Hourly Weather Forecast for Herndon, Virginia 20170, United States - The Weather Channel | Weather.com
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Hourly Weather- Herndon, Virginia, United States

As of 01:02 EST
alertLevel2

Gale Warning

+2 More

Snow

Snow likely around 2:15 am.

Tuesday, 30 December

02:00

Snow Showers Snow Shower
-2°
Rain drop 48%
WNW 29 km/h
Subtract

Snow Shower

  • Temperature feels like
    Feels Like-8°
  • WindWNW 29 km/h
  • Visibility
    Visibility10 km
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover83%
  • Snowflake
    Snow Amount0 cm

03:00

Cloudy Cloudy
-2°
Rain drop 0%
WNW 28 km/h
Add

Cloudy

  • Temperature feels like
    Feels Like-9°
  • WindWNW 28 km/h
  • Humidity
    Humidity47%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover83%
  • Mixed precipitation
    Precip Amount0 mm

04:00

Partly Cloudy Night Partly Cloudy
-2°
Rain drop 0%
WNW 26 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like-8°
  • WindWNW 26 km/h
  • Humidity
    Humidity48%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover59%
  • Mixed precipitation
    Precip Amount0 mm

05:00

Partly Cloudy Night Partly Cloudy
-2°
Rain drop 0%
WNW 25 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like-9°
  • WindWNW 25 km/h
  • Humidity
    Humidity48%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover46%
  • Mixed precipitation
    Precip Amount0 mm

06:00

Partly Cloudy Night Partly Cloudy
-2°
Rain drop 0%
WNW 24 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like-9°
  • WindWNW 24 km/h
  • Humidity
    Humidity49%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover49%
  • Mixed precipitation
    Precip Amount0 mm

07:00

Partly Cloudy Night Partly Cloudy
-2°
Rain drop 0%
WNW 24 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like-8°
  • WindWNW 24 km/h
  • Humidity
    Humidity47%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover40%
  • Mixed precipitation
    Precip Amount0 mm
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08:00

Partly Cloudy Day Partly Cloudy
-2°
Rain drop 0%
WNW 21 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like-8°
  • WindWNW 21 km/h
  • Humidity
    Humidity47%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover37%
  • Mixed precipitation
    Precip Amount0 mm

09:00

Partly Cloudy Day Partly Cloudy
-1°
Rain drop 0%
WNW 26 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like-7°
  • WindWNW 26 km/h
  • Humidity
    Humidity45%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover39%
  • Mixed precipitation
    Precip Amount0 mm

10:00

Partly Cloudy Day Partly Cloudy
0°
Rain drop 0%
WNW 31 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like-7°
  • WindWNW 31 km/h
  • Humidity
    Humidity41%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover41%
  • Mixed precipitation
    Precip Amount0 mm

11:00

Windy Partly Cloudy / Wind
0°
Rain drop 0%
WNW 32 km/h
Add

Partly Cloudy / Wind

  • Temperature feels like
    Feels Like-7°
  • WindWNW 32 km/h
  • Humidity
    Humidity40%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover46%
  • Mixed precipitation
    Precip Amount0 mm

12:00

Partly Cloudy Day Partly Cloudy
0°
Rain drop 0%
WNW 30 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like-6°
  • WindWNW 30 km/h
  • Humidity
    Humidity39%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover39%
  • Mixed precipitation
    Precip Amount0 mm

13:00

Mostly Clear Day Mostly Sunny
1°
Rain drop 0%
WNW 30 km/h
Add

Mostly Sunny

  • Temperature feels like
    Feels Like-6°
  • WindWNW 30 km/h
  • Humidity
    Humidity38%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover26%
  • Mixed precipitation
    Precip Amount0 mm

14:00

Mostly Clear Day Mostly Sunny
1°
Rain drop 0%
WNW 30 km/h
Add

Mostly Sunny

  • Temperature feels like
    Feels Like-6°
  • WindWNW 30 km/h
  • Humidity
    Humidity36%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover27%
  • Mixed precipitation
    Precip Amount0 mm

15:00

Mostly Clear Day Mostly Sunny
1°
Rain drop 0%
WNW 29 km/h
Add

Mostly Sunny

  • Temperature feels like
    Feels Like-6°
  • WindWNW 29 km/h
  • Humidity
    Humidity34%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover22%
  • Mixed precipitation
    Precip Amount0 mm

16:00

Sunny Sunny
0°
Rain drop 0%
WNW 27 km/h
Add

Sunny

  • Temperature feels like
    Feels Like-6°
  • WindWNW 27 km/h
  • Humidity
    Humidity34%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover18%
  • Mixed precipitation
    Precip Amount0 mm

