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

As of 14:34 EDT
alertLevel3

Marine Weather Statement

Today

Partly Cloudy Day Partly Cloudy
15°/10°
Rain drop 0%
Subtract

Day

15°
Partly Cloudy Day
S 21 km/h

Partly cloudy. Warmer. High 15°C. Winds S at 15 to 30 km/h.

  • Humidity
    Humidity30%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise07:05
  • Sunset
    Sunset19:26

Night

10°
Partly Cloudy Night
Rain drop
1%
S 17 km/h

Skies clearing late. Low 10°C. Winds S at 10 to 15 km/h.

  • Humidity
    Humidity48%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise11:28
  • Moonset
    Moonset02:30
  • Moon Phase - Day 7 First Quarter

Thu 26

Mostly Cloudy Day Mostly Cloudy
25°/16°
Rain drop 6%
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Day

25°
Mostly Cloudy Day
Rain drop
6%
SSW 20 km/h

Mostly cloudy. High 25°C. Winds SSW at 15 to 25 km/h.

  • Humidity
    Humidity45%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise07:03
  • Sunset
    Sunset19:27

Night

16°
Mostly Cloudy Night
Rain drop
24%
SW 18 km/h

Mostly cloudy. A stray shower or thunderstorm is possible. Low 16°C. Winds SW at 15 to 25 km/h.

  • Humidity
    Humidity59%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise12:38
  • Moonset
    Moonset03:27
  • Moon Phase - Day 8 Waxing Gibbous

Fri 27

Rain Rain
19°/1°
Rain drop 66%
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Day

19°
Rain
Rain drop
66%
N 19 km/h

Rain. High 19°C. Winds N at 15 to 25 km/h. Chance of rain 70%. Rainfall around 6 mm.

  • Humidity
    Humidity77%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise07:01
  • Sunset
    Sunset19:28

Night

1°
Partly Cloudy Night
Mixed precipitation
21%
NNW 17 km/h

Skies clearing late. Low 1°C. Winds NNW at 10 to 15 km/h.

  • Humidity
    Humidity68%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise13:51
  • Moonset
    Moonset04:12
  • Moon Phase - Day 9 Waxing Gibbous

Sat 28

Sunny Sunny
9°/-2°
Rain drop 0%
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Day

9°
Sunny
NW 21 km/h

Generally clear. High 9°C. Winds NW at 15 to 30 km/h.

  • Humidity
    Humidity36%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise07:00
  • Sunset
    Sunset19:29

Night

-2°
Clear Night
Mixed precipitation
1%
WSW 11 km/h

Generally clear. Low -2°C. Winds WSW at 10 to 15 km/h.

  • Humidity
    Humidity54%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise15:03
  • Moonset
    Moonset04:49
  • Moon Phase - Day 10 Waxing Gibbous

Sun 29

Mostly Clear Day Mostly Sunny
16°/8°
Rain drop 1%
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Day

16°
Mostly Clear Day
Rain drop
1%
S 19 km/h

Generally clear. High 16°C. Winds S at 15 to 25 km/h.

  • Humidity
    Humidity41%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise06:58
  • Sunset
    Sunset19:30

Night

8°
Partly Cloudy Night
S 17 km/h

Partly cloudy. Low 8°C. Winds S at 15 to 25 km/h.

  • Humidity
    Humidity44%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise16:12
  • Moonset
    Moonset05:19
  • Moon Phase - Day 11 Waxing Gibbous

Mon 30

Cloudy Cloudy
18°/11°
Rain drop 16%
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Day

18°
Cloudy
Rain drop
16%
SSW 19 km/h

Cloudy. Slight chance of a rain shower. High 18°C. Winds SSW at 15 to 25 km/h.

  • Humidity
    Humidity52%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise06:57
  • Sunset
    Sunset19:31

Night

11°
Showers
Rain drop
41%
SSW 17 km/h

Showers. Low 11°C. Winds SSW at 10 to 15 km/h. Chance of rain 40%.

  • Humidity
    Humidity81%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise17:19
  • Moonset
    Moonset05:44
  • Moon Phase - Day 12 Waxing Gibbous

Tue 31

Showers Few Showers
22°/16°
Rain drop 34%
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Day

22°
Showers
Rain drop
34%
SSW 14 km/h

Scattered showers. High 22°C. Winds SSW at 10 to 15 km/h. Chance of rain 30%.

  • Humidity
    Humidity69%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise06:55
  • Sunset
    Sunset19:32

Night

16°
Mostly Cloudy Night
Rain drop
24%
SSW 14 km/h

Mostly cloudy. Low 16°C. Winds SSW at 10 to 15 km/h.

  • Humidity
    Humidity64%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise18:23
  • Moonset
    Moonset06:07
  • Moon Phase - Day 13 Waxing Gibbous

Wed 01

Mostly Cloudy Day Mostly Cloudy
28°/17°
Rain drop 17%
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Day

28°
Mostly Cloudy Day
Rain drop
17%
SSW 16 km/h

Mostly cloudy. High 28°C. Winds SSW at 10 to 15 km/h.

