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

10-Day Weather-

As of 18:16 EST
alertLevel3

Small Craft Advisory

Tonight

Mostly Cloudy Night Mostly Cloudy
--/15°
Rain drop 24%
Subtract

Night

15°
Mostly Cloudy Night
Rain drop
24%
SW 19 km/h

Mostly cloudy. Low 15°C. Winds SW at 15 to 25 km/h.

  • Humidity
    Humidity79%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise22:48
  • Moonset
    Moonset08:13
  • Moon Phase - Day 19 Waning Gibbous

Sun 08

Cloudy Cloudy
21°/4°
Rain drop 16%
Add

Day

21°
Cloudy
Rain drop
16%
W 16 km/h

A shower is possible early. Cloudy. High 21°C. Winds W at 10 to 15 km/h.

  • Humidity
    Humidity68%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise07:31
  • Sunset
    Sunset19:09

Night

4°
Mostly Clear Night
Mixed precipitation
5%
NW 11 km/h

Generally clear. Low 4°C. Winds NW at 10 to 15 km/h.

  • Humidity
    Humidity67%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise--
  • Moonset
    Moonset09:41
  • Moon Phase - Day 19 Waning Gibbous

Mon 09

Sunny Sunny
23°/6°
Rain drop 6%
Add

Day

23°
Sunny
Rain drop
6%
SSW 11 km/h

Generally clear. High 23°C. Winds SSW at 10 to 15 km/h.

  • Humidity
    Humidity51%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise07:30
  • Sunset
    Sunset19:10

Night

6°
Clear Night
Rain drop
7%
SW 8 km/h

Generally clear. Low 6°C. Winds light and variable.

  • Humidity
    Humidity71%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise00:50
  • Moonset
    Moonset10:14
  • Moon Phase - Day 20 Waning Gibbous

Tue 10

Sunny Sunny
28°/12°
Rain drop 7%
Add

Day

28°
Sunny
Rain drop
7%
SSW 11 km/h

Generally clear. Near record high temperatures. High 28°C. Winds SSW at 10 to 15 km/h.

  • Humidity
    Humidity51%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise07:28
  • Sunset
    Sunset19:11

Night

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

Generally clear. Low 12°C. Winds light and variable.

  • Humidity
    Humidity67%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise01:52
  • Moonset
    Moonset10:53
  • Moon Phase - Day 21 Waning Gibbous

Wed 11

Mostly Cloudy Day Mostly Cloudy
27°/8°
Rain drop 20%
Add

Day

27°
Mostly Cloudy Day
Rain drop
20%
SSW 20 km/h

Mostly cloudy. Near record high temperatures. High 27°C. Winds SSW at 15 to 25 km/h.

  • Humidity
    Humidity63%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise07:27
  • Sunset
    Sunset19:12

Night

8°
Rain
Rain drop
73%
SW 22 km/h

Rain developing late. Low 8°C. Winds SW at 15 to 30 km/h. Chance of rain 70%.

  • Humidity
    Humidity68%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise02:49
  • Moonset
    Moonset11:40
  • Moon Phase - Day 22 Last Quarter

Thu 12

Rain AM Rain
11°/-1°
Rain drop 76%
Add

Day

11°
Rain
Rain drop
76%
NW 28 km/h

Cloudy, with morning rain. High 11°C. Winds NW at 25 to 40 km/h. Chance of rain 80%.

  • Humidity
    Humidity47%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise07:25
  • Sunset
    Sunset19:13

Night

-1°
Partly Cloudy Night
Mixed precipitation
3%
WNW 22 km/h

Partly cloudy. Low -1°C. Winds WNW at 15 to 30 km/h.

  • Humidity
    Humidity47%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise03:42
  • Moonset
    Moonset12:34
  • Moon Phase - Day 23 Waning Crescent

Fri 13

Partly Cloudy Day Partly Cloudy
13°/6°
Rain drop 1%
Add

Day

13°
Partly Cloudy Day
Rain drop
1%
S 24 km/h

Partly cloudy. High 13°C. Winds S at 15 to 30 km/h.

  • Humidity
    Humidity43%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise07:24
  • Sunset
    Sunset19:14

Night

6°
Partly Cloudy Night
Rain drop
10%
SW 23 km/h

Partly cloudy. Low 6°C. Winds SW at 15 to 30 km/h.

  • Humidity
    Humidity55%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise04:27
  • Moonset
    Moonset13:34
  • Moon Phase - Day 24 Waning Crescent

Sat 14

Partly Cloudy Day Partly Cloudy
16°/6°
Rain drop 2%
Add

Day

16°
Partly Cloudy Day
Rain drop
2%
WNW 12 km/h

Partly cloudy. High 16°C. Winds WNW at 10 to 15 km/h.

  • Humidity
    Humidity50%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise07:22
  • Sunset
    Sunset19:15

Night

6°
Mostly Cloudy Night
Rain drop
11%
NNE 11 km/h

Mostly cloudy. Low 6°C. Winds NNE at 10 to 15 km/h.

  • Humidity
    Humidity56%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise05:06
  • Moonset
    Moonset14:38
  • Moon Phase - Day 25 Waning Crescent

Sun 15

Mostly Cloudy Day Mostly Cloudy
13°/8°
Rain drop 16%
Add

Day

13°
Mostly Cloudy Day
Rain drop
16%
ESE 16 km/h

Mostly cloudy. High 13°C. Winds ESE at 10 to 15 km/h.

  • Humidity
    Humidity56%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise07:20
  • Sunset
    Sunset19:16

Night

8°
Scattered Showers Night
Rain drop
57%
SSE 18 km/h

Showers late at night. Low 8°C. Winds SSE at 15 to 25 km/h. Chance of rain 60%.

  • Humidity
    Humidity76%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise05:40
  • Moonset
    Moonset15:46
  • Moon Phase - Day 26 Waning Crescent

Mon 16

Showers Showers
12°/1°
Rain drop 57%
Add

Day

12°
Showers
Rain drop
57%
W 22 km/h

Showers. High 12°C. Winds W at 15 to 30 km/h. Chance of rain 60%.

  • Humidity
    Humidity72%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise07:19
  • Sunset
    Sunset19:17

Night

1°
Partly Cloudy Night
Mixed precipitation
24%
NW 17 km/h

Partly cloudy. Low 1°C. Winds NW at 15 to 25 km/h.

  • Humidity
    Humidity59%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise06:08
  • Moonset
    Moonset16:53
  • Moon Phase - Day 27 Waning Crescent

Tue 17

Partly Cloudy Day Partly Cloudy
5°/-3°
Rain drop 16%
Add

Day

5°
Partly Cloudy Day
Rain drop
16%
NW 16 km/h

Partly cloudy. High 5°C. Winds NW at 10 to 15 km/h.

  • Humidity
    Humidity51%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise07:17
  • Sunset
    Sunset19:18

Night

-3°
Partly Cloudy Night
Mixed precipitation
14%
NNW 12 km/h

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

  • Humidity
    Humidity54%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise06:33
  • Moonset
    Moonset18:02
  • Moon Phase - Day 28 Waning Crescent

Wed 18

Partly Cloudy Day Partly Cloudy
6°/-2°
Rain drop 11%
Add

Day

6°
Partly Cloudy Day
Rain drop
11%
NNW 12 km/h

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

  • Humidity
    Humidity47%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise07:16
  • Sunset
    Sunset19:19

Night

-2°
Partly Cloudy Night
Mixed precipitation
18%
SSE 11 km/h

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

  • Humidity
    Humidity59%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise06:58
  • Moonset
    Moonset19:11
  • Moon Phase - Day 29 New

Thu 19

Mostly Cloudy Day Mostly Cloudy
10°/2°
Rain drop 18%
Add

Day

10°
Mostly Cloudy Day
Rain drop
18%
SW 12 km/h

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

  • Humidity
    Humidity52%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise07:14
  • Sunset
    Sunset19:20

Night

2°
Partly Cloudy Night
Mixed precipitation
21%
ESE 9 km/h

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

  • Humidity
    Humidity65%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise07:22
  • Moonset
    Moonset20:22
  • Moon Phase - Day 0 New

Fri 20

Partly Cloudy Day Partly Cloudy
12°/4°
Rain drop 24%
Add

Day

12°
Partly Cloudy Day
Rain drop
24%
NNE 13 km/h

Partly cloudy. High 12°C. Winds NNE at 10 to 15 km/h.

  • Humidity
    Humidity60%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise07:13
  • Sunset
    Sunset19:21

Night

4°
Partly Cloudy Night
Mixed precipitation
24%
SSE 11 km/h

Partly cloudy. Low 4°C. Winds SSE at 10 to 15 km/h.

  • Humidity
    Humidity70%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise07:48
  • Moonset
    Moonset21:36
  • Moon Phase - Day 2 Waxing Crescent

Sat 21

Partly Cloudy Day Partly Cloudy
13°/5°
Rain drop 24%
Add

Day

13°
Partly Cloudy Day
Rain drop
24%
WSW 16 km/h

Partly cloudy. High 13°C. Winds WSW at 10 to 15 km/h.

  • Humidity
    Humidity64%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise07:11
  • Sunset
    Sunset19:22

Night

5°
Mostly Cloudy Night
Rain drop
15%
WNW 12 km/h

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

  • Humidity
    Humidity67%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise08:17
  • Moonset
    Moonset22:52
  • Moon Phase - Day 3 Waxing Crescent
Advertisement
Advertisement