POTOMAC, MD 20854 Weather Forecast & Current Conditions

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WASH-DULLES, VA
Current Weather

7:52 AM EDT MAY 15, 2025
Overcast
Mist
64°F
Feels Like: 64°F
Dewpoint: 64°F
Rel. Hum.: 100%
Visibility: 4 miles
Wind: Calm
Pressure: 29.88 inches
Last 72 hours

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POTOMAC, MD 20854
Weather Forecast

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Snow Depth pages
TODAY
Cloudy this morning, then becoming partly sunny. Patchy fog this morning. Scattered showers. Isolated thunderstorms this afternoon. Highs in the upper 70s. Southwest winds around 5 mph. Chance of rain 50 percent.
TONIGHT
Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Patchy fog after midnight. Lows in the mid 60s. South winds around 5 mph in the evening, becoming light and variable. Chance of rain 40 percent.
FRIDAY
Mostly cloudy in the morning, then becoming partly sunny. Patchy fog in the morning. A chance of thunderstorms. Showers likely, mainly in the morning. Highs in the mid 80s. Southwest winds 5 to 10 mph. Chance of rain 60 percent.
FRIDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. Southwest winds around 5 mph. Chance of rain 50 percent.
SATURDAY
A chance of thunderstorms in the morning. Mostly sunny with a chance of showers. Highs in the mid 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.
SATURDAY NIGHT
Partly cloudy. Lows in the lower 60s.
SUNDAY
Mostly sunny. Highs in the mid 70s.
SUNDAY NIGHT
Mostly clear. Lows in the mid 50s.
MONDAY
Sunny. Highs in the mid 70s.
MONDAY NIGHT
Mostly clear. Lows around 50.
TUESDAY
Sunny. Highs in the lower 70s.
TUESDAY NIGHT
Partly cloudy. Lows in the lower 50s.
WEDNESDAY
Partly sunny with a 50 percent chance of showers. Highs in the lower 70s.

Visible Weather Satellite
POTOMAC, MD 20854
Infrared Weather Satellite
POTOMAC, MD 20854
NEXRAD Weather Radar
POTOMAC, MD 20854

WASH-DULLES, VA 3 hourly weather forecast

weather forecast created  7:00 PM CDT  5/14/2025
Thursday
15 MAY 2025
POTOMAC, MD 20854 weather forecast Day 1, 0 hours 2 AM 64° 66° Mostly Cloudy 38%
RAIN
***
0% Thunder
( 9% severe)
ENE   2 93% 62°
Low 63° POTOMAC, MD 20854 weather forecast Day 1, 3 hours 5 AM 64° 66° Mostly Cloudy NE   1 93% 62°
High 80° POTOMAC, MD 20854 weather forecast Day 1, 6 hours 8 AM 65° 65° Mostly Cloudy 20%
RAIN
.01–.1 in
0% Thunder
( 9% severe)
W   1 93% 63°

Mostly Cloudy

Chance of Rain

POTOMAC, MD 20854 weather forecast Day 1, 9 hours 11 AM 71° 71° Mostly Cloudy WSW   2 76% 63°
POTOMAC, MD 20854 weather forecast Day 1, 12 hours 2 PM 76° 78° Partly Cloudy 21%
RAIN
<.01 in
0% Thunder
( 22% severe)
SSW   3 66% 64°
POTOMAC, MD 20854 weather forecast Day 1, 15 hours 5 PM 79° 81° Partly Cloudy S   3 58% 63°
POTOMAC, MD 20854 weather forecast Day 1, 18 hours 8 PM 75° 75° Partly Cloudy 15%
RAIN
<.01 in
0% Thunder
( 21% severe)
SE   2 71% 65°
POTOMAC, MD 20854 weather forecast Day 1, 21 hours 11 PM 70° 70° Partly Cloudy SSE   2 81% 64°
Friday
16 MAY 2025
POTOMAC, MD 20854 weather forecast Day 2, 0 hours 2 AM 68° 68° Partly Cloudy 30%
RAIN
***
0% Thunder
( 18% severe)
S   2 87% 64°
Low 65° POTOMAC, MD 20854 weather forecast Day 2, 3 hours 5 AM 67° 67° Mostly Cloudy S   2 90% 64°
High 88° POTOMAC, MD 20854 weather forecast Day 2, 6 hours 8 AM 69° 69° Mostly Cloudy 27%
RAIN
.01–.1 in
0% Thunder
( 21% severe)
S   2 90% 66°

Mostly Cloudy

Chance of Rain

POTOMAC, MD 20854 weather forecast Day 2, 9 hours 11 AM 78° 80° Mostly Cloudy SSW   6 71% 68°
POTOMAC, MD 20854 weather forecast Day 2, 12 hours 2 PM 84° 87° Mostly Cloudy 35%
RAIN
.25–.5 in
0% Thunder
( 32% severe)
WSW   8 59% 68°
POTOMAC, MD 20854 weather forecast Day 2, 15 hours 5 PM 86° 89° Partly Cloudy WSW   8 55% 68°
POTOMAC, MD 20854 weather forecast Day 2, 18 hours 8 PM 79° 81° Mostly Cloudy 31%
RAIN
.1–.25 in
0% Thunder
( 16% severe)
SSW   6 69% 68°
POTOMAC, MD 20854 weather forecast Day 2, 21 hours 11 PM 74° 74° Mostly Cloudy SW   3 76% 66°

WASH-DULLES, VA extended weather forecast

BAD DAY
BAD DATE
BAD DAY
BAD DATE
BAD DAY
BAD DATE
BAD DAY
BAD DATE
BAD DAY
BAD DATE
Low 65° Low 63° Low 59° Low 48° Low 42°
High 88° High 82° High 72° High 70° High 67°
POTOMAC, MD 20854 weather forecast Day 3 POTOMAC, MD 20854 weather forecast Day 4 POTOMAC, MD 20854 weather forecast Day 5 POTOMAC, MD 20854 weather forecast Day 6 POTOMAC, MD 20854 weather forecast Day 7
Overcast
53% Rain
Overcast
45% Rain
Partly Cloudy
17% Rain
Clear
11% Rain
Clear
4% Rain
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