Hourly Weather Forecast for Herndon, Virginia 20170, United States - The Weather Channel | Weather.com
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Hourly Weather-

As of 23:46 EDT
alertLevel3

Small Craft Advisory

Friday, 15 May

00:00

Cloudy Cloudy
12°
Rain drop 1%
NW 13 km/h
Subtract

Cloudy

  • Temperature feels like
    Feels Like10°
  • WindNW 13 km/h
  • Humidity
    Humidity64%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover91%
  • Rain drop
    Rain Amount0 mm

01:00

Mostly Cloudy Night Mostly Cloudy
11°
Rain drop 1%
NW 12 km/h
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like10°
  • WindNW 12 km/h
  • Humidity
    Humidity68%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover76%
  • Rain drop
    Rain Amount0 mm

02:00

Mostly Cloudy Night Mostly Cloudy
11°
Rain drop 1%
NW 12 km/h
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like9°
  • WindNW 12 km/h
  • Humidity
    Humidity68%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover73%
  • Rain drop
    Rain Amount0 mm

03:00

Partly Cloudy Night Partly Cloudy
10°
Rain drop 1%
NW 12 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like8°
  • WindNW 12 km/h
  • Humidity
    Humidity72%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover47%
  • Rain drop
    Rain Amount0 mm

04:00

Mostly Cloudy Night Mostly Cloudy
10°
Rain drop 1%
NW 12 km/h
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like8°
  • WindNW 12 km/h
  • Humidity
    Humidity70%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover61%
  • Rain drop
    Rain Amount0 mm

05:00

Mostly Cloudy Night Mostly Cloudy
10°
Rain drop 2%
NW 11 km/h
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like8°
  • WindNW 11 km/h
  • Humidity
    Humidity69%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover64%
  • Rain drop
    Rain Amount0 mm
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06:00

Partly Cloudy Day Partly Cloudy
10°
Rain drop 2%
NW 11 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like8°
  • WindNW 11 km/h
  • Humidity
    Humidity70%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover58%
  • Rain drop
    Rain Amount0 mm

07:00

Partly Cloudy Day Partly Cloudy
11°
Rain drop 2%
NW 14 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like9°
  • WindNW 14 km/h
  • Humidity
    Humidity67%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover54%
  • Rain drop
    Rain Amount0 mm

08:00

Mostly Clear Day Mostly Sunny
12°
Rain drop 1%
NW 18 km/h
Add

Mostly Sunny

  • Temperature feels like
    Feels Like10°
  • WindNW 18 km/h
  • Humidity
    Humidity62%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover26%
  • Rain drop
    Rain Amount0 mm

09:00

Partly Cloudy Day Partly Cloudy
14°
Rain drop 2%
NNW 19 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like12°
  • WindNNW 19 km/h
  • Humidity
    Humidity56%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover32%
  • Rain drop
    Rain Amount0 mm

10:00

Mostly Clear Day Mostly Sunny
15°
Rain drop 0%
NW 20 km/h
Add

Mostly Sunny

  • Temperature feels like
    Feels Like13°
  • WindNW 20 km/h
  • Humidity
    Humidity52%
  • UV index
    UV Index4 of 11
  • Cloud
    Cloud Cover21%
  • Rain drop
    Rain Amount0 mm

11:00

Mostly Clear Day Mostly Sunny
16°
Rain drop 0%
NW 18 km/h
Add

Mostly Sunny

  • Temperature feels like
    Feels Like15°
  • WindNW 18 km/h
  • Humidity
    Humidity47%
  • UV index
    UV Index6 of 11
  • Cloud
    Cloud Cover29%
  • Rain drop
    Rain Amount0 mm

12:00

Partly Cloudy Day Partly Cloudy
18°
Rain drop 0%
NW 18 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like17°
  • WindNW 18 km/h
  • Humidity
    Humidity43%
  • UV index
    UV Index8 of 11
  • Cloud
    Cloud Cover30%
  • Rain drop
    Rain Amount0 mm

13:00

Partly Cloudy Day Partly Cloudy
19°
Rain drop 0%
NW 18 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like19°
  • WindNW 18 km/h
  • Humidity
    Humidity40%
  • UV index
    UV Index9 of 11
  • Cloud
    Cloud Cover40%
  • Rain drop
    Rain Amount0 mm

14:00

Partly Cloudy Day Partly Cloudy
20°
Rain drop 0%
NW 18 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like20°
  • WindNW 18 km/h
  • Humidity
    Humidity37%
  • UV index
    UV Index8 of 11
  • Cloud
    Cloud Cover32%
  • Rain drop
    Rain Amount0 mm

15:00

Mostly Clear Day Mostly Sunny
21°
Rain drop 0%
WNW 17 km/h
Add

Mostly Sunny

  • Temperature feels like
    Feels Like21°
  • WindWNW 17 km/h
  • Humidity
    Humidity34%
  • UV index
    UV Index7 of 11
  • Cloud
    Cloud Cover25%
  • Rain drop
    Rain Amount0 mm

16:00

Partly Cloudy Day Partly Cloudy
21°
Rain drop 0%
NW 17 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like21°
  • WindNW 17 km/h
  • Humidity
    Humidity34%
  • UV index
    UV Index5 of 11
  • Cloud
    Cloud Cover38%
  • Rain drop
    Rain Amount0 mm

17:00

Mostly Clear Day Mostly Sunny
22°
Rain drop 0%
NW 16 km/h
Add

Mostly Sunny

  • Temperature feels like
    Feels Like22°
  • WindNW 16 km/h
  • Humidity
    Humidity34%
  • UV index
    UV Index3 of 11
  • Cloud
    Cloud Cover28%
  • Rain drop
    Rain Amount0 mm
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18:00

Partly Cloudy Day Partly Cloudy
22°
Rain drop 0%
WNW 15 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like22°
  • WindWNW 15 km/h
  • Humidity
    Humidity34%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover42%
  • Rain drop
    Rain Amount0 mm

19:00

Partly Cloudy Day Partly Cloudy
21°
Rain drop 0%
WNW 11 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like21°
  • WindWNW 11 km/h
  • Humidity
    Humidity37%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover45%
  • Rain drop
    Rain Amount0 mm

20:00

Partly Cloudy Day Partly Cloudy
19°
Rain drop 0%
WNW 6 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like19°
  • WindWNW 6 km/h
  • Humidity
    Humidity42%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover47%
  • Rain drop
    Rain Amount0 mm

21:00

Mostly Cloudy Night Mostly Cloudy
18°
Rain drop 0%
WNW 5 km/h
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like18°
  • WindWNW 5 km/h
  • Humidity
    Humidity48%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover61%
  • Rain drop
    Rain Amount0 mm

22:00

Partly Cloudy Night Partly Cloudy
17°
Rain drop 1%
W 4 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like17°
  • WindW 4 km/h
  • Humidity
    Humidity54%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover56%
  • Rain drop
    Rain Amount0 mm

23:00

Partly Cloudy Night Partly Cloudy
15°
Rain drop 1%
WSW 5 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like15°
  • WindWSW 5 km/h
  • Humidity
    Humidity59%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover30%
  • Rain drop
    Rain Amount0 mm

Saturday, 16 May

00:00

Mostly Clear Night Mostly Clear
14°
Rain drop 1%
WSW 5 km/h
Add

Mostly Clear

  • Temperature feels like
    Feels Like14°
  • WindWSW 5 km/h
  • Humidity
    Humidity66%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover25%
  • Rain drop
    Rain Amount0 mm

01:00

Clear Night Clear
12°
Rain drop 2%
SW 4 km/h
Add

Clear

  • Temperature feels like
    Feels Like12°
  • WindSW 4 km/h
  • Humidity
    Humidity73%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover19%
  • Rain drop
    Rain Amount0 mm

02:00

Clear Night Clear
12°
Rain drop 2%
SW 5 km/h
Add

Clear

  • Temperature feels like
    Feels Like12°
  • WindSW 5 km/h
  • Humidity
    Humidity73%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover12%
  • Rain drop
    Rain Amount0 mm

03:00

Clear Night Clear
11°
Rain drop 3%
SW 4 km/h
Add

Clear

  • Temperature feels like
    Feels Like11°
  • WindSW 4 km/h
  • Humidity
    Humidity74%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover12%
  • Rain drop
    Rain Amount0 mm

04:00

Clear Night Clear
11°
Rain drop 3%
SSW 4 km/h
Add

Clear

  • Temperature feels like
    Feels Like11°
  • WindSSW 4 km/h
  • Humidity
    Humidity72%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover7%
  • Rain drop
    Rain Amount0 mm

