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 21:30 EST

Monday, 15 December

22:00

Mostly Cloudy Night Mostly Cloudy
-5°
Rain drop 6%
S 8 km/h
Subtract

Mostly Cloudy

  • Temperature feels like
    Feels Like-9°
  • WindS 8 km/h
  • Visibility
    Visibility16 km
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover62%
  • Snowflake
    Snow Amount0 cm

23:00

Mostly Cloudy Night Mostly Cloudy
-5°
Rain drop 1%
S 8 km/h
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like-9°
  • WindS 8 km/h
  • Visibility
    Visibility16 km
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover60%
  • Snowflake
    Snow Amount0 cm

Tuesday, 16 December

00:00

Partly Cloudy Night Partly Cloudy
-6°
Rain drop 1%
SSW 6 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like-9°
  • WindSSW 6 km/h
  • Visibility
    Visibility16 km
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover59%
  • Snowflake
    Snow Amount0 cm

01:00

Partly Cloudy Night Partly Cloudy
-7°
Rain drop 1%
SSW 5 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like-9°
  • WindSSW 5 km/h
  • Visibility
    Visibility16 km
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover41%
  • Snowflake
    Snow Amount0 cm

02:00

Clear Night Clear
-7°
Rain drop 1%
SW 5 km/h
Add

Clear

  • Temperature feels like
    Feels Like-7°
  • WindSW 5 km/h
  • Visibility
    Visibility16 km
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover19%
  • Snowflake
    Snow Amount0 cm

03:00

Clear Night Clear
-8°
Rain drop 1%
WSW 3 km/h
Add

Clear

  • Temperature feels like
    Feels Like-8°
  • WindWSW 3 km/h
  • Visibility
    Visibility16 km
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover5%
  • Snowflake
    Snow Amount0 cm
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04:00

Clear Night Clear
-8°
Rain drop 1%
W 3 km/h
Add

Clear

  • Temperature feels like
    Feels Like-8°
  • WindW 3 km/h
  • Visibility
    Visibility16 km
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover5%
  • Snowflake
    Snow Amount0 cm

05:00

Clear Night Clear
-9°
Rain drop 3%
WNW 4 km/h
Add

Clear

  • Temperature feels like
    Feels Like-9°
  • WindWNW 4 km/h
  • Visibility
    Visibility16 km
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover3%
  • Snowflake
    Snow Amount0 cm

06:00

Clear Night Clear
-9°
Rain drop 4%
NW 3 km/h
Add

Clear

  • Temperature feels like
    Feels Like-9°
  • WindNW 3 km/h
  • Visibility
    Visibility16 km
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover3%
  • Snowflake
    Snow Amount0 cm

07:00

Clear Night Clear
-9°
Rain drop 4%
NNW 3 km/h
Add

Clear

  • Temperature feels like
    Feels Like-9°
  • WindNNW 3 km/h
  • Visibility
    Visibility16 km
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover3%
  • Snowflake
    Snow Amount0 cm

08:00

Sunny Sunny
-8°
Rain drop 3%
NW 3 km/h
Add

Sunny

  • Temperature feels like
    Feels Like-8°
  • WindNW 3 km/h
  • Visibility
    Visibility15 km
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover3%
  • Snowflake
    Snow Amount0 cm

09:00

Sunny Sunny
-5°
Rain drop 1%
NW 5 km/h
Add

Sunny

  • Temperature feels like
    Feels Like-8°
  • WindNW 5 km/h
  • Visibility
    Visibility15 km
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover2%
  • Snowflake
    Snow Amount0 cm

10:00

Sunny Sunny
-3°
Rain drop 0%
NNW 7 km/h
Add

Sunny

  • Temperature feels like
    Feels Like-6°
  • WindNNW 7 km/h
  • Humidity
    Humidity54%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover7%
  • Mixed precipitation
    Precip Amount0 mm

11:00

Sunny Sunny
-1°
Rain drop 0%
NNW 7 km/h
Add

Sunny

  • Temperature feels like
    Feels Like-3°
  • WindNNW 7 km/h
  • Humidity
    Humidity45%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover8%
  • Mixed precipitation
    Precip Amount0 mm

12:00

Sunny Sunny
2°
Rain drop 0%
WNW 6 km/h
Add

Sunny

  • Temperature feels like
    Feels Like0°
  • WindWNW 6 km/h
  • Humidity
    Humidity38%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover14%
  • Mixed precipitation
    Precip Amount0 mm

13:00

Mostly Clear Day Mostly Sunny
3°
Rain drop 0%
SW 6 km/h
Add

Mostly Sunny

  • Temperature feels like
    Feels Like1°
  • WindSW 6 km/h
  • Humidity
    Humidity36%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover27%
  • Mixed precipitation
    Precip Amount0 mm

