NimbocastPotomac, MD Weather
Live radar, hourly and 7-day forecast, and National Weather Service alerts for Potomac, Montgomery County, Maryland.
Updated Jul 29, 2026, 5:04 PM local time · Radar refreshes every 5 minutes
☁️
Potomac
81°F
Wind 15 mph
Humidity 47%
Cloud cover 85%
UV index 7
Alerts 0
Active alerts
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No active National Weather Service alerts for Potomac, MD.
Potomac weather radar
Light
Heavy
Next 24 hours
Now
☁️
81°F
6 PM
⛅
81°F
7 PM
🌤️
79°F
2%
8 PM
☁️
77°F
3%
9 PM
🌤️
74°F
1%
10 PM
⛅
73°F
1%
11 PM
⛅
73°F
1%
12 AM
🌤️
72°F
1%
1 AM
☀️
71°F
2 AM
☀️
70°F
3 AM
☀️
68°F
4 AM
☀️
67°F
5 AM
☀️
67°F
6 AM
☀️
66°F
7 AM
☀️
67°F
8 AM
☀️
70°F
9 AM
☀️
73°F
10 AM
☀️
75°F
11 AM
☀️
78°F
12 PM
☀️
80°F
1 PM
🌤️
82°F
2 PM
☁️
83°F
3 PM
⛅
83°F
1%
4 PM
☁️
83°F
1%
7-day forecast
Today
Jul 29
☁️
82°F
68°F
6%
Thu
Jul 30
☁️
83°F
66°F
2%
Fri
Jul 31
☁️
87°F
66°F
Sat
Aug 1
🌦️
92°F
67°F
11%
Sun
Aug 2
🌦️
82°F
72°F
44%
Mon
Aug 3
🌧️
78°F
70°F
44%
Tue
Aug 4
☁️
79°F
64°F
22%
Weather near Potomac
4 mi
Great Falls, VA5 mi
Rockville, MD5 mi
North Bethesda, MD5 mi
North Potomac, MD6 mi
Bethesda, MD6 mi
McLean, VA7 mi
Tysons, VA7 mi
Wolf Trap, VA
Alerts are relayed from the National Weather Service and may lag
the official source. In a life-threatening situation always follow
weather.gov and local emergency
broadcasts.