Tall Timbers, MD
07/20/2026 11:00 PM
77°F
TEMPERATURE
Winds 15 mph SE
Mostly Cloudy
A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 75. South wind 12 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Moonrise
01:53 PM
Moonset
12:51 AM
Sunrise
05:58 AM
Moon Phase
Waxing crescent
Sunset
08:26 PM

Hourly Forecast

Mon, 11:00 PM

Mostly Cloudy
Winds: 15 mph SE
77°

Tue, 12:00 AM

Mostly Cloudy
Winds: 14 mph SE
77°

Tue, 01:00 AM

Mostly Cloudy
Winds: 13 mph S
77°

Tue, 02:00 AM

Slight Chance Showers And Thunderstorms
Winds: 13 mph S
76°

Tue, 03:00 AM

Slight Chance Showers And Thunderstorms
Winds: 12 mph S
76°

Tue, 04:00 AM

Chance Showers And Thunderstorms
Winds: 12 mph S
75°

Tue, 05:00 AM

Chance Showers And Thunderstorms
Winds: 12 mph S
75°

Tue, 06:00 AM

Chance Showers And Thunderstorms
Winds: 12 mph S
75°

Tue, 07:00 AM

Chance Showers And Thunderstorms
Winds: 13 mph S
76°

Tue, 08:00 AM

Chance Showers And Thunderstorms
Winds: 14 mph S
78°

Tue, 09:00 AM

Chance Showers And Thunderstorms
Winds: 13 mph S
79°

Tue, 10:00 AM

Chance Showers And Thunderstorms
Winds: 13 mph S
81°

Tue, 11:00 AM

Chance Showers And Thunderstorms
Winds: 13 mph SW
83°

Tue, 12:00 PM

Slight Chance Showers And Thunderstorms
Winds: 13 mph SW
86°

Tue, 01:00 PM

Chance Showers And Thunderstorms
Winds: 14 mph SW
88°

Tue, 02:00 PM

Slight Chance Showers And Thunderstorms
Winds: 16 mph SW
90°

Tue, 03:00 PM

Chance Showers And Thunderstorms
Winds: 17 mph SW
90°

Tue, 04:00 PM

Chance Showers And Thunderstorms
Winds: 18 mph SW
90°

Tue, 05:00 PM

Showers And Thunderstorms Likely
Winds: 18 mph SW
87°

Tue, 06:00 PM

Showers And Thunderstorms
Winds: 20 mph SW
85°

Tue, 07:00 PM

Showers And Thunderstorms
Winds: 21 mph SW
83°

Tue, 08:00 PM

Showers And Thunderstorms
Winds: 20 mph SW
81°

Tue, 09:00 PM

Chance Showers And Thunderstorms
Winds: 18 mph SW
80°

Tue, 10:00 PM

Chance Showers And Thunderstorms
Winds: 17 mph SW
79°
Winds: 12 to 15 mph S
A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 75. South wind 12 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Winds: 12 to 18 mph S
Showers and thunderstorms likely. Some of the storms could be severe. Mostly cloudy, with a high near 90. Heat index values as high as 101. South wind 12 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Winds: 16 to 21 mph SW
Showers and thunderstorms before 2am, then showers and thunderstorms. Some of the storms could be severe. Cloudy, with a low around 76. Southwest wind 16 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Winds: 12 to 17 mph SW
Showers and thunderstorms before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 87. Southwest wind 12 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Winds: 8 to 13 mph NW
Showers and thunderstorms likely before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 70. Northwest wind 8 to 13 mph. Chance of precipitation is 70%.
Winds: 10 to 14 mph N
A slight chance of rain showers before 8am. Mostly sunny, with a high near 80. Chance of precipitation is 20%.
Winds: 5 to 13 mph NE
Mostly clear, with a low around 69.
Winds: 5 to 8 mph NE
Sunny, with a high near 79.
Winds: 3 to 7 mph NE
A slight chance of rain showers after 8pm. Mostly cloudy, with a low around 70. Chance of precipitation is 20%.
Winds: 6 mph NE
A slight chance of rain showers. Partly sunny, with a high near 79. Chance of precipitation is 20%.
Winds: 2 to 6 mph S
A slight chance of rain showers before 8pm. Partly cloudy, with a low around 71. Chance of precipitation is 20%.
Winds: 2 to 7 mph NE
Mostly sunny, with a high near 83.
Winds: 8 mph S
A slight chance of showers and thunderstorms between 8pm and 2am. Mostly clear, with a low around 73. Chance of precipitation is 20%.
Winds: 5 to 8 mph SW
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87.

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 warm front will return northward tonight into Tuesday, followed by another cold front Tuesday night into Wednesday. High pressure will build in from the west Thursday and Friday. Small Craft Advisories will likely be needed Wednesday through early Thursday.

SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING
Reporting time 10:57 PM EDT Mon Jul 20 2026
SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING
Reporting time 10:57 PM EDT Mon Jul 20 2026
SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TUESDAY NIGHT
Reporting time 10:57 PM EDT Mon Jul 20 2026
SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TUESDAY NIGHT
Reporting time 10:57 PM EDT Mon Jul 20 2026
SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TUESDAY NIGHT
Reporting time 10:57 PM EDT Mon Jul 20 2026
SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE TUESDAY NIGHT
Reporting time 10:57 PM EDT Mon Jul 20 2026
SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TUESDAY NIGHT
Reporting time 10:57 PM EDT Mon Jul 20 2026
SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TUESDAY NIGHT
Reporting time 10:57 PM EDT Mon Jul 20 2026
SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TUESDAY NIGHT
Reporting time 10:57 PM EDT Mon Jul 20 2026
SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TUESDAY NIGHT
Reporting time 10:57 PM EDT Mon Jul 20 2026
SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TUESDAY NIGHT
Reporting time 10:57 PM EDT Mon Jul 20 2026
SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE TUESDAY NIGHT
Reporting time 10:57 PM EDT Mon Jul 20 2026
SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TUESDAY NIGHT
Reporting time 10:57 PM EDT Mon Jul 20 2026
SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TUESDAY NIGHT
Reporting time 10:57 PM EDT Mon Jul 20 2026
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