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10-day weather forecast for Herndon, Virginia 20170, United States - The Weather Channel | weather.com
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10-Day Weather- Herndon, Virginia, United States

As of 02:59 EST
alertLevel2

Gale Warning

+2 More

Tonight

Windy Partly Cloudy / Wind
--/-3°
Rain drop 15%
Subtract

Night

-3°
Windy
Mixed precipitation
15%
WNW 34 km/h

Windy and partly cloudy. Low -3°C. Winds WNW at 30 to 50 km/h. Winds could occasionally gust over 65 km/h.

  • Humidity
    Humidity46%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise12:41
  • Moonset
    Moonset01:58
  • Moon Phase - Day 9 Waxing Gibbous

Tue 30

Mostly Clear Day Mostly Sunny
1°/-4°
Rain drop 0%
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Day

1°
Mostly Clear Day
WNW 32 km/h

Generally clear. High 1°C. Winds WNW at 25 to 40 km/h. Winds could occasionally gust over 65 km/h.

  • Humidity
    Humidity39%
  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise07:27
  • Sunset
    Sunset16:56

Night

-4°
Mostly Cloudy Night
W 20 km/h

Mostly cloudy. Low -4°C. Winds W at 15 to 25 km/h.

  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise13:15
  • Moonset
    Moonset03:13
  • Moon Phase - Day 10 Waxing Gibbous

Wed 31

Partly Cloudy Day Partly Cloudy
4°/-2°
Rain drop 0%
Add

Day

4°
Partly Cloudy Day
WSW 17 km/h

Partly cloudy. High 4°C. Winds WSW at 10 to 15 km/h.

  • Humidity
    Humidity46%
  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise07:27
  • Sunset
    Sunset16:57

Night

-2°
Partly Cloudy Night
Mixed precipitation
17%
WSW 19 km/h

Partly cloudy. Low -2°C. Winds WSW at 15 to 25 km/h.

  • Humidity
    Humidity62%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise13:59
  • Moonset
    Moonset04:32
  • Moon Phase - Day 11 Waxing Gibbous

Thu 01

Partly Cloudy Day Partly Cloudy
0°/-7°
Rain drop 15%
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Day

0°
Partly Cloudy Day
Mixed precipitation
15%
NW 24 km/h

Partly cloudy. A few flurries or snow showers possible. High 0°C. Winds NW at 15 to 30 km/h.

  • Humidity
    Humidity37%
  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise07:28
  • Sunset
    Sunset16:58

Night

-7°
Mostly Clear Night
Snowflake
1%
NW 11 km/h

Generally clear. Low -7°C. Winds NW at 10 to 15 km/h.

  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise14:54
  • Moonset
    Moonset05:49
  • Moon Phase - Day 13 Waxing Gibbous

Fri 02

Partly Cloudy Day Partly Cloudy
4°/-3°
Rain drop 1%
Add

Day

4°
Partly Cloudy Day
Mixed precipitation
1%
SW 10 km/h

Partly cloudy. High 4°C. Winds light and variable.

  • Humidity
    Humidity43%
  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise07:28
  • Sunset
    Sunset16:59

Night

-3°
Partly Cloudy Night
Mixed precipitation
3%
NNW 10 km/h

Partly cloudy. Low -3°C. Winds light and variable.

  • Humidity
    Humidity59%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise16:01
  • Moonset
    Moonset07:00
  • Moon Phase - Day 14 Full

Sat 03

Partly Cloudy Day Partly Cloudy
4°/-6°
Rain drop 3%
Add

Day

4°
Partly Cloudy Day
Mixed precipitation
3%
NNW 15 km/h

Partly cloudy. High 4°C. Winds NNW at 10 to 15 km/h.

  • Humidity
    Humidity41%
  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise07:28
  • Sunset
    Sunset16:59

Night

-6°
Partly Cloudy Night
Snowflake
3%
N 9 km/h

Partly cloudy. Low -6°C. Winds light and variable.

  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise17:16
  • Moonset
    Moonset07:59
  • Moon Phase - Day 15 Full

Sun 04

Partly Cloudy Day Partly Cloudy
4°/-3°
Rain drop 3%
Add

Day

4°
Partly Cloudy Day
Mixed precipitation
3%
WNW 10 km/h

Partly cloudy. High 4°C. Winds light and variable.

  • Humidity
    Humidity46%
  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise07:28
  • Sunset
    Sunset17:00

Night

-3°
Mostly Cloudy Night
Mixed precipitation
7%
S 6 km/h

Mostly cloudy. Low -3°C. Winds light and variable.

  • Humidity
    Humidity53%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise18:34
  • Moonset
    Moonset08:46
  • Moon Phase - Day 16 Waning Gibbous

Mon 05

Mostly Cloudy Day Mostly Cloudy
7°/-1°
Rain drop 18%
Add

Day

7°
Mostly Cloudy Day
Rain drop
18%
SSW 13 km/h

Mostly cloudy. High 7°C. Winds SSW at 10 to 15 km/h.

  • Humidity
    Humidity56%
  • UV index
    UV Index1 of 11
  • Sunrise
    Sunrise07:28
  • Sunset
    Sunset17:01

Night

-1°
Partly Cloudy Night
Mixed precipitation
12%
WNW 9 km/h

Partly cloudy. Low -1°C. Winds light and variable.