17:00

Mostly Clear Night Mostly Clear
-1°
Rain drop 0%
WNW 22 km/h
Add

Mostly Clear

  • Temperature feels like
    Feels Like-7°
  • WindWNW 22 km/h
  • Humidity
    Humidity37%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover23%
  • Mixed precipitation
    Precip Amount0 mm

18:00

Clear Night Clear
-1°
Rain drop 0%
WNW 21 km/h
Add

Clear

  • Temperature feels like
    Feels Like-7°
  • WindWNW 21 km/h
  • Humidity
    Humidity39%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover18%
  • Mixed precipitation
    Precip Amount0 mm

19:00

Clear Night Clear
-2°
Rain drop 0%
WNW 20 km/h
Add

Clear

  • Temperature feels like
    Feels Like-8°
  • WindWNW 20 km/h
  • Humidity
    Humidity40%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover18%
  • Mixed precipitation
    Precip Amount0 mm
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20:00

Partly Cloudy Night Partly Cloudy
-2°
Rain drop 0%
WNW 16 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like-8°
  • WindWNW 16 km/h
  • Humidity
    Humidity42%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover30%
  • Mixed precipitation
    Precip Amount0 mm

21:00

Mostly Cloudy Night Mostly Cloudy
-3°
Rain drop 0%
WNW 15 km/h
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like-8°
  • WindWNW 15 km/h
  • Humidity
    Humidity43%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover72%
  • Mixed precipitation
    Precip Amount0 mm

22:00

Cloudy Cloudy
-3°
Rain drop 0%
W 13 km/h
Add

Cloudy

  • Temperature feels like
    Feels Like-7°
  • WindW 13 km/h
  • Humidity
    Humidity44%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover85%
  • Mixed precipitation
    Precip Amount0 mm

23:00

Mostly Cloudy Night Mostly Cloudy
-3°
Rain drop 0%
W 13 km/h
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like-8°
  • WindW 13 km/h
  • Humidity
    Humidity44%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover75%
  • Mixed precipitation
    Precip Amount0 mm

Wednesday, 31 December

00:00

Mostly Cloudy Night Mostly Cloudy
-3°
Rain drop 0%
W 11 km/h
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like-7°
  • WindW 11 km/h
  • Humidity
    Humidity46%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover79%
  • Mixed precipitation
    Precip Amount0 mm

01:00

Cloudy Cloudy
-3°
Rain drop 0%
W 12 km/h
Add

Cloudy

  • Temperature feels like
    Feels Like-8°
  • WindW 12 km/h
  • Humidity
    Humidity47%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover87%
  • Mixed precipitation
    Precip Amount0 mm

02:00

Cloudy Cloudy
-3°
Rain drop 0%
W 10 km/h
Add

Cloudy

  • Temperature feels like
    Feels Like-7°
  • WindW 10 km/h
  • Humidity
    Humidity48%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover86%
  • Mixed precipitation
    Precip Amount0 mm

03:00

Cloudy Cloudy
-3°
Rain drop 0%
W 9 km/h
Add

Cloudy

  • Temperature feels like
    Feels Like-7°
  • WindW 9 km/h
  • Humidity
    Humidity50%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover82%
  • Mixed precipitation
    Precip Amount0 mm

04:00

Cloudy Cloudy
-3°
Rain drop 0%
WSW 8 km/h
Add

Cloudy

  • Temperature feels like
    Feels Like-7°
  • WindWSW 8 km/h
  • Humidity
    Humidity51%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover89%
  • Mixed precipitation
    Precip Amount0 mm

05:00

Cloudy Cloudy
-3°
Rain drop 0%
WSW 9 km/h
Add

Cloudy

  • Temperature feels like
    Feels Like-7°
  • WindWSW 9 km/h
  • Humidity
    Humidity52%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover83%
  • Mixed precipitation
    Precip Amount0 mm

06:00

Cloudy Cloudy
-3°
Rain drop 0%
SW 7 km/h
Add

Cloudy

  • Temperature feels like
    Feels Like-6°
  • WindSW 7 km/h
  • Humidity
    Humidity54%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover88%
  • Mixed precipitation
    Precip Amount0 mm

07:00

Mostly Cloudy Night Mostly Cloudy
-3°
Rain drop 0%
SW 8 km/h
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like-7°
  • WindSW 8 km/h
  • Humidity
    Humidity55%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover79%
  • Mixed precipitation
    Precip Amount0 mm
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08:00

Mostly Cloudy Day Mostly Cloudy
-3°
Rain drop 0%
SW 7 km/h
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like-6°
  • WindSW 7 km/h
  • Humidity
    Humidity55%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover76%
  • Mixed precipitation
    Precip Amount0 mm

09:00

Mostly Cloudy Day Mostly Cloudy
-2°
Rain drop 0%
SSW 9 km/h
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like-5°
  • WindSSW 9 km/h
  • Humidity
    Humidity52%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover75%
  • Mixed precipitation
    Precip Amount0 mm

10:00

Mostly Cloudy Day Mostly Cloudy
0°
Rain drop 0%
SW 12 km/h
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like-4°
  • WindSW 12 km/h
  • Humidity
    Humidity46%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover62%
  • Mixed precipitation
    Precip Amount0 mm

11:00

Partly Cloudy Day Partly Cloudy
1°
Rain drop 0%
WSW 14 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like-3°
  • WindWSW 14 km/h
  • Humidity
    Humidity44%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover49%
  • Mixed precipitation
    Precip Amount0 mm

12:00

Partly Cloudy Day Partly Cloudy
2°
Rain drop 0%
WSW 15 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like-3°
  • WindWSW 15 km/h
  • Humidity
    Humidity42%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover49%
  • Mixed precipitation
    Precip Amount0 mm

13:00

Partly Cloudy Day Partly Cloudy
2°
Rain drop 0%
W 15 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like-2°
  • WindW 15 km/h
  • Humidity
    Humidity42%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover49%
  • Mixed precipitation
    Precip Amount0 mm

14:00

Partly Cloudy Day Partly Cloudy
3°
Rain drop 0%
WSW 16 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like-1°
  • WindWSW 16 km/h
  • Humidity
    Humidity40%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover40%
  • Mixed precipitation
    Precip Amount0 mm

15:00

Partly Cloudy Day Partly Cloudy
3°
Rain drop 0%
WSW 16 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like-1°
  • WindWSW 16 km/h
  • Humidity
    Humidity39%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover39%
  • Mixed precipitation
    Precip Amount0 mm

16:00

Partly Cloudy Day Partly Cloudy
3°
Rain drop 0%
WSW 14 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like0°
  • WindWSW 14 km/h
  • Humidity
    Humidity39%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover39%
  • Mixed precipitation
    Precip Amount0 mm

17:00

Partly Cloudy Night Partly Cloudy
2°
Rain drop 0%
SW 10 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like-1°
  • WindSW 10 km/h
  • Humidity
    Humidity46%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover37%
  • Mixed precipitation
    Precip Amount0 mm

18:00

Partly Cloudy Night Partly Cloudy
1°
Rain drop 0%
SW 10 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like-2°
  • WindSW 10 km/h
  • Humidity
    Humidity50%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover35%
  • Mixed precipitation
    Precip Amount0 mm

19:00

Partly Cloudy Night Partly Cloudy
1°
Rain drop 0%
SW 11 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like-3°
  • WindSW 11 km/h
  • Humidity
    Humidity52%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover37%
  • Mixed precipitation
    Precip Amount0 mm
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20:00

Partly Cloudy Night Partly Cloudy
0°
Rain drop 1%
SW 8 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like-3°
  • WindSW 8 km/h
  • Humidity
    Humidity55%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover37%
  • Mixed precipitation
    Precip Amount0 mm

21:00

Partly Cloudy Night Partly Cloudy
0°
Rain drop 1%
WSW 9 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like-3°
  • WindWSW 9 km/h
  • Humidity
    Humidity57%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover44%
  • Mixed precipitation
    Precip Amount0 mm

22:00

Partly Cloudy Night Partly Cloudy
0°
Rain drop 1%
WSW 7 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like-3°
  • WindWSW 7 km/h
  • Humidity
    Humidity58%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover51%
  • Mixed precipitation
    Precip Amount0 mm

23:00

Partly Cloudy Night Partly Cloudy
0°
Rain drop 2%
WSW 10 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like-4°
  • WindWSW 10 km/h
  • Humidity
    Humidity60%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover58%
  • Mixed precipitation
    Precip Amount0 mm

Thursday, 1 January

00:00

Partly Cloudy Night Partly Cloudy
0°
Rain drop 2%
WSW 10 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like-4°
  • WindWSW 10 km/h
  • Humidity
    Humidity61%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover51%
  • Mixed precipitation
    Precip Amount0 mm

01:00

Partly Cloudy Night Partly Cloudy
0°
Rain drop 2%
SW 11 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like-4°
  • WindSW 11 km/h
  • Humidity
    Humidity62%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover32%
  • Mixed precipitation
    Precip Amount0 mm
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