heat index values as high as 100. West wind 8 to 12 mph.

Wednesday Night

Mostly Clear
81°
Winds: 10 mph W
Mostly clear, with a low around 81. Heat index values as high as 101. West wind around 10 mph.

Thursday

Mostly Sunny
96°
Winds: 7 mph E
Mostly sunny, with a high near 96. Heat index values as high as 107. East wind around 7 mph.

Thursday Night

Partly Cloudy
81°
Winds: 6 to 9 mph W
Partly cloudy, with a low around 81. West wind 6 to 9 mph.

Friday

Sunny
92°
Winds: 6 to 9 mph NE
Sunny, with a high near 92.

Friday Night

Partly Cloudy
77°
Winds: 5 to 8 mph SE
Partly cloudy, with a low around 77.

Saturday

Chance Showers And Thunderstorms
89°
Winds: 5 to 10 mph S
A chance of showers and thunderstorms after 8am. Partly sunny, with a high near 89. Chance of precipitation is 50%.

Saturday Night

Chance Showers And Thunderstorms
77°
Winds: 7 to 10 mph S
A chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Chance of precipitation is 50%.

Sunday

Slight Chance Rain Showers then Chance Showers And Thunderstorms
88°
Winds: 8 mph W
A slight chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 50%.

Sunday Night

Chance Showers And Thunderstorms
76°
Winds: 5 to 8 mph W
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 76. Chance of precipitation is 50%.

Monday

Mostly Sunny then Slight Chance Showers And Thunderstorms
88°
Winds: 5 to 8 mph W
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 20%.

Monday Night

Slight Chance Showers And Thunderstorms then Partly Cloudy
77°
Winds: 8 mph S
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 77. Chance of precipitation is 20%.

Tuesday

Mostly Sunny then Chance Showers And Thunderstorms
89°
Winds: 7 to 12 mph SW
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89.

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. High pressure will shift to the south the second half of the week. A weak cold front will drop southward Thursday into Friday, then a stronger cold front will approach from the north Saturday.

Tidal Potomac from Key Bridge to Indian Head

REST OF TONIGHT
SW winds 5 kt Waves less than 1 ft
WED
W winds 5 to 10 kt Waves 1 ft
WED NIGHT
W winds 5 to 10 kt Waves 1 ft
THU
N winds 5 kt
THU NIGHT
NW winds 5 kt Waves less than 1 ft
FRI
NE winds 5 kt Waves less than 1 ft
FRI NIGHT
SE winds around 5 kt Waves 1 ft
SAT
S winds 5 to 10 kt Waves 1 ft Showers likely with a chance of tstms
SUN
W winds 5 to 10 kt Waves 1 ft A chance of showers and tstms through the night
Reporting time 10:57 PM EDT Tue Jul 14 2026

Tidal Potomac from Indian Head to Cobb Island

REST OF TONIGHT
SW winds 5 to 10 kt Waves 1 ft
WED
W winds 5 to 10 kt Waves 1 ft
WED NIGHT
W winds 5 to 10 kt Waves 1 ft
THU
W winds 5 kt Waves less than 1 ft
THU NIGHT
NW winds 5 kt Waves less than 1 ft
FRI
NE winds 5 kt Waves less than 1 ft
FRI NIGHT
SE winds around 5 kt Waves 1 ft
SAT
S winds 5 to 10 kt Waves 1 ft Showers likely through the night A chance of tstms A chance of showers after midnight
SUN
W winds 5 to 10 kt Waves 1 ft A chance of showers and tstms through the night
Reporting time 10:57 PM EDT Tue Jul 14 2026

Tidal Potomac from Cobb Island to Smith Point

REST OF TONIGHT
SW winds 10 to 15 kt with gusts to 20 kt Waves 1 ft
WED
W winds 5 to 10 kt Waves 1 ft
WED NIGHT
SW winds 5 to 10 kt Waves 1 ft
THU
N winds 5 to 10 kt
THU NIGHT
S winds 5 to 10 kt
FRI
NE winds 5 to 10 kt Waves 1 ft
FRI NIGHT
SE winds 5 to 10 kt Waves 1 ft
SAT
S winds 5 to 10 kt Waves 1 ft A chance of showers and tstms
SUN
W winds 5 to 10 kt Waves 1 ft A chance of showers and tstms
Reporting time 10:57 PM EDT Tue Jul 14 2026

