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

As of 11:23 EDT
alertLevel3

Small Craft Advisory

Today

Sunny Sunny
27°/16°
Rain drop 0%
Subtract

Day

27°
Sunny
W 14 km/h

Generally clear. High 27°C. Winds W at 10 to 15 km/h.

  • Humidity
    Humidity40%
  • UV index
    UV Index9 of 11
  • Sunrise
    Sunrise05:47
  • Sunset
    Sunset20:27

Night

16°
Clear Night
Rain drop
2%
W 13 km/h

Generally clear. Low 16°C. Winds W at 10 to 15 km/h.

  • Humidity
    Humidity59%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise19:21
  • Moonset
    Moonset04:16
  • Moon Phase - Day 13 Waxing Gibbous

Sat 30

Sunny Sunny
22°/9°
Rain drop 1%
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Day

22°
Sunny
Rain drop
1%
N 21 km/h

Generally clear. High 22°C. Winds N at 15 to 30 km/h.

  • Humidity
    Humidity42%
  • UV index
    UV Index9 of 11
  • Sunrise
    Sunrise05:47
  • Sunset
    Sunset20:27

Night

9°
Clear Night
Rain drop
4%
N 17 km/h

Generally clear. Low 9°C. Winds N at 15 to 25 km/h.

  • Humidity
    Humidity61%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise20:21
  • Moonset
    Moonset04:49
  • Moon Phase - Day 14 Full

Sun 31

Sunny Sunny
24°/13°
Rain drop 2%
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Day

24°
Sunny
Rain drop
2%
NW 9 km/h

Generally clear. High 24°C. Winds light and variable.

  • Humidity
    Humidity43%
  • UV index
    UV Index9 of 11
  • Sunrise
    Sunrise05:46
  • Sunset
    Sunset20:28

Night

13°
Mostly Clear Night
Rain drop
4%
SSW 8 km/h

Generally clear. Low 13°C. Winds light and variable.

  • Humidity
    Humidity68%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise21:20
  • Moonset
    Moonset05:28
  • Moon Phase - Day 15 Full

Mon 01

Partly Cloudy Day Partly Cloudy
27°/12°
Rain drop 3%
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Day

27°
Partly Cloudy Day
Rain drop
3%
NNW 13 km/h

Partly cloudy. High 27°C. Winds NNW at 10 to 15 km/h.

  • Humidity
    Humidity46%
  • UV index
    UV Index9 of 11
  • Sunrise
    Sunrise05:46
  • Sunset
    Sunset20:29

Night

12°
Mostly Clear Night
Rain drop
5%
NNE 10 km/h

Generally clear. Low 12°C. Winds NNE at 10 to 15 km/h.

  • Humidity
    Humidity64%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise22:12
  • Moonset
    Moonset06:14
  • Moon Phase - Day 16 Waning Gibbous

Tue 02

Mostly Clear Day Mostly Sunny
25°/13°
Rain drop 7%
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Day

25°
Mostly Clear Day
Rain drop
7%
N 16 km/h

Generally clear. High 25°C. Winds N at 10 to 15 km/h.

  • Humidity
    Humidity49%
  • UV index
    UV Index9 of 11
  • Sunrise
    Sunrise05:45
  • Sunset
    Sunset20:30

Night

13°
Mostly Clear Night
Rain drop
8%
NNW 11 km/h

Generally clear. Low 13°C. Winds NNW at 10 to 15 km/h.

  • Humidity
    Humidity57%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise22:57
  • Moonset
    Moonset07:07
  • Moon Phase - Day 17 Waning Gibbous

Wed 03

Partly Cloudy Day Partly Cloudy
25°/13°
Rain drop 15%
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Day

25°
Partly Cloudy Day
Rain drop
15%
N 15 km/h

Partly cloudy. Slight chance of a rain shower. High 25°C. Winds N at 10 to 15 km/h.

  • Humidity
    Humidity43%
  • UV index
    UV Index9 of 11
  • Sunrise
    Sunrise05:45
  • Sunset
    Sunset20:30

Night

13°
Clear Night
Rain drop
2%
WSW 10 km/h

Generally clear. Low 13°C. Winds light and variable.

  • Humidity
    Humidity63%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise23:36
  • Moonset
    Moonset08:05
  • Moon Phase - Day 17 Waning Gibbous

Thu 04

Mostly Clear Day Mostly Sunny
29°/16°
Rain drop 2%
Add

Day

29°
Mostly Clear Day
Rain drop
2%
W 13 km/h

Generally clear. High 29°C. Winds W at 10 to 15 km/h.

  • Humidity
    Humidity48%
  • UV index
    UV Index9 of 11
  • Sunrise
    Sunrise05:45
  • Sunset
    Sunset20:31

Night

16°
Mostly Clear Night
Rain drop
5%
SSW 10 km/h

Generally clear. Low 16°C. Winds SSW at 10 to 15 km/h.

  • Humidity
    Humidity66%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise--
  • Moonset
    Moonset09:07
  • Moon Phase - Day 18 Waning Gibbous

Fri 05

Partly Cloudy Day Partly Cloudy
31°/20°
Rain drop 21%
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Day

31°
Partly Cloudy Day
Rain drop
21%
WSW 13 km/h

Partly cloudy. High 31°C. Winds WSW at 10 to 15 km/h.

  • Humidity
    Humidity50%
  • UV index
    UV Index9 of 11
  • Sunrise
    Sunrise05:44
  • Sunset
    Sunset20:31

Night

20°
Partly Cloudy Night
Rain drop
24%
SW 11 km/h

Partly cloudy. Low 20°C. Winds SW at 10 to 15 km/h.

