HERNDON, VA 20171 Weather Forecast & Current Conditions

Enter ZIP code or City, State   
    


WASH-DULLES, VA
Current Weather

4:52 PM EDT AUG 3, 2025
Broken Clouds
81°F
Feels Like: 80°F
Dewpoint: 52°F
Rel. Hum.: 37%
Visibility: 10 miles
Wind: NNE at 6 mph
Pressure: 30.12 inches
Last 72 hours

Local Area Snow Depth

Virginia Current Weather

Virginia MOS Forecast Weather


Regional Weather Maps


(Automated weather data from NWS/FAA)
10-Day model forecast maps
2025 Hurricanes

HERNDON, VA 20171
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
REST OF THIS AFTERNOON
Mostly sunny. Highs in the lower 80s. Northeast winds around 5 mph.
TONIGHT
Partly cloudy in the evening, then clearing. Lows in the lower 60s. East winds around 5 mph in the evening, becoming light and variable.
MONDAY
Sunny. Highs in the mid 80s. North winds around 5 mph, becoming northeast around 5 mph in the afternoon.
MONDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 60s. Southeast winds around 5 mph in the evening, becoming light and variable.
TUESDAY
Partly sunny. Highs in the mid 80s. North winds around 5 mph, becoming east around 5 mph in the afternoon.
TUESDAY NIGHT
Mostly cloudy. Lows in the upper 60s.
WEDNESDAY
Partly sunny with a 30 percent chance of showers. Highs in the lower 80s.
WEDNESDAY NIGHT
Mostly cloudy with a 30 percent chance of showers. Lows in the upper 60s.
THURSDAY
Partly sunny with a chance of showers. Highs in the lower 80s. Chance of rain 40 percent.
THURSDAY NIGHT
Mostly cloudy with a chance of showers. Lows in the mid 60s. Chance of rain 40 percent.
FRIDAY
Mostly sunny. Highs in the lower 80s.
FRIDAY NIGHT
Mostly cloudy. Lows in the upper 60s.
SATURDAY
Partly sunny. Highs in the lower 80s.

Visible Weather Satellite
HERNDON, VA 20171
Infrared Weather Satellite
HERNDON, VA 20171
NEXRAD Weather Radar
HERNDON, VA 20171

WASH-DULLES, VA 3 hourly weather forecast

weather forecast created  7:00 AM CDT  8/ 3/2025
Sunday
3 AUG 2025
HERNDON, VA 20171 weather forecast Day 1, 12 hours 2 PM 80° 80° Partly Cloudy 3%

0% Thunder
( 2% severe)
NE   6 42% 55°
High 81° HERNDON, VA 20171 weather forecast Day 1, 15 hours 5 PM 79° 80° Partly Cloudy NE   6 44% 55°
Partly Cloudy



HERNDON, VA 20171 weather forecast Day 1, 18 hours 8 PM 74° 74° Partly Cloudy 2%

0% Thunder
( 2% severe)
E   5 55% 57°
HERNDON, VA 20171 weather forecast Day 1, 21 hours 11 PM 68° 68° Partly Cloudy SW   1 70% 58°
Monday
4 AUG 2025
HERNDON, VA 20171 weather forecast Day 2, 0 hours 2 AM 63° 64° Clear 1%

0% Thunder
( 0% severe)
  CALM 84% 58°
Low 59° HERNDON, VA 20171 weather forecast Day 2, 3 hours 5 AM 60° 61° Clear NNW   1 90% 57°
High 85° HERNDON, VA 20171 weather forecast Day 2, 6 hours 8 AM 66° 66° Clear 0%

0% Thunder
( 0% severe)
NNW   3 78% 59°

Partly Cloudy



HERNDON, VA 20171 weather forecast Day 2, 9 hours 11 AM 78° 79° Clear N   5 52% 59°
HERNDON, VA 20171 weather forecast Day 2, 12 hours 2 PM 83° 82° Partly Cloudy 2%

0% Thunder
( 3% severe)
NE   5 41% 57°
HERNDON, VA 20171 weather forecast Day 2, 15 hours 5 PM 83° 82° Partly Cloudy NE   5 41% 57°
HERNDON, VA 20171 weather forecast Day 2, 18 hours 8 PM 77° 79° Partly Cloudy 1%

0% Thunder
( 2% severe)
SE   5 52% 58°
HERNDON, VA 20171 weather forecast Day 2, 21 hours 11 PM 71° 71° Partly Cloudy S   1 66% 59°
Tuesday
5 AUG 2025
HERNDON, VA 20171 weather forecast Day 3, 0 hours 2 AM 66° 66° Partly Cloudy 0%

0% Thunder
( 0% severe)
W   1 81% 60°
Low 62° HERNDON, VA 20171 weather forecast Day 3, 3 hours 5 AM 64° 66° Mostly Cloudy NW   1 84% 59°
High 86° HERNDON, VA 20171 weather forecast Day 3, 6 hours 8 AM 68° 68° Mostly Cloudy 0%

0% Thunder
( 0% severe)
N   2 78% 61°

Mostly Cloudy



HERNDON, VA 20171 weather forecast Day 3, 9 hours 11 AM 80° 81° Mostly Cloudy NE   3 52% 61°
HERNDON, VA 20171 weather forecast Day 3, 15 hours 2 PM 84° 84° Mostly Cloudy 3%

0% Thunder
( 6% severe)
E   6 43% 59°
HERNDON, VA 20171 weather forecast Day 3, 18 hours 5 PM 82° 82° Mostly Cloudy ESE   7 46% 59°
HERNDON, VA 20171 weather forecast Day 3, 21 hours 8 PM 77° 79° Mostly Cloudy     SE   6 56% 60°

WASH-DULLES, VA extended weather forecast

Wednesday
6 AUG 2025
Thursday
7 AUG 2025
Friday
8 AUG 2025
Saturday
9 AUG 2025
Sunday
10 AUG 2025
Low 63° Low 65° Low 62° Low 66° Low 71°
High 83° High 81° High 83° High 84° High 89°
HERNDON, VA 20171 weather forecast Day 4 HERNDON, VA 20171 weather forecast Day 5 HERNDON, VA 20171 weather forecast Day 6 HERNDON, VA 20171 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Partly Cloudy
9% Rain
Mostly Cloudy
17% Rain
Partly Cloudy
25% Rain
Overcast
38% Rain
Overcast
49% Rain
WEATHER SELECT BOX EXAMPLES:
for LOCAL WEATHER:
SNOW DEPTH:
LOCAL WEATHER RADAR:
STATE WEATHER MAP:
Herndon, VA
Herndon, VA snow
Herndon, VA radar
VA map
-or-
-or-
-or-
 
20171
20171 snow
20171 radar
 
-or-
-or-
 
 
VA
VA snow
 
 
Copyright © 2024 WeatherStreet.com
Put our free WeatherStreet weather lookup on your web page.
Terms & Conditions