Chesapeake Bay north of Pooles Island

REST OF TONIGHT
SW winds 10 kt Waves 1 ft
WED
W winds 10 kt Waves 1 ft
WED NIGHT
NW winds 5 to 10 kt
THU
NW winds 5 kt
THU NIGHT
NW winds 5 to 10 kt Waves 1 ft
FRI
N winds 5 kt Waves less than 1 ft
FRI NIGHT
SE winds around 5 kt Waves 1 ft A chance of showers and tstms
SAT
S winds 5 to 10 kt Waves 1 ft A chance of tstms
SUN
W winds 5 to 10 kt
Reporting time 10:57 PM EDT Tue Jul 14 2026

Chesapeake Bay from Pooles Island to Sandy Point

REST OF TONIGHT
SW winds 10 to 15 kt with gusts to 20 kt Waves 1 to 2 ft
WED
W winds 10 kt Waves 1 ft
WED NIGHT
W winds 5 to 10 kt
THU
N winds 5 to 10 kt
THU NIGHT
SW winds 5 to 10 kt
FRI
N winds 5 kt Waves less than 1 ft
FRI NIGHT
SE winds 5 kt Waves less than 1 ft A chance of showers and tstms
SAT
S winds 5 to 10 kt Waves 1 ft A chance of tstms
SUN
W winds 5 to 10 kt
Reporting time 10:57 PM EDT Tue Jul 14 2026

Patapsco River including Baltimore Harbor

REST OF TONIGHT
SW winds 10 kt Waves 1 ft
WED
W winds 5 to 10 kt Waves 1 ft
WED NIGHT
NW winds 5 to 10 kt Waves 1 ft
THU
SE winds 5 kt Waves less than 1 ft
THU NIGHT
NW winds 5 kt Waves flat
FRI
NE winds 5 kt Waves flat
FRI NIGHT
SE winds around 5 kt Waves flat A chance of showers and tstms
SAT
S winds 5 to 10 kt Waves 1 ft or less A chance of tstms
SUN
NW winds 5 to 10 kt Waves 1 ft or less A chance of showers and tstms through the night
Reporting time 10:57 PM EDT Tue Jul 14 2026

Chester River to Queenstown MD

REST OF TONIGHT
SW winds 10 to 15 kt with gusts to 20 kt Waves 1 to 2 ft
WED
W winds 10 kt Waves 1 ft
WED NIGHT
W winds 10 kt
THU
N winds 5 to 10 kt
THU NIGHT
SW winds 5 to 10 kt
FRI
N winds 5 to 10 kt Waves 1 ft or less
FRI NIGHT
SE winds around 5 kt Waves flat A chance of showers and tstms
SAT
S winds 5 to 10 kt Waves 1 ft A chance of tstms
SUN
W winds 5 to 10 kt
Reporting time 10:57 PM EDT Tue Jul 14 2026

Chesapeake Bay from Sandy Point to North Beach

SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EDT WEDNESDAY
Reporting time 10:57 PM EDT Tue Jul 14 2026

Eastern Bay

REST OF TONIGHT
SW winds 15 kt with gusts to 20 kt Waves 1 to 2 ft
WED
W winds 10 kt Waves 1 ft
WED NIGHT
W winds 10 kt
THU
NE winds 5 to 10 kt
THU NIGHT
SW winds 5 to 10 kt
FRI
N winds 5 to 10 kt Waves 1 ft or less
FRI NIGHT
SE winds 5 kt Waves less than 1 ft
SAT
S winds 5 to 10 kt Waves 1 ft or less A chance of tstms
SUN
W winds 5 to 10 kt Waves 1 ft A chance of showers and tstms through the night
Reporting time 10:57 PM EDT Tue Jul 14 2026

Chesapeake Bay from North Beach to Drum Point

SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EDT WEDNESDAY
Reporting time 10:57 PM EDT Tue Jul 14 2026

Choptank River to Cambridge MD and the Little Choptank River

SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EDT WEDNESDAY
Reporting time 10:57 PM EDT Tue Jul 14 2026

Patuxent River to Broomes Island MD

SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EDT WEDNESDAY
Reporting time 10:57 PM EDT Tue Jul 14 2026

Chesapeake Bay from Drum Point to Smith Point

SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EDT WEDNESDAY
Reporting time 10:57 PM EDT Tue Jul 14 2026

Tangier Sound and the inland waters surrounding Bloodsworth Island

SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EDT WEDNESDAY
Reporting time 10:57 PM EDT Tue Jul 14 2026
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