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10-Day Weather Forecast for Herndon, Virginia 20170 - The Weather Channel | weather.com
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10 Day Weather-

As of 6:27 pm EDT
alertLevel2

Gale Warning

+1 More

Tonight

Rain Rain
--/52°
Rain drop 100%
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Night

52°
Rain
Rain drop
100%
SE 13 mph

A steady rain this evening. Showers continuing overnight. Low 52F. Winds SE at 10 to 20 mph. Chance of rain 100%.

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Leaves, Pollen Increasing For South, Southeast

  • Humidity
    Humidity79%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise5:40 am
  • Moonset
    Moonset3:46 pm
  • Moon Phase - Day 26 Waning Crescent

Mon 16

Strong Storms alertLevel3
Strong Storms
67°/30°
Rain drop 86%
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Day

67°
Strong Storms alertLevel3
Rain drop
86%
S 19 mph

Showers in the morning, then a period of strong thunderstorms in the afternoon. Storms could contain tornadoes. High 67F. Winds S at 15 to 25 mph. Chance of rain 90%.

  • Humidity
    Humidity83%
  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise7:19 am
  • Sunset
    Sunset7:17 pm

Night

30°
Strong Storms alertLevel3
Rain drop
99%
WNW 17 mph

Thunderstorms, some strong in the evening will give way to fair skies overnight. Damaging winds with some storms. Low around 30F. Winds WNW at 10 to 20 mph. Chance of rain 100%.

  • Humidity
    Humidity65%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise6:08 am
  • Moonset
    Moonset4:53 pm
  • Moon Phase - Day 27 Waning Crescent

Tue 17

Partly Cloudy Day Partly Cloudy
40°/24°
Rain drop 0%
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Day

40°
Partly Cloudy Day
WNW 16 mph

Intervals of clouds and sunshine in the morning with more clouds for later in the day. High near 40F. Winds WNW at 10 to 20 mph.

  • Humidity
    Humidity39%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise7:17 am
  • Sunset
    Sunset7:18 pm

Night

24°
Mostly Clear Night
NW 14 mph

Partly cloudy. Cold. Low 24F. NW winds at 10 to 20 mph, decreasing to less than 5 mph.

  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise6:33 am
  • Moonset
    Moonset6:02 pm
  • Moon Phase - Day 28 Waning Crescent

Wed 18

Cloudy Cloudy
41°/32°
Rain drop 0%
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Day

41°
Cloudy
SE 9 mph

Cloudy. High 41F. Winds SE at 5 to 10 mph.

  • Humidity
    Humidity42%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise7:16 am
  • Sunset
    Sunset7:19 pm

Night

32°
Partly Cloudy Night
Mixed precipitation
1%
SSE 7 mph

A few clouds. Low 32F. Winds SSE at 5 to 10 mph.

  • Humidity
    Humidity56%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise6:58 am
  • Moonset
    Moonset7:11 pm
  • Moon Phase - Day 29 New Moon

Thu 19

Partly Cloudy Day Partly Cloudy
55°/38°
Rain drop 3%
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Day

55°
Partly Cloudy Day
Rain drop
3%
SSE 7 mph

Some sun in the morning with increasing clouds during the afternoon. High around 55F. Winds SSE at 5 to 10 mph.

  • Humidity
    Humidity50%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:14 am
  • Sunset
    Sunset7:20 pm

Night

38°
Partly Cloudy Night
Mixed precipitation
13%
S 5 mph

Mostly cloudy skies early will become partly cloudy late. Low 38F. Winds light and variable.

  • Humidity
    Humidity63%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:22 am
  • Moonset
    Moonset8:22 pm
  • Moon Phase - Day 0 New Moon

Fri 20

Partly Cloudy Day Partly Cloudy
60°/43°
Rain drop 8%
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Day

60°
Partly Cloudy Day
Rain drop
8%
WNW 8 mph

Partly cloudy skies. High around 60F. Winds WNW at 5 to 10 mph.

  • Humidity
    Humidity56%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:13 am
  • Sunset
    Sunset7:21 pm

Night

43°
Mostly Cloudy Night
Rain drop
21%
S 7 mph

Mostly cloudy skies. Low 43F. Winds S at 5 to 10 mph.

  • Humidity
    Humidity65%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:48 am
  • Moonset
    Moonset9:36 pm
  • Moon Phase - Day 2 Waxing Crescent

Sat 21

Mostly Cloudy Day Mostly Cloudy
61°/38°
Rain drop 19%
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Day

61°
Mostly Cloudy Day
Rain drop
19%
WSW 9 mph

Mostly cloudy. Slight chance of a rain shower. High 61F. Winds WSW at 5 to 10 mph.

  • Humidity
    Humidity61%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise7:11 am
  • Sunset
    Sunset7:22 pm

Night

38°
Partly Cloudy Night
Mixed precipitation
18%
NNW 9 mph

Partly cloudy skies. Low 38F. Winds NNW at 5 to 10 mph.

  • Humidity
    Humidity67%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise8:17 am
  • Moonset
    Moonset10:52 pm
  • Moon Phase - Day 3 Waxing Crescent

Sun 22

Partly Cloudy Day Partly Cloudy
54°/33°
Rain drop 23%
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Day

54°
Partly Cloudy Day
Rain drop
23%
NW 12 mph

Mostly cloudy skies early will become partly cloudy later in the day. High 54F. Winds NW at 10 to 15 mph.

  • Humidity
    Humidity56%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:09 am
  • Sunset
    Sunset7:23 pm

Night

33°
Partly Cloudy Night
Mixed precipitation
21%
NNW 10 mph

Partly cloudy skies. Low 33F. Winds NNW at 10 to 15 mph.

  • Humidity
    Humidity52%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise8:51 am
  • Moonset
    Moonset--
  • Moon Phase - Day 4 Waxing Crescent

Mon 23

Partly Cloudy Day Partly Cloudy
52°/32°
Rain drop 11%
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Day

52°
Partly Cloudy Day
Rain drop
11%
NNW 11 mph

Partly cloudy skies. High 52F. Winds NNW at 10 to 15 mph.

  • Humidity
    Humidity44%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise7:08 am
  • Sunset
    Sunset7:24 pm

Night

32°
Partly Cloudy Night
Mixed precipitation
15%
N 9 mph

Partly cloudy. Low 32F. Winds N at 5 to 10 mph.

  • Humidity
    Humidity44%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise9:34 am
  • Moonset
    Moonset12:09 am
  • Moon Phase - Day 5 Waxing Crescent

Tue 24

Partly Cloudy Day Partly Cloudy
51°/33°
Rain drop 9%
Add

Day

51°
Partly Cloudy Day
Rain drop
9%
NNW 9 mph

Partly cloudy. High 51F. Winds NNW at 5 to 10 mph.

  • Humidity
    Humidity38%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:06 am
  • Sunset
    Sunset7:25 pm

Night

33°
Partly Cloudy Night
Mixed precipitation
22%
NNE 6 mph

Partly cloudy skies. Low 33F. Winds NNE at 5 to 10 mph.

  • Humidity
    Humidity52%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise10:26 am
  • Moonset
    Moonset1:23 am
  • Moon Phase - Day 6 Waxing Crescent

Wed 25

Showers Few Showers
51°/38°
Rain drop 32%
Add

Day

51°
Showers
Rain drop
32%
WNW 11 mph

Cloudy with a few showers. High 51F. Winds WNW at 10 to 15 mph. Chance of rain 30%.

  • Humidity
    Humidity54%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise7:05 am
  • Sunset
    Sunset7:26 pm

Night

38°
Showers
Rain drop
40%
NW 8 mph

Cloudy with occasional rain showers. Low 38F. Winds NW at 5 to 10 mph. Chance of rain 40%.

  • Humidity
    Humidity65%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise11:29 am
  • Moonset
    Moonset2:30 am
  • Moon Phase - Day 7 First Quarter

Thu 26

Showers Few Showers
55°/37°
Rain drop 30%
Add

Day

55°
Showers
Rain drop
30%
W 10 mph

Cloudy with a few showers. High near 55F. NW winds shifting to SW at 10 to 15 mph. Chance of rain 30%.

  • Humidity
    Humidity53%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:03 am
  • Sunset
    Sunset7:27 pm

Night

37°
Showers
Rain drop
49%
W 9 mph

Overcast with rain showers at times. Low 37F. Winds W at 5 to 10 mph. Chance of rain 50%.

  • Humidity
    Humidity62%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise12:38 pm
  • Moonset
    Moonset3:27 am
  • Moon Phase - Day 8 Waxing Gibbous

Fri 27

Showers Showers
53°/36°
Rain drop 49%
Add

Day

53°
Showers
Rain drop
49%
NW 12 mph

Cloudy with showers. High 53F. Winds NW at 10 to 15 mph. Chance of rain 50%.

  • Humidity
    Humidity54%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:01 am
  • Sunset
    Sunset7:28 pm

Night

36°
Scattered Showers Night
Rain drop
39%
NW 9 mph

A few showers early with mostly cloudy conditions late. Low 36F. Winds NW at 5 to 10 mph. Chance of rain 40%.

  • Humidity
    Humidity60%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise1:51 pm
  • Moonset
    Moonset4:12 am
  • Moon Phase - Day 9 Waxing Gibbous

Sat 28

Partly Cloudy Day Partly Cloudy
54°/36°
Rain drop 20%
Add

Day

54°
Partly Cloudy Day
Rain drop
20%
NW 11 mph

Partly cloudy. High 54F. Winds NW at 10 to 15 mph.

  • Humidity
    Humidity48%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise7:00 am
  • Sunset
    Sunset7:29 pm

Night

36°
Partly Cloudy Night
Mixed precipitation
16%
NW 9 mph

A few clouds. Low 36F. Winds NW at 5 to 10 mph.

  • Humidity
    Humidity57%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise3:03 pm
  • Moonset
    Moonset4:49 am
  • Moon Phase - Day 10 Waxing Gibbous

Sun 29

Mostly Cloudy Day Mostly Cloudy
57°/39°
Rain drop 18%
Add

Day

57°
Mostly Cloudy Day
Rain drop
18%
NW 10 mph

Mostly cloudy skies. High 57F. Winds NW at 5 to 10 mph.

  • Humidity
    Humidity50%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:58 am
  • Sunset
    Sunset7:30 pm

Night

39°
Scattered Showers Night
Rain drop
31%
SSW 7 mph

Mostly cloudy skies with a few showers late. Low 39F. Winds SSW at 5 to 10 mph. Chance of rain 30%.

  • Humidity
    Humidity59%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:12 pm
  • Moonset
    Moonset5:19 am
  • Moon Phase - Day 11 Waxing Gibbous
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