  • Humidity
    Humidity65%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise00:08
  • Moonset
    Moonset10:10
  • Moon Phase - Day 19 Waning Gibbous

Sat 06

Partly Cloudy Day Partly Cloudy
30°/17°
Rain drop 24%
Add

Day

30°
Partly Cloudy Day
Rain drop
24%
WSW 14 km/h

Partly cloudy. High 30°C. Winds WSW at 10 to 15 km/h.

  • Humidity
    Humidity62%
  • UV index
    UV Index9 of 11
  • Sunrise
    Sunrise05:44
  • Sunset
    Sunset20:32

Night

17°
Partly Cloudy Night
Rain drop
24%
W 11 km/h

Partly cloudy. Low 17°C. Winds W at 10 to 15 km/h.

  • Humidity
    Humidity80%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise00:35
  • Moonset
    Moonset11:13
  • Moon Phase - Day 20 Waning Gibbous

Sun 07

Partly Cloudy Day Partly Cloudy
28°/16°
Rain drop 24%
Add

Day

28°
Partly Cloudy Day
Rain drop
24%
N 15 km/h

Partly cloudy. High 28°C. Winds N at 10 to 15 km/h.

  • Humidity
    Humidity60%
  • UV index
    UV Index9 of 11
  • Sunrise
    Sunrise05:44
  • Sunset
    Sunset20:33

Night

16°
Partly Cloudy Night
Rain drop
24%
NE 12 km/h

Partly cloudy. Low 16°C. Winds NE at 10 to 15 km/h.

  • Humidity
    Humidity75%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise01:00
  • Moonset
    Moonset12:16
  • Moon Phase - Day 21 Waning Gibbous

Mon 08

Partly Cloudy Day Partly Cloudy
27°/17°
Rain drop 17%
Add

Day

27°
Partly Cloudy Day
Rain drop
17%
NNE 14 km/h

Partly cloudy. High 27°C. Winds NNE at 10 to 15 km/h.

  • Humidity
    Humidity57%
  • UV index
    UV Index9 of 11
  • Sunrise
    Sunrise05:44
  • Sunset
    Sunset20:33

Night

17°
Partly Cloudy Night
Rain drop
18%
NE 11 km/h

Partly cloudy. Low 17°C. Winds NE at 10 to 15 km/h.

  • Humidity
    Humidity70%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise01:23
  • Moonset
    Moonset13:21
  • Moon Phase - Day 22 Last Quarter

Tue 09

Partly Cloudy Day Partly Cloudy
29°/18°
Rain drop 24%
Add

Day

29°
Partly Cloudy Day
Rain drop
24%
N 13 km/h

Partly cloudy. High 29°C. Winds N at 10 to 15 km/h.

  • Humidity
    Humidity53%
  • UV index
    UV Index9 of 11
  • Sunrise
    Sunrise05:44
  • Sunset
    Sunset20:34

Night

18°
Partly Cloudy Night
Rain drop
24%
SE 10 km/h

Partly cloudy. Low 18°C. Winds light and variable.

  • Humidity
    Humidity71%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise01:46
  • Moonset
    Moonset14:27
  • Moon Phase - Day 23 Waning Crescent

Wed 10

Partly Cloudy Day Partly Cloudy
30°/18°
Rain drop 24%
Add

Day

30°
Partly Cloudy Day
Rain drop
24%
NNW 12 km/h

Partly cloudy. High 30°C. Winds NNW at 10 to 15 km/h.

  • Humidity
    Humidity57%
  • UV index
    UV Index9 of 11
  • Sunrise
    Sunrise05:43
  • Sunset
    Sunset20:34

Night

18°
Partly Cloudy Night
Rain drop
17%
SSW 9 km/h

Partly cloudy. Low 18°C. Winds light and variable.

  • Humidity
    Humidity72%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise02:10
  • Moonset
    Moonset15:38
  • Moon Phase - Day 24 Waning Crescent

Thu 11

Partly Cloudy Day Partly Cloudy
30°/19°
Rain drop 24%
Add

Day

30°
Partly Cloudy Day
Rain drop
24%
NW 12 km/h

Partly cloudy. High 30°C. Winds NW at 10 to 15 km/h.

  • Humidity
    Humidity59%
  • UV index
    UV Index9 of 11
  • Sunrise
    Sunrise05:43
  • Sunset
    Sunset20:35

Night

19°
Partly Cloudy Night
Rain drop
24%
SW 10 km/h

Partly cloudy. Low 19°C. Winds light and variable.

  • Humidity
    Humidity74%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise02:37
  • Moonset
    Moonset16:52
  • Moon Phase - Day 25 Waning Crescent

Fri 12

Partly Cloudy Day Partly Cloudy
29°/19°
Rain drop 24%
Add

Day

29°
Partly Cloudy Day
Rain drop
24%
NW 12 km/h

Partly cloudy. High 29°C. Winds NW at 10 to 15 km/h.

  • Humidity
    Humidity61%
  • UV index
    UV Index9 of 11
  • Sunrise
    Sunrise05:43
  • Sunset
    Sunset20:35

Night

19°
Scattered Showers Night
Rain drop
34%
SW 10 km/h

Showers early. Low 19°C. Winds light and variable. Chance of rain 30%.

  • Humidity
    Humidity76%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise03:10
  • Moonset
    Moonset18:10
  • Moon Phase - Day 26 Waning Crescent
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