HERNDON, VA 20171 Weather Forecast & Current Conditions

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20171 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
WASH-DULLES, VA Current Weather
1:52 PM EDT APR 4, 2026
Scattered Clouds 84°F
Feels Like:	84°F
Dewpoint:	59°F
Rel. Hum.:	43%
Visibility:	10 miles
Wind:	Variable at 6 mph
Pressure:	30.08 inches
Last 72 hours
Local Area Snow Depth
Virginia Current Weather
Virginia MOS Forecast Weather

Regional Weather Maps

(Automated weather data from NWS/FAA)

20171 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	HERNDON, VA 20171 Weather Forecast	Snowfall Forecast pages Snow Depth pages

THIS AFTERNOON
Mostly sunny. Hot with highs in the upper 80s. South winds around 10 mph with gusts up to 20 mph.

TONIGHT
Partly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the lower 60s. South winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 30 percent.

SUNDAY
Showers with a slight chance of thunderstorms. Highs in the lower 70s. Southwest winds 10 to 15 mph, becoming west in the afternoon. Gusts up to 30 mph. Chance of rain near 100 percent.

SUNDAY NIGHT
Partly cloudy in the evening, then clearing. Cooler with lows in the lower 40s. Northwest winds 5 to 10 mph with gusts up to 20 mph.

MONDAY
Sunny. Highs in the lower 60s. Northwest winds 5 to 10 mph with gusts up to 20 mph.

MONDAY NIGHT
Mostly clear. Lows in the lower 40s.

TUESDAY
Sunny. Highs in the lower 50s.

TUESDAY NIGHT
Clear. Lows in the lower 30s.

WEDNESDAY
Sunny. Highs in the mid 50s.

WEDNESDAY NIGHT
Mostly clear. Lows in the upper 30s.

THURSDAY
Mostly sunny. Highs in the upper 60s.

THURSDAY NIGHT
Partly cloudy. Lows in the upper 40s.

FRIDAY
Sunny. Highs in the lower 70s.

20171 WEATHER SATELLITE LOOPS

Visible Weather Satellite
HERNDON, VA 20171

Infrared Weather Satellite
HERNDON, VA 20171

20171 WEATHER RADAR LOOP

NEXRAD Weather Radar
HERNDON, VA 20171

MOS COMPUTER WEATHER FORECAST

WASH-DULLES, VA 3 hourly weather forecast

weather forecast created 6:00 AM CST 4/ 4/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Saturday
4 APR 2026

1 PM

83°

83°

Clear

13%
RAIN
<.01 in

0% Thunder
( 14% severe)

S 10

44%

59°

High 85°

4 PM

84°

83°

Partly Cloudy

S 13

38%

56°

Partly Cloudy

7 PM

78°

79°

Partly Cloudy

15%
RAIN
<.01 in

0% Thunder
( 4% severe)

S 12

47%

56°

10 PM

74°

74°

Partly Cloudy

S 13

55%

57°

Sunday
5 APR 2026

1 AM

71°

71°

Partly Cloudy

31%
RAIN
<.01 in

0% Thunder
( 3% severe)

S 15

63%

58°

Low 61°

4 AM

70°

70°

Mostly Cloudy

SSW 15

68%

59°

High 72°

7 AM

69°

69°

Mostly Cloudy

95%
RAIN
***

0% Thunder
( 13% severe)

SSW 15

70%

59°

Mostly Cloudy

Rain

10 AM

64°

63°

Overcast

W 12

78%

57°

1 PM

63°

62°

Mostly Cloudy

40%
RAIN
.01–.1 in

0% Thunder
( 3% severe)

WNW 10

70%

53°

4 PM

64°

63°

Mostly Cloudy

WNW 13

50%

45°

7 PM

58°

55°

Partly Cloudy

5%

0% Thunder
( 0% severe)

NW 13

49%

39°

10 PM

51°

47°

Partly Cloudy

NW 12

54%

35°

Monday
6 APR 2026

1 AM

47°

42°

Partly Cloudy

1%

0% Thunder
( 0% severe)

NW 10

58%

33°

Low 41°

4 AM

44°

39°

Partly Cloudy

NW 9

60%

31°

High 63°

7 AM

44°

39°

Clear

1%

0% Thunder
( 0% severe)

WNW 8

57%

30°

Partly Cloudy

10 AM

52°

48°

Partly Cloudy

WNW 10

43%

30°

1 PM

58°

56°

Partly Cloudy

4%

0% Thunder
( 2% severe)

W 12

34%

30°

4 PM

61°

59°

Partly Cloudy

W 12

31%

30°

7 PM

55°

53°

Partly Cloudy

WNW 7

40%

31°


WASH-DULLES, VA extended weather forecast
Tuesday 7 APR 2026	Wednesday 8 APR 2026	Thursday 9 APR 2026	Friday 10 APR 2026	Saturday 11 APR 2026
Low 40°	Low 26°	Low 34°	Low 47°	Low 49°
High 54°	High 52°	High 63°	High 72°	High 69°

Clear 8% Rain/Snow	Clear 8% Rain/Snow	Partly Cloudy 24% Rain	Partly Cloudy 24% Rain	Mostly Cloudy 40% Rain

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