Dumfries, VA Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Dumfries, VA.

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Current Conditions — Dumfries, VA

WASH DC/DULLES (KIAD)

Clear

44.6 F
Humidity:93%
Wind Speed: 0.0 mph
Barometer:30.20 in
Dewpoint:42.8 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 27 2026, 01:25 AM EDT
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5-Day Forecast — Dumfries, VA

Monday

High 71 °F
Mostly Sunny
Monday
Night
Low 46 °F
Partly Cloudy
Tuesday

High 69 °F
Chance of Rain Showers
Tuesday
Night
Low 51 °F
Chance of Rain
Wednesday

High 73 °F
T-storms
Wednesday
Night
Low 50 °F
T-storms
Thursday

High 66 °F
Showers Likely
Thursday
Night
Low 44 °F
Mostly Clear
Friday

High 68 °F
Slight Chance of Showers

Detailed Forecast — Dumfries, VA

Monday
Mostly Sunny. High near 71°F. Wind 3 to 7 mph, with gusts as high as 14 mph.
Monday Night
Partly Cloudy. Low around 46°F. Wind 2 to 6 mph, with gusts as high as 10 mph.
Tuesday
Chance of Rain Showers. High near 69°F. Wind 2 to 8 mph, with gusts as high as 14 mph.
Tuesday Night
Chance of Rain. Low around 51°F. Wind 3 to 5 mph, with gusts as high as 9 mph.
Wednesday
Thunderstorms. High near 73°F. Wind 5 to 10 mph, with gusts as high as 16 mph.
Wednesday Night
Thunderstorms. Low around 50°F. Wind around 9 mph, with gusts as high as 16 mph.
Thursday
Showers Likely. High near 66°F. Wind around 16 mph, with gusts as high as 25 mph.
Thursday Night
Mostly Clear. Low around 44°F. Wind 8 to 12 mph, with gusts as high as 17 mph.
Friday
Slight Chance of Showers. High near 68°F. Wind 9 to 15 mph, with gusts as high as 21 mph.
Friday Night
Chance of Rain. Low around 44°F. Wind 6 to 7 mph, with gusts as high as 10 mph.
Saturday
Chance of Showers. High near 64°F. Wind 8 to 13 mph, with gusts as high as 18 mph.
Saturday Night
Mostly Clear. Low around 44°F. Wind 5 to 6 mph, with gusts as high as 9 mph.
Sunday
Mostly Sunny. High near 68°F. Wind 7 to 9 mph, with gusts as high as 15 mph.
VA Radar
Current Radar • VA
Day 1 Outlook • April 27, 2026

Observation History — Dumfries, VA

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
01:25 AM EDT 0.0 10.00 Clear -- 44.6 42.8 93% NA NA 30.20 1022.7
01:20 AM EDT 0.0 10.00 Clear -- 44.6 42.8 93% NA NA 30.20 1022.7
01:10 AM EDT 0.0 10.00 Clear -- 44.6 44.6 100% NA NA 30.19 1022.4
01:00 AM EDT 0.0 10.00 Clear -- 44.6 42.8 93% NA NA 30.19 1022.4
12:50 AM EDT 0.0 10.00 Clear -- 44.6 42.8 93% NA NA 30.19 1022.4
12:45 AM EDT 0.0 10.00 Clear -- 44.6 42.8 93% NA NA 30.19 1022.4
12:35 AM EDT 0.0 10.00 Clear -- 46.4 44.6 93% NA NA 30.20 1022.7
12:30 AM EDT 0.0 10.00 Clear -- 46.4 44.6 93% NA NA 30.19 1022.4
12:20 AM EDT 0.0 10.00 Clear -- 48.2 44.6 87% NA NA 30.19 1022.4
12:15 AM EDT 0.0 10.00 Clear -- 48.2 44.6 87% NA NA 30.19 1022.4
12:00 AM EDT SW 3.4 10.00 Clear -- 48.2 44.6 87% 47.3 NA 30.19 1022.4
11:50 PM EDT 0.0 10.00 Clear -- 50.0 44.6 82% NA NA 30.19 1022.4
11:45 PM EDT 0.0 10.00 Clear -- 51.8 44.6 76% NA NA 30.19 1022.4
11:35 PM EDT 0.0 10.00 Mostly Clear -- 51.8 44.6 76% NA NA 30.19 1022.4
11:30 PM EDT 0.0 10.00 Partly Cloudy -- 51.8 44.6 76% NA NA 30.20 1022.7
11:20 PM EDT 0.0 10.00 Mostly Cloudy -- 53.6 44.6 71% NA NA 30.20 1022.7
11:15 PM EDT 3.4 10.00 Cloudy -- 53.6 44.6 71% NA NA 30.20 1022.7
11:05 PM EDT 4.6 10.00 Cloudy -- 53.6 44.6 71% NA NA 30.20 1022.7
11:00 PM EDT SE 3.4 10.00 Cloudy -- 53.6 44.6 71% NA NA 30.20 1022.7
10:50 PM EDT S 4.6 10.00 Cloudy -- 53.6 44.6 71% NA NA 30.20 1022.7
10:40 PM EDT 3.4 10.00 Cloudy -- 53.6 44.6 71% NA NA 30.19 1022.4
10:35 PM EDT 4.6 10.00 Cloudy -- 53.6 44.6 71% NA NA 30.19 1022.4
10:30 PM EDT E 5.7 10.00 Cloudy -- 53.6 44.6 71% NA NA 30.20 1022.7
10:25 PM EDT 5.7 10.00 Cloudy -- 55.4 44.6 67% NA NA 30.19 1022.4

Regional Weather Observation

WASH DC/DULLES (KIAD)

Clear
44.6 F

MANASSAS MUNI (KHEF)

Clear
42.8 F

FORT BELVOIR/DAV (KDAA)

Clear
43.5 F

WARRENTON (KHWY)

Clear
42.8 F

WASHINGTON/NATL (KDCA)

Clear
50.0 F

CULPEPER (KCJR)

Clear
45.7 F
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