  • Humidity
    Humidity71%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise19:48
  • Moonset
    Moonset09:22
  • Moon Phase - Day 17 Waning Gibbous

Tue 06

Partly Cloudy Day Partly Cloudy
6°/-2°
Rain drop 6%
Add

Day

6°
Partly Cloudy Day
Rain drop
6%
NNW 14 km/h

Partly cloudy. High 6°C. Winds NNW at 10 to 15 km/h.

  • Humidity
    Humidity59%
  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise07:28
  • Sunset
    Sunset17:02

Night

-2°
Partly Cloudy Night
Mixed precipitation
10%
N 9 km/h

Partly cloudy. Low -2°C. Winds light and variable.

  • Humidity
    Humidity64%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise20:59
  • Moonset
    Moonset09:52
  • Moon Phase - Day 18 Waning Gibbous

Wed 07

Partly Cloudy Day Partly Cloudy
3°/-3°
Rain drop 19%
Add

Day

3°
Partly Cloudy Day
Mixed precipitation
19%
NW 14 km/h

Partly cloudy. High 3°C. Winds NW at 10 to 15 km/h.

  • Humidity
    Humidity56%
  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise07:28
  • Sunset
    Sunset17:03

Night

-3°
Snow Showers
Snowflake
37%
NNW 12 km/h

Snow showers. Low -3°C. Winds NNW at 10 to 15 km/h. Chance of snow 40%. Snow accumulations less than 2 cm.

  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise22:05
  • Moonset
    Moonset10:17
  • Moon Phase - Day 19 Waning Gibbous

Thu 08

Snow Showers AM Snow Showers
4°/-3°
Rain drop 44%
Add

Day

4°
Snow Showers
Snowflake
44%
NNW 17 km/h

Morning snow showers. High 4°C. Winds NNW at 10 to 15 km/h. Chance of snow 40%. Snow accumulations less than 2 cm.

  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise07:28
  • Sunset
    Sunset17:04

Night

-3°
Partly Cloudy Night
Mixed precipitation
24%
WNW 13 km/h

Partly cloudy. Low -3°C. Winds WNW at 10 to 15 km/h.

  • Humidity
    Humidity69%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise23:08
  • Moonset
    Moonset10:40
  • Moon Phase - Day 20 Waning Gibbous

Fri 09

Partly Cloudy Day Partly Cloudy
5°/-2°
Rain drop 24%
Add

Day

5°
Partly Cloudy Day
Rain drop
24%
W 17 km/h

Partly cloudy. High 5°C. Winds W at 15 to 25 km/h.

  • Humidity
    Humidity62%
  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise07:28
  • Sunset
    Sunset17:05

Night

-2°
Rain, Snow, Wintery Mix
Mixed precipitation
34%
WSW 13 km/h

A wintry mix developing late. Low -2°C. Winds WSW at 10 to 15 km/h. Chance of precip 30%.

  • Humidity
    Humidity73%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise--
  • Moonset
    Moonset11:01
  • Moon Phase - Day 21 Waning Gibbous

Sat 10

Rain, Snow, Wintery Mix Rain / Snow Showers
6°/1°
Rain drop 37%
Add

Day

6°
Rain, Snow, Wintery Mix
Rain drop
37%
W 17 km/h

A mix of rain and snow showers. High 6°C. Winds W at 10 to 15 km/h. Chance of rain 40%.

  • Humidity
    Humidity67%
  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise07:27
  • Sunset
    Sunset17:06

Night

1°
Mostly Cloudy Night
Mixed precipitation
24%
WSW 12 km/h

Mostly cloudy. Low 1°C. Winds WSW at 10 to 15 km/h.

  • Humidity
    Humidity73%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise00:10
  • Moonset
    Moonset11:22
  • Moon Phase - Day 22 Last Quarter

Sun 11

Partly Cloudy Day Partly Cloudy
7°/-2°
Rain drop 24%
Add

Day

7°
Partly Cloudy Day
Rain drop
24%
WNW 15 km/h

Partly cloudy. High 7°C. Winds WNW at 10 to 15 km/h.

  • Humidity
    Humidity57%
  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise07:27
  • Sunset
    Sunset17:07

Night

-2°
Partly Cloudy Night
Mixed precipitation
24%
WNW 12 km/h

Partly cloudy. Low -2°C. Winds WNW at 10 to 15 km/h.

  • Humidity
    Humidity65%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise01:11
  • Moonset
    Moonset11:46
  • Moon Phase - Day 23 Waning Crescent

Mon 12

Mostly Cloudy Day Mostly Cloudy
5°/-3°
Rain drop 24%
Add

Day

5°
Mostly Cloudy Day
Rain drop
24%
WNW 15 km/h

Mostly cloudy. High 5°C. Winds WNW at 10 to 15 km/h.

  • Humidity
    Humidity53%
  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise07:27
  • Sunset
    Sunset17:08

Night

-3°
Mostly Cloudy Night
Mixed precipitation
22%
W 11 km/h

Mostly cloudy. Low -3°C. Winds W at 10 to 15 km/h.

  • Humidity
    Humidity63%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise02:13
  • Moonset
    Moonset12:13
  • Moon Phase - Day 24 Waning Crescent
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