14:00

Sunny Sunny
4°
Rain drop 0%
SSW 7 km/h
Add

Sunny

  • Temperature feels like
    Feels Like2°
  • WindSSW 7 km/h
  • Humidity
    Humidity36%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover16%
  • Mixed precipitation
    Precip Amount0 mm

15:00

Mostly Clear Day Mostly Sunny
4°
Rain drop 0%
S 8 km/h
Add

Mostly Sunny

  • Temperature feels like
    Feels Like2°
  • WindS 8 km/h
  • Humidity
    Humidity38%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover27%
  • Mixed precipitation
    Precip Amount0 mm
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16:00

Mostly Clear Day Mostly Sunny
3°
Rain drop 1%
S 7 km/h
Add

Mostly Sunny

  • Temperature feels like
    Feels Like1°
  • WindS 7 km/h
  • Humidity
    Humidity43%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover26%
  • Mixed precipitation
    Precip Amount0 mm

17:00

Partly Cloudy Night Partly Cloudy
1°
Rain drop 2%
SSE 7 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like-1°
  • WindSSE 7 km/h
  • Humidity
    Humidity46%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover38%
  • Mixed precipitation
    Precip Amount0 mm

18:00

Partly Cloudy Night Partly Cloudy
-1°
Rain drop 2%
SSE 8 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like-3°
  • WindSSE 8 km/h
  • Humidity
    Humidity49%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover44%
  • Mixed precipitation
    Precip Amount0 mm

19:00

Mostly Clear Night Mostly Clear
-2°
Rain drop 2%
SSE 7 km/h
Add

Mostly Clear

  • Temperature feels like
    Feels Like-4°
  • WindSSE 7 km/h
  • Humidity
    Humidity54%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover21%
  • Mixed precipitation
    Precip Amount0 mm

20:00

Clear Night Clear
-2°
Rain drop 2%
SSE 8 km/h
Add

Clear

  • Temperature feels like
    Feels Like-5°
  • WindSSE 8 km/h
  • Humidity
    Humidity58%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover17%
  • Mixed precipitation
    Precip Amount0 mm

21:00

Clear Night Clear
-3°
Rain drop 3%
SSE 7 km/h
Add

Clear

  • Temperature feels like
    Feels Like-6°
  • WindSSE 7 km/h
  • Humidity
    Humidity59%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover3%
  • Mixed precipitation
    Precip Amount0 mm

22:00

Clear Night Clear
-3°
Rain drop 3%
SSE 7 km/h
Add

Clear

  • Temperature feels like
    Feels Like-6°
  • WindSSE 7 km/h
  • Humidity
    Humidity61%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover7%
  • Mixed precipitation
    Precip Amount0 mm

23:00

Clear Night Clear
-3°
Rain drop 3%
S 6 km/h
Add

Clear

  • Temperature feels like
    Feels Like-5°
  • WindS 6 km/h
  • Humidity
    Humidity62%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover6%
  • Mixed precipitation
    Precip Amount0 mm

Wednesday, 17 December

00:00

Clear Night Clear
-3°
Rain drop 4%
S 6 km/h
Add

Clear

  • Temperature feels like
    Feels Like-6°
  • WindS 6 km/h
  • Humidity
    Humidity65%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover2%
  • Mixed precipitation
    Precip Amount0 mm

01:00

Clear Night Clear
-3°
Rain drop 4%
S 6 km/h
Add

Clear

  • Temperature feels like
    Feels Like-6°
  • WindS 6 km/h
  • Humidity
    Humidity68%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover3%
  • Mixed precipitation
    Precip Amount0 mm

02:00

Clear Night Clear
-3°
Rain drop 4%
S 6 km/h
Add

Clear

  • Temperature feels like
    Feels Like-6°
  • WindS 6 km/h
  • Humidity
    Humidity70%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover7%
  • Mixed precipitation
    Precip Amount0 mm

03:00

Clear Night Clear
-4°
Rain drop 4%
SSW 5 km/h
Add

Clear

  • Temperature feels like
    Feels Like-4°
  • WindSSW 5 km/h
  • Humidity
    Humidity72%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover8%
  • Mixed precipitation
    Precip Amount0 mm
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04:00

Clear Night Clear
-4°
Rain drop 4%
SSW 5 km/h
Add

Clear

  • Temperature feels like
    Feels Like-5°
  • WindSSW 5 km/h
  • Humidity
    Humidity72%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover16%
  • Mixed precipitation
    Precip Amount0 mm

