Weather Forecast and Conditions for Herndon, Virginia 20170 - The Weather Channel | Weather.com
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78° Partly Cloudy Night
Partly Cloudy
Day 86° • Night 55°
Feels Like78°
Sunrise

7:09 am

Sunset

7:23 pm

Temperature
High / Low
--/55°
Wind
8 mph
Humidity
Humidity
34%
Dew point
Dew Point
47°
Pressure
Pressure
29.62 in
UV index
UV Index
0 of 11
Visibility
Visibility
10 mi
Moon Phase - Day 4
Moon Phase
Waxing Crescent
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Rain

Rain possible after 4 AM.

Hourly Weather-

Now

Mostly Cloudy Night Mostly Cloudy
75°
Rain drop 15%
SSW 7 mph
Subtract

Mostly Cloudy

  • Temperature feels like
    Feels Like75°
  • WindSSW 7 mph
  • Humidity
    Humidity39%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover65%
  • Rain drop
    Rain Amount0 in

11 pm

Mostly Cloudy Night Mostly Cloudy
74°
Rain drop 15%
SW 6 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like74°
  • WindSW 6 mph
  • Humidity
    Humidity42%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover66%
  • Rain drop
    Rain Amount0 in

12 am

Mostly Cloudy Night Mostly Cloudy
70°
Rain drop 15%
NNW 7 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like70°
  • WindNNW 7 mph
  • Humidity
    Humidity50%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover69%
  • Rain drop
    Rain Amount0 in

1 am

Mostly Cloudy Night Mostly Cloudy
65°
Rain drop 15%
N 5 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like65°
  • WindN 5 mph
  • Humidity
    Humidity64%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover70%
  • Rain drop
    Rain Amount0 in
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10 Day Weather-

Tonight

Rain Rain Late
--/55°
Rain drop 94%
Subtract

Night

55°
Rain
Rain drop
94%
NNW 10 mph

Partly cloudy skies this evening will give way to cloudy skies and rain overnight. Low near 55F. Winds NNW at 5 to 10 mph. Chance of rain 90%.

  • Humidity
    Humidity59%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise8:51 am
  • Moonset
    Moonset--
  • Moon Phase - Day 4 Waxing Crescent

Mon 23

Scattered Showers Day AM Showers/Wind
57°/32°
Rain drop 35%
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Day

57°
Scattered Showers Day
Rain drop
35%
NNW 20 mph

Rain showers in the morning, then partly cloudy and windy in the afternoon. High 57F. Winds NNW at 20 to 30 mph. Chance of rain 40%. Higher wind gusts possible.

  • Humidity
    Humidity62%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:08 am
  • Sunset
    Sunset7:24 pm

Night

32°
Clear Night
Mixed precipitation
3%
NNW 18 mph

A mostly clear sky. Low 32F. Winds NNW at 15 to 25 mph.

  • Humidity
    Humidity45%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise9:34 am
  • Moonset
    Moonset12:09 am
  • Moon Phase - Day 5 Waxing Crescent

Tue 24

Sunny Sunny
53°/35°
Rain drop 3%
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Day

53°
Sunny
Rain drop
3%
NW 7 mph

Sunny skies. High 53F. Winds NW at 5 to 10 mph.

  • Humidity
    Humidity39%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise7:06 am
  • Sunset
    Sunset7:25 pm

Night

35°
Mostly Cloudy Night
Mixed precipitation
1%
S 5 mph

Partly cloudy skies in the evening, then becoming cloudy overnight. Low near 35F. Winds light and variable.

  • Humidity
    Humidity54%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise10:26 am
  • Moonset
    Moonset1:23 am
  • Moon Phase - Day 6 Waxing Crescent

Wed 25

Partly Cloudy Day Partly Cloudy
61°/48°
Rain drop 1%
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Day

61°
Partly Cloudy Day
Rain drop
1%
S 12 mph

Sunshine and clouds mixed. High 61F. Winds S at 10 to 15 mph.

  • Humidity
    Humidity44%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise7:05 am
  • Sunset
    Sunset7:26 pm

Night

48°
Partly Cloudy Night
S 10 mph

Partly cloudy early with increasing clouds overnight. Low 48F. Winds S at 10 to 15 mph.

  • Humidity
    Humidity50%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise11:29 am
  • Moonset
    Moonset2:30 am
  • Moon Phase - Day 7 First Quarter
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