  • Humidity
    Humidity51%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise06:54
  • Sunset
    Sunset19:33

Night

17°
Partly Cloudy Night
Rain drop
20%
SSW 14 km/h

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

  • Humidity
    Humidity61%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise19:27
  • Moonset
    Moonset06:29
  • Moon Phase - Day 14 Full

Thu 02

Partly Cloudy Day Partly Cloudy
28°/11°
Rain drop 21%
Add

Day

28°
Partly Cloudy Day
Rain drop
21%
SSW 17 km/h

Partly cloudy. High 28°C. Winds SSW at 15 to 25 km/h.

  • Humidity
    Humidity53%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise06:52
  • Sunset
    Sunset19:34

Night

11°
Mostly Cloudy Night
Rain drop
24%
S 15 km/h

Mostly cloudy. Low 11°C. Winds S at 10 to 15 km/h.

  • Humidity
    Humidity75%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise20:30
  • Moonset
    Moonset06:51
  • Moon Phase - Day 15 Full

Fri 03

Partly Cloudy Day Partly Cloudy
20°/11°
Rain drop 24%
Add

Day

20°
Partly Cloudy Day
Rain drop
24%
SSW 16 km/h

Partly cloudy. High 20°C. Winds SSW at 10 to 15 km/h.

  • Humidity
    Humidity75%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise06:50
  • Sunset
    Sunset19:35

Night

11°
Showers
Rain drop
35%
SE 14 km/h

Showers. Low 11°C. Winds SE at 10 to 15 km/h. Chance of rain 40%.

  • Humidity
    Humidity81%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise21:34
  • Moonset
    Moonset07:15
  • Moon Phase - Day 16 Waning Gibbous

Sat 04

Showers Showers
18°/11°
Rain drop 36%
Add

Day

18°
Showers
Rain drop
36%
ESE 16 km/h

Showers. High 18°C. Winds ESE at 10 to 15 km/h. Chance of rain 40%.

  • Humidity
    Humidity69%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise06:49
  • Sunset
    Sunset19:36

Night

11°
Showers
Rain drop
32%
SE 15 km/h

Showers. Low 11°C. Winds SE at 10 to 15 km/h. Chance of rain 30%.

  • Humidity
    Humidity77%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise22:37
  • Moonset
    Moonset07:42
  • Moon Phase - Day 17 Waning Gibbous

Sun 05

Showers Showers
19°/11°
Rain drop 50%
Add

Day

19°
Showers
Rain drop
50%
SSW 17 km/h

Showers. High 19°C. Winds SSW at 10 to 15 km/h. Chance of rain 50%.

  • Humidity
    Humidity67%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise06:47
  • Sunset
    Sunset19:37

Night

11°
Showers
Rain drop
59%
WSW 13 km/h

Showers. Low 11°C. Winds WSW at 10 to 15 km/h. Chance of rain 60%.

  • Humidity
    Humidity70%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise23:40
  • Moonset
    Moonset08:13
  • Moon Phase - Day 18 Waning Gibbous

Mon 06

Showers Showers
20°/8°
Rain drop 59%
Add

Day

20°
Showers
Rain drop
59%
NW 16 km/h

Showers. High 20°C. Winds NW at 10 to 15 km/h. Chance of rain 60%.

  • Humidity
    Humidity57%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise06:46
  • Sunset
    Sunset19:38

Night

8°
Showers
Rain drop
35%
NNW 14 km/h

Showers. Low 8°C. Winds NNW at 10 to 15 km/h. Chance of rain 40%.

  • Humidity
    Humidity63%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise--
  • Moonset
    Moonset08:49
  • Moon Phase - Day 19 Waning Gibbous

Tue 07

Partly Cloudy Day Partly Cloudy
18°/7°
Rain drop 24%
Add

Day

18°
Partly Cloudy Day
Rain drop
24%
WNW 16 km/h

Partly cloudy. High 18°C. Winds WNW at 10 to 15 km/h.

  • Humidity
    Humidity58%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise06:44
  • Sunset
    Sunset19:39

Night

7°
Scattered Showers Night
Rain drop
35%
WNW 15 km/h

Showers late at night. Low 7°C. Winds WNW at 10 to 15 km/h. Chance of rain 40%.

  • Humidity
    Humidity69%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise00:39
  • Moonset
    Moonset09:33
  • Moon Phase - Day 20 Waning Gibbous

Wed 08

Scattered Showers Day AM Showers
18°/5°
Rain drop 35%
Add

Day

18°
Scattered Showers Day
Rain drop
35%
W 13 km/h

Morning showers. High 18°C. Winds W at 10 to 15 km/h. Chance of rain 40%.

  • Humidity
    Humidity58%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise06:43
  • Sunset
    Sunset19:40

Night

5°
Scattered Showers Night
Rain drop
31%
SW 10 km/h

Showers late at night. Low 5°C. Winds light and variable. Chance of rain 30%.

  • Humidity
    Humidity69%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise01:34
  • Moonset
    Moonset10:24
  • Moon Phase - Day 21 Waning Gibbous
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