05:00

Partly Cloudy Night Partly Cloudy
-3°
Rain drop 4%
SSW 6 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like-6°
  • WindSSW 6 km/h
  • Humidity
    Humidity69%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover34%
  • Mixed precipitation
    Precip Amount0 mm

06:00

Clear Night Clear
-3°
Rain drop 4%
SSW 6 km/h
Add

Clear

  • Temperature feels like
    Feels Like-5°
  • WindSSW 6 km/h
  • Humidity
    Humidity70%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover16%
  • Mixed precipitation
    Precip Amount0 mm

07:00

Partly Cloudy Night Partly Cloudy
-3°
Rain drop 4%
SSW 7 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like-5°
  • WindSSW 7 km/h
  • Humidity
    Humidity71%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover30%
  • Mixed precipitation
    Precip Amount0 mm

08:00

Partly Cloudy Day Partly Cloudy
-2°
Rain drop 4%
SSW 7 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like-4°
  • WindSSW 7 km/h
  • Humidity
    Humidity68%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover43%
  • Mixed precipitation
    Precip Amount0 mm

09:00

Partly Cloudy Day Partly Cloudy
0°
Rain drop 3%
SW 9 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like-3°
  • WindSW 9 km/h
  • Humidity
    Humidity64%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover55%
  • Mixed precipitation
    Precip Amount0 mm

10:00

Mostly Cloudy Day Mostly Cloudy
3°
Rain drop 2%
SW 10 km/h
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like0°
  • WindSW 10 km/h
  • Humidity
    Humidity59%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover64%
  • Mixed precipitation
    Precip Amount0 mm

11:00

Cloudy Cloudy
5°
Rain drop 2%
WSW 11 km/h
Add

Cloudy

  • Temperature feels like
    Feels Like3°
  • WindWSW 11 km/h
  • Humidity
    Humidity53%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover89%
  • Rain drop
    Rain Amount0 mm

12:00

Cloudy Cloudy
8°
Rain drop 2%
WSW 12 km/h
Add

Cloudy

  • Temperature feels like
    Feels Like6°
  • WindWSW 12 km/h
  • Humidity
    Humidity45%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover94%
  • Rain drop
    Rain Amount0 mm

13:00

Cloudy Cloudy
10°
Rain drop 2%
WSW 11 km/h
Add

Cloudy

  • Temperature feels like
    Feels Like8°
  • WindWSW 11 km/h
  • Humidity
    Humidity43%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover89%
  • Rain drop
    Rain Amount0 mm

14:00

Mostly Cloudy Day Mostly Cloudy
10°
Rain drop 3%
WSW 11 km/h
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like9°
  • WindWSW 11 km/h
  • Humidity
    Humidity42%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover78%
  • Rain drop
    Rain Amount0 mm

15:00

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

Cloudy

  • Temperature feels like
    Feels Like9°
  • WindW 10 km/h
  • Humidity
    Humidity43%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover90%
  • Rain drop
    Rain Amount0 mm
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16:00

Cloudy Cloudy
9°
Rain drop 4%
WNW 10 km/h
Add

Cloudy

  • Temperature feels like
    Feels Like8°
  • WindWNW 10 km/h
  • Humidity
    Humidity48%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover86%
  • Rain drop
    Rain Amount0 mm

17:00

Mostly Cloudy Night Mostly Cloudy
8°
Rain drop 4%
NW 7 km/h
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like7°
  • WindNW 7 km/h
  • Humidity
    Humidity51%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover61%
  • Rain drop
    Rain Amount0 mm

18:00

Partly Cloudy Night Partly Cloudy
7°
Rain drop 4%
NW 8 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like5°
  • WindNW 8 km/h
  • Humidity
    Humidity56%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover43%
  • Rain drop
    Rain Amount0 mm

19:00

Clear Night Clear
5°
Rain drop 5%
NW 7 km/h
Add

Clear

  • Temperature feels like
    Feels Like4°
  • WindNW 7 km/h
  • Humidity
    Humidity61%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover19%
  • Rain drop
    Rain Amount0 mm

20:00

Clear Night Clear
4°
Rain drop 5%
NW 8 km/h
Add

Clear

  • Temperature feels like
    Feels Like2°
  • WindNW 8 km/h
  • Humidity
    Humidity65%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover16%
  • Mixed precipitation
    Precip Amount0 mm

21:00

Clear Night Clear
3°
Rain drop 6%
NNW 7 km/h
Add

Clear

  • Temperature feels like
    Feels Like1°
  • WindNNW 7 km/h
  • Humidity
    Humidity70%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover8%
  • Mixed precipitation
    Precip Amount0 mm
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