GREAT FALLS, VA 22066 Weather Forecast & Current Conditions

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WASH-DULLES, VA
Current Weather

12:52 AM EST DEC 14, 2025
Overcast
36°F
Feels Like: 30°F
Dewpoint: 32°F
Rel. Hum.: 85%
Visibility: 10 miles
Wind: NE at 7 mph
Pressure: 29.97 inches
Last 72 hours

Local Area Snow Depth

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GREAT FALLS, VA 22066
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
OVERNIGHT
Snow with a chance of rain. Snow may be heavy at times. Snow accumulation of 1 to 3 inches. Lows in the mid 20s. North winds 5 to 10 mph with gusts up to 20 mph. Chance of precipitation near 100 percent.
SUNDAY
Mostly sunny. A chance of snow in the morning. Additional snow accumulation up to 1 inch possible. Highs around 30. Northwest winds 15 to 20 mph with gusts up to 35 mph. Chance of snow 50 percent.
SUNDAY NIGHT
Mostly clear. Cold with lows around 16. Northwest winds 15 to 20 mph with gusts up to 30 mph.
MONDAY
Mostly sunny. Highs in the lower 30s. West winds 5 to 10 mph.
MONDAY NIGHT
Partly cloudy. Lows around 19. South winds around 5 mph, becoming west around 5 mph after midnight.
TUESDAY
Sunny. Highs in the upper 30s.
TUESDAY NIGHT
Partly cloudy. Lows in the mid 20s.
WEDNESDAY
Partly sunny. Highs in the upper 40s.
WEDNESDAY NIGHT
Partly cloudy. Lows around 30.
THURSDAY
Partly sunny. Highs in the lower 50s.
THURSDAY NIGHT
Rain likely. Lows in the upper 30s. Chance of rain 70 percent.
FRIDAY
Mostly sunny. Highs in the upper 40s. Temperature falling to around 40 in the afternoon.
FRIDAY NIGHT
Partly cloudy. Lows in the upper 20s.

Visible Weather Satellite
GREAT FALLS, VA 22066
Infrared Weather Satellite
GREAT FALLS, VA 22066
NEXRAD Weather Radar
GREAT FALLS, VA 22066

WASH-DULLES, VA 3 hourly weather forecast

weather forecast created  6:00 PM CST 12/13/2025
Sunday
14 DEC 2025
GREAT FALLS, VA 22066 weather forecast Day 1, 0 hours 1 AM 35° 31° Mostly Cloudy 94%
SNOW
***
0% Thunder
( 1% severe)
N   5 85% 31°
Low 25° GREAT FALLS, VA 22066 weather forecast Day 1, 3 hours 4 AM 32° 24° Overcast NNW   10 85% 28°
High 28° GREAT FALLS, VA 22066 weather forecast Day 1, 6 hours 7 AM 27° 16° Mostly Cloudy 10%
RAIN/SNOW
.05–.5 in
0% Thunder
( 0% severe)
NW   14 73% 20°

Partly Cloudy




Breezy
GREAT FALLS, VA 22066 weather forecast Day 1, 9 hours 10 AM 26° 13° Partly Cloudy NW   17 51% 12°
GREAT FALLS, VA 22066 weather forecast Day 1, 12 hours 1 PM 25° 11° Partly Cloudy 0%

0% Thunder
( 0% severe)
NW   20 39%
GREAT FALLS, VA 22066 weather forecast Day 1, 15 hours 4 PM 22° Partly Cloudy NW   21 36%
GREAT FALLS, VA 22066 weather forecast Day 1, 18 hours 7 PM 20° Clear 0%

0% Thunder
( 0% severe)
WNW   16 40%
GREAT FALLS, VA 22066 weather forecast Day 1, 21 hours 10 PM 19° Partly Cloudy NW   16 49%
Monday
15 DEC 2025
GREAT FALLS, VA 22066 weather forecast Day 2, 0 hours 1 AM 19° Partly Cloudy 0%

0% Thunder
( 0% severe)
NW   14 49%
Low 15° GREAT FALLS, VA 22066 weather forecast Day 2, 3 hours 4 AM 19° Clear WNW   13 55%
High 31° GREAT FALLS, VA 22066 weather forecast Day 2, 6 hours 7 AM 18° Clear 2%

0% Thunder
( 0% severe)
W   12 60%

Increasing Clouds



GREAT FALLS, VA 22066 weather forecast Day 2, 9 hours 10 AM 24° 13° Partly Cloudy WNW   12 48%
GREAT FALLS, VA 22066 weather forecast Day 2, 12 hours 1 PM 29° 20° Mostly Cloudy 3%

0% Thunder
( 1% severe)
W   10 37%
GREAT FALLS, VA 22066 weather forecast Day 2, 15 hours 4 PM 30° 23° Mostly Cloudy SW   7 35%
GREAT FALLS, VA 22066 weather forecast Day 2, 18 hours 7 PM 26° 19° Mostly Cloudy 1%

0% Thunder
( 0% severe)
S   6 44%
GREAT FALLS, VA 22066 weather forecast Day 2, 21 hours 10 PM 24° 18° Partly Cloudy SSW   5 46%

WASH-DULLES, VA extended weather forecast

Tuesday
16 DEC 2025
Wednesday
17 DEC 2025
Thursday
18 DEC 2025
Friday
19 DEC 2025
Saturday
20 DEC 2025
Low 13° Low 19° Low 31° Low 37° Low 24°
High 36° High 50° High 46° High 42° High 44°
GREAT FALLS, VA 22066 weather forecast Day 3 GREAT FALLS, VA 22066 weather forecast Day 4 GREAT FALLS, VA 22066 weather forecast Day 5 GREAT FALLS, VA 22066 weather forecast Day 6 GREAT FALLS, VA 22066 weather forecast Day 7
Clear
10% Snow
Partly Cloudy
13% Rain/Ice
Mostly Cloudy
20% Rain
Mostly Cloudy
75% Rain/Snow
Partly Cloudy
13% Snow/Ice
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