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

10-Day Weather-

As of 00:49 EDT
alertLevel3

Small Craft Advisory

Tonight

Partly Cloudy Night Partly Cloudy
--/9°
Rain drop 2%
Subtract

Night

9°
Partly Cloudy Night
Rain drop
2%
NW 12 km/h

Partly cloudy. Low 9°C. Winds NW at 10 to 15 km/h.

  • Humidity
    Humidity68%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise04:11
  • Moonset
    Moonset18:01
  • Moon Phase - Day 27 Waning Crescent

Fri 15

Partly Cloudy Day Partly Cloudy
22°/10°
Rain drop 1%
Add

Day

22°
Partly Cloudy Day
Rain drop
1%
NW 20 km/h

Partly cloudy. High 22°C. Winds NW at 15 to 25 km/h.

  • Humidity
    Humidity45%
  • UV index
    UV Index9 of 11
  • Sunrise
    Sunrise05:57
  • Sunset
    Sunset20:15

Night

10°
Partly Cloudy Night
Rain drop
4%
WSW 11 km/h

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

  • Humidity
    Humidity63%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise04:42
  • Moonset
    Moonset19:19
  • Moon Phase - Day 28 Waning Crescent

Sat 16

Mostly Clear Day Mostly Sunny
29°/17°
Rain drop 15%
Add

Day

29°
Mostly Clear Day
Rain drop
15%
SSW 18 km/h

Generally clear. A stray shower or thunderstorm is possible. High 29°C. Winds SSW at 15 to 25 km/h.

  • Humidity
    Humidity41%
  • UV index
    UV Index9 of 11
  • Sunrise
    Sunrise05:56
  • Sunset
    Sunset20:16

Night

17°
Partly Cloudy Night
Rain drop
4%
SW 17 km/h

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

  • Humidity
    Humidity58%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise05:19
  • Moonset
    Moonset20:39
  • Moon Phase - Day 0 New

Sun 17

Partly Cloudy Day Partly Cloudy
33°/18°
Rain drop 23%
Add

Day

33°
Partly Cloudy Day
Rain drop
23%
W 12 km/h

Partly cloudy. High 33°C. Winds W at 10 to 15 km/h.

  • Humidity
    Humidity48%
  • UV index
    UV Index8 of 11
  • Sunrise
    Sunrise05:55
  • Sunset
    Sunset20:17

Night

18°
Partly Cloudy Night
Rain drop
13%
S 8 km/h

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

  • Humidity
    Humidity65%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise06:05
  • Moonset
    Moonset21:57
  • Moon Phase - Day 1 Waxing Crescent

Mon 18

Mostly Clear Day Mostly Sunny
36°/21°
Rain drop 11%
Add

Day

36°
Mostly Clear Day
Rain drop
11%
S 16 km/h

Generally clear. Near record high temperatures. High 36°C. Winds S at 10 to 15 km/h.

  • Humidity
    Humidity45%
  • UV index
    UV Index9 of 11
  • Sunrise
    Sunrise05:54
  • Sunset
    Sunset20:18

Night

21°
Mostly Clear Night
Rain drop
22%
S 15 km/h

Generally clear. Low 21°C. Winds S at 10 to 15 km/h.

  • Humidity
    Humidity60%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise07:02
  • Moonset
    Moonset23:07
  • Moon Phase - Day 2 Waxing Crescent

Tue 19

Mostly Clear Day Mostly Sunny
36°/22°
Rain drop 9%
Add

Day

36°
Mostly Clear Day
Rain drop
9%
SSW 18 km/h

Generally clear. High 36°C. Winds SSW at 15 to 25 km/h.

  • Humidity
    Humidity43%
  • UV index
    UV Index9 of 11
  • Sunrise
    Sunrise05:53
  • Sunset
    Sunset20:18

Night

22°
Partly Cloudy Night
Rain drop
9%
SSW 16 km/h

Partly cloudy. Low 22°C. Winds SSW at 10 to 15 km/h.

  • Humidity
    Humidity52%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise08:11
  • Moonset
    Moonset--
  • Moon Phase - Day 3 Waxing Crescent

Wed 20

Scattered Thunderstorms PM T-Storms
33°/17°
Rain drop 69%
Add

Day

33°
Scattered Thunderstorms
Rain drop
69%
SW 14 km/h

Thunderstorms developing in the afternoon. High 33°C. Winds SW at 10 to 15 km/h. Chance of rain 70%.

  • Humidity
    Humidity47%
  • UV index
    UV Index9 of 11
  • Sunrise
    Sunrise05:53
  • Sunset
    Sunset20:19

Night

17°
Thunderstorms
Rain drop
69%
NW 12 km/h

Thunderstorms. Low 17°C. Winds NW at 10 to 15 km/h. Chance of rain 70%.

  • Humidity
    Humidity76%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise09:26
  • Moonset
    Moonset00:03
  • Moon Phase - Day 4 Waxing Crescent

Thu 21

Scattered Showers Day PM Showers
23°/12°
Rain drop 35%
Add

Day

23°
Scattered Showers Day
Rain drop
35%
NNW 14 km/h

Afternoon showers. High 23°C. Winds NNW at 10 to 15 km/h. Chance of rain 40%.

  • Humidity
    Humidity63%
  • UV index
    UV Index8 of 11
  • Sunrise
    Sunrise05:52
  • Sunset
    Sunset20:20

Night

12°
Partly Cloudy Night
Rain drop
24%
N 11 km/h

Partly cloudy. Low 12°C. Winds N at 10 to 15 km/h.

  • Humidity
    Humidity74%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise10:42
  • Moonset
    Moonset00:48
  • Moon Phase - Day 5 Waxing Crescent

Fri 22

Partly Cloudy Day Partly Cloudy
23°/13°
Rain drop 19%
Add

Day

23°
Partly Cloudy Day
Rain drop
19%
ESE 15 km/h

Partly cloudy. High 23°C. Winds ESE at 10 to 15 km/h.

  • Humidity
    Humidity59%
  • UV index
    UV Index8 of 11
  • Sunrise
    Sunrise05:51
  • Sunset
    Sunset20:21

Night

13°
Partly Cloudy Night
Rain drop
19%
SSE 14 km/h

Partly cloudy. Low 13°C. Winds SSE at 10 to 15 km/h.

  • Humidity
    Humidity68%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise11:55
  • Moonset
    Moonset01:24
  • Moon Phase - Day 6 Waxing Crescent

Sat 23

Partly Cloudy Day Partly Cloudy
24°/14°
Rain drop 22%
Add

Day

24°
Partly Cloudy Day
Rain drop
22%
ESE 15 km/h

Partly cloudy. High 24°C. Winds ESE at 10 to 15 km/h.

  • Humidity
    Humidity56%
  • UV index
    UV Index8 of 11
  • Sunrise
    Sunrise05:50
  • Sunset
    Sunset20:22

Night

14°
Partly Cloudy Night
Rain drop
24%
SE 13 km/h

Partly cloudy. Low 14°C. Winds SE at 10 to 15 km/h.

  • Humidity
    Humidity73%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise13:04
  • Moonset
    Moonset01:52
  • Moon Phase - Day 7 First Quarter

Sun 24

Mostly Cloudy Day Mostly Cloudy
26°/14°
Rain drop 24%
Add

Day

26°
Mostly Cloudy Day
Rain drop
24%
SE 14 km/h

Mostly cloudy. High 26°C. Winds SE at 10 to 15 km/h.

  • Humidity
    Humidity55%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise05:50
  • Sunset
    Sunset20:23

Night

14°
Showers
Rain drop
42%
SSE 13 km/h

Showers. Low 14°C. Winds SSE at 10 to 15 km/h. Chance of rain 40%.

  • Humidity
    Humidity69%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise14:09
  • Moonset
    Moonset02:17
  • Moon Phase - Day 8 Waxing Gibbous

Mon 25

Showers Showers
26°/15°
Rain drop 40%
Add

Day

26°
Showers
Rain drop
40%
SSE 16 km/h

Showers. High 26°C. Winds SSE at 10 to 15 km/h. Chance of rain 40%.

  • Humidity
    Humidity53%
  • UV index
    UV Index8 of 11
  • Sunrise
    Sunrise05:49
  • Sunset
    Sunset20:23

Night

15°
Showers
Rain drop
43%
SSE 13 km/h

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

  • Humidity
    Humidity70%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise15:12
  • Moonset
    Moonset02:39
  • Moon Phase - Day 9 Waxing Gibbous

Tue 26

Showers Showers
26°/16°
Rain drop 38%
Add

Day

26°
Showers
Rain drop
38%
S 15 km/h

Showers. High 26°C. Winds S at 10 to 15 km/h. Chance of rain 40%.

  • Humidity
    Humidity56%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise05:49
  • Sunset
    Sunset20:24

Night

16°
Mostly Cloudy Night
Rain drop
24%
SSE 13 km/h

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

  • Humidity
    Humidity72%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise16:14
  • Moonset
    Moonset03:01
  • Moon Phase - Day 10 Waxing Gibbous

Wed 27

Scattered Showers Day PM Showers
27°/16°
Rain drop 36%
Add

Day

27°
Scattered Showers Day
Rain drop
36%
SSW 13 km/h

Afternoon showers. High 27°C. Winds SSW at 10 to 15 km/h. Chance of rain 40%.

  • Humidity
    Humidity56%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise05:48
  • Sunset
    Sunset20:25

Night

16°
Scattered Showers Night
Rain drop
36%
S 11 km/h

Showers late at night. Low 16°C. Winds S at 10 to 15 km/h. Chance of rain 40%.

  • Humidity
    Humidity71%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise17:16
  • Moonset
    Moonset03:24
  • Moon Phase - Day 11 Waxing Gibbous

Thu 28

Scattered Showers Day AM Showers
28°/16°
Rain drop 35%
Add

Day

28°
Scattered Showers Day
Rain drop
35%
SW 13 km/h

Morning showers. High 28°C. Winds SW at 10 to 15 km/h. Chance of rain 40%.

  • Humidity
    Humidity54%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise05:48
  • Sunset
    Sunset20:26

Night

16°
Scattered Showers Night
Rain drop
34%
SSW 12 km/h

Showers early. Low 16°C. Winds SSW at 10 to 15 km/h. Chance of rain 30%.

  • Humidity
    Humidity69%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise18:18
  • Moonset
    Moonset03:48
  • Moon Phase - Day 12 Waxing Gibbous
Advertisement
Advertisement