Weather Forecast and Conditions for Herndon, Virginia 20170 - The Weather Channel | Weather.com
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55° Cloudy
Showers in the Vicinity
Day 72° • Night 49°
Feels Like54°
Sunrise

7:11 am

Sunset

7:22 pm

Temperature
High / Low
--/49°
Wind
5 mph
Humidity
Humidity
82%
Dew point
Dew Point
50°
Pressure
Pressure
29.77 in
UV index
UV Index
0 of 11
Visibility
Visibility
10 mi
Moon Phase - Day 2
Moon Phase
Waxing Crescent
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Rain

Thunderstorms likely to continue through 3 AM.

Hourly Weather-

Now

Thunderstorms Thunderstorms
54°
Rain drop 78%
SW 4 mph
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Thunderstorms

  • Temperature feels like
    Feels Like54°
  • WindSW 4 mph
  • Humidity
    Humidity86%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover78%
  • Rain drop
    Rain Amount0.1 in

3 am

Scattered Thunderstorms Night Scattered Thunderstorms
53°
Rain drop 52%
WSW 6 mph
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Scattered Thunderstorms

  • Temperature feels like
    Feels Like52°
  • WindWSW 6 mph
  • Humidity
    Humidity87%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover80%
  • Rain drop
    Rain Amount0.01 in

4 am

Partly Cloudy Night Partly Cloudy
52°
Rain drop 3%
WSW 4 mph
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Partly Cloudy

  • Temperature feels like
    Feels Like51°
  • WindWSW 4 mph
  • Humidity
    Humidity90%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover45%
  • Rain drop
    Rain Amount0 in

5 am

Partly Cloudy Night Partly Cloudy
51°
Rain drop 3%
WNW 5 mph
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Partly Cloudy

  • Temperature feels like
    Feels Like50°
  • WindWNW 5 mph
  • Humidity
    Humidity86%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover37%
  • Rain drop
    Rain Amount0 in
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10 Day Weather-

Tonight

Heavy Rain Heavy Rain
--/49°
Rain drop 96%
Subtract

Night

49°
Heavy Rain
Rain drop
96%
W 6 mph

Periods of rain. The rain will be heavy at times. Thunder possible. Low 49F. Winds light and variable. Chance of rain 100%.

  • Humidity
    Humidity85%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:48 am
  • Moonset
    Moonset9:36 pm
  • Moon Phase - Day 2 Waxing Crescent

Sat 21

Partly Cloudy Day Partly Cloudy
68°/46°
Rain drop 15%
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Day

68°
Partly Cloudy Day
Rain drop
15%
N 9 mph

Partly cloudy skies. Slight chance of a rain shower. High 68F. Winds N at 5 to 10 mph.

  • Humidity
    Humidity58%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:11 am
  • Sunset
    Sunset7:22 pm

Night

46°
Partly Cloudy Night
Rain drop
9%
SE 7 mph

Partly cloudy. Low 46F. Winds SE at 5 to 10 mph.

  • Humidity
    Humidity68%
  • 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
84°/56°
Rain drop 9%
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Day

84°
Partly Cloudy Day
Rain drop
9%
SSW 12 mph

Sunshine and clouds mixed. Very warm. High 84F. Winds SSW at 10 to 15 mph.

  • Humidity
    Humidity56%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise7:09 am
  • Sunset
    Sunset7:23 pm

Night

56°
Rain
Rain drop
81%
WSW 11 mph

Partly cloudy skies early will give way to cloudy skies and rain later during the night. Low 56F. Winds WSW at 10 to 15 mph. Chance of rain 80%.

  • Humidity
    Humidity57%
  • 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
59°/32°
Rain drop 73%
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Day

59°
Scattered Showers Day
Rain drop
73%
NNW 16 mph

Rain showers early with some sunshine later in the day. High 59F. Winds NNW at 10 to 20 mph. Chance of rain 70%.

  • Humidity
    Humidity58%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:08 am
  • Sunset
    Sunset7:24 pm

Night

32°
Mostly Clear Night
Mixed precipitation
1%
NNW 12 mph

Clear to partly cloudy. Low 32F. Winds NNW at 10 to 15 mph.

  • Humidity
    Humidity48%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise9:34 am
  • Moonset
    Moonset12:09 am
  • Moon Phase - Day 5 Waxing Crescent
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