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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 20:32 EST
alertLevel3

Small Craft Advisory

Tonight

Rain Rain
--/11°
Rain drop 82%
Subtract

Night

11°
Rain
Rain drop
82%
SW 12 km/h

Rain. Thunder possible. Low 11°C. Winds SW at 10 to 15 km/h. Chance of rain 80%.

  • Humidity
    Humidity79%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise18:35
  • Moonset
    Moonset09:31
  • Moon Phase - Day 17 Waning Gibbous

Sat 08

Mostly Clear Day Mostly Sunny
21°/9°
Rain drop 9%
Add

Day

21°
Mostly Clear Day
Rain drop
9%
WNW 12 km/h

Generally clear. High 21°C. Winds WNW at 10 to 15 km/h.

  • Humidity
    Humidity57%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise06:45
  • Sunset
    Sunset17:01

Night

9°
Partly Cloudy Night
Rain drop
11%
SSE 7 km/h

Partly cloudy. Low 9°C. Winds light and variable.

  • Humidity
    Humidity82%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise19:40
  • Moonset
    Moonset10:41
  • Moon Phase - Day 18 Waning Gibbous

Sun 09

Scattered Showers Day AM Showers
20°/4°
Rain drop 44%
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Day

20°
Scattered Showers Day
Rain drop
44%
SSW 20 km/h

Morning showers. High 20°C. Winds SSW at 15 to 25 km/h. Chance of rain 40%.

  • Humidity
    Humidity68%
  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise06:46
  • Sunset
    Sunset17:00

Night

4°
Partly Cloudy Night
Mixed precipitation
23%
NW 22 km/h

Partly cloudy. Slight chance of a rain shower. Low 4°C. Winds NW at 15 to 30 km/h.

  • Humidity
    Humidity64%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise20:53
  • Moonset
    Moonset11:38
  • Moon Phase - Day 19 Waning Gibbous

Mon 10

Partly Cloudy Day Partly Cloudy
8°/-2°
Rain drop 3%
Add

Day

8°
Partly Cloudy Day
Rain drop
3%
NW 29 km/h

Partly cloudy. High 8°C. Winds NW at 25 to 40 km/h. Higher wind gusts possible.

  • Humidity
    Humidity46%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise06:47
  • Sunset
    Sunset16:59

Night

-2°
Partly Cloudy Night
Mixed precipitation
3%
WNW 17 km/h

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

  • Humidity
    Humidity57%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise22:06
  • Moonset
    Moonset12:24
  • Moon Phase - Day 20 Waning Gibbous

Tue 11

Mostly Clear Day Mostly Sunny
8°/1°
Rain drop 0%
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Day

8°
Mostly Clear Day
W 26 km/h

Generally clear. High 8°C. Winds W at 15 to 30 km/h.

  • Humidity
    Humidity39%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise06:48
  • Sunset
    Sunset16:58

Night

1°
Partly Cloudy Night
Mixed precipitation
4%
SW 13 km/h

Partly cloudy. Low 1°C. Winds SW at 10 to 15 km/h.

  • Humidity
    Humidity54%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise23:17
  • Moonset
    Moonset12:58
  • Moon Phase - Day 21 Waning Gibbous

Wed 12

Partly Cloudy Day Partly Cloudy
16°/5°
Rain drop 0%
Add

Day

16°
Partly Cloudy Day
SW 20 km/h

Partly cloudy. High 16°C. Winds SW at 15 to 25 km/h.

  • Humidity
    Humidity39%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise06:49
  • Sunset
    Sunset16:57

Night

5°
Mostly Clear Night
Rain drop
2%
W 13 km/h

Generally clear. Low 5°C. Winds W at 10 to 15 km/h.

  • Humidity
    Humidity60%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise--
  • Moonset
    Moonset13:26
  • Moon Phase - Day 22 Last Quarter

Thu 13

Partly Cloudy Day Partly Cloudy
15°/2°
Rain drop 1%
Add

Day

15°
Partly Cloudy Day
Rain drop
1%
WNW 24 km/h

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

  • Humidity
    Humidity38%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise06:50
  • Sunset
    Sunset16:56

Night

2°
Mostly Clear Night
Mixed precipitation
2%
WNW 11 km/h

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

  • Humidity
    Humidity56%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise00:24
  • Moonset
    Moonset13:50
  • Moon Phase - Day 23 Waning Crescent

Fri 14

Partly Cloudy Day Partly Cloudy
15°/2°
Rain drop 2%
Add

Day

15°
Partly Cloudy Day
Rain drop
2%
WNW 18 km/h

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

  • Humidity
    Humidity39%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise06:51
  • Sunset
    Sunset16:56

Night

2°
Mostly Clear Night
Mixed precipitation
6%
WNW 7 km/h

Generally clear. Low 2°C. Winds light and variable.

  • Humidity
    Humidity61%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise01:26
  • Moonset
    Moonset14:12
  • Moon Phase - Day 24 Waning Crescent

Sat 15

Partly Cloudy Day Partly Cloudy
16°/7°
Rain drop 9%
Add

Day

16°
Partly Cloudy Day
Rain drop
9%
SW 15 km/h

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

  • Humidity
    Humidity44%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise06:52
  • Sunset
    Sunset16:55

Night

7°
Showers
Rain drop
44%
SW 13 km/h

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

  • Humidity
    Humidity70%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise02:28
  • Moonset
    Moonset14:33
  • Moon Phase - Day 25 Waning Crescent

Sun 16

Partly Cloudy Day Partly Cloudy
17°/7°
Rain drop 16%
Add

Day

17°
Partly Cloudy Day
Rain drop
16%
WSW 22 km/h

Partly cloudy. High 17°C. Winds WSW at 15 to 30 km/h.

  • Humidity
    Humidity57%
  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise06:54
  • Sunset
    Sunset16:54

Night

7°
Partly Cloudy Night
Rain drop
17%
W 14 km/h

Partly cloudy. Low 7°C. Winds W at 10 to 15 km/h.

  • Humidity
    Humidity69%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise03:27
  • Moonset
    Moonset14:54
  • Moon Phase - Day 26 Waning Crescent

Mon 17

Partly Cloudy Day Partly Cloudy
15°/4°
Rain drop 16%
Add

Day

15°
Partly Cloudy Day
Rain drop
16%
WNW 20 km/h

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

  • Humidity
    Humidity54%
  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise06:55
  • Sunset
    Sunset16:54

Night

4°
Partly Cloudy Night
Mixed precipitation
16%
NW 11 km/h

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

  • Humidity
    Humidity70%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise04:28
  • Moonset
    Moonset15:16
  • Moon Phase - Day 27 Waning Crescent

Tue 18

Partly Cloudy Day Partly Cloudy
13°/4°
Rain drop 24%
Add

Day

13°
Partly Cloudy Day
Rain drop
24%
WNW 15 km/h

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

  • Humidity
    Humidity53%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise06:56
  • Sunset
    Sunset16:53

Night

4°
Partly Cloudy Night
Mixed precipitation
10%
NNW 9 km/h

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

  • Humidity
    Humidity69%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise05:28
  • Moonset
    Moonset15:41
  • Moon Phase - Day 28 Waning Crescent

Wed 19

Mostly Cloudy Day Mostly Cloudy
14°/6°
Rain drop 15%
Add

Day

14°
Mostly Cloudy Day
Rain drop
15%
WSW 15 km/h

Mostly cloudy. High 14°C. Winds WSW at 10 to 15 km/h.

  • Humidity
    Humidity55%
  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise06:57
  • Sunset
    Sunset16:52

Night

6°
Scattered Showers Night
Rain drop
37%
WSW 9 km/h

Showers late at night. Low 6°C. Winds light and variable. Chance of rain 40%.

  • Humidity
    Humidity73%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise06:30
  • Moonset
    Moonset16:11
  • Moon Phase - Day 29 New

Thu 20

Showers Showers
14°/4°
Rain drop 42%
Add

Day

14°
Showers
Rain drop
42%
W 18 km/h

Showers. High 14°C. Winds W at 15 to 25 km/h. Chance of rain 40%.

  • Humidity
    Humidity57%
  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise06:58
  • Sunset
    Sunset16:52

Night

4°
Scattered Showers Night
Rain drop
36%
WNW 13 km/h

Showers late at night. Low 4°C. Winds WNW at 10 to 15 km/h. Chance of rain 40%.

  • Humidity
    Humidity73%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise07:31
  • Moonset
    Moonset16:46
  • Moon Phase - Day 0 New

Fri 21

Scattered Showers Day AM Showers
13°/3°
Rain drop 38%
Add

Day

13°
Scattered Showers Day
Rain drop
38%
WNW 16 km/h

Morning showers. High 13°C. Winds WNW at 10 to 15 km/h. Chance of rain 40%.

  • Humidity
    Humidity56%
  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise06:59
  • Sunset
    Sunset16:51

Night

3°
Partly Cloudy Night
Mixed precipitation
24%
NW 11 km/h

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

  • Humidity
    Humidity72%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise08:32
  • Moonset
    Moonset17:28
  • Moon Phase - Day 1 Waxing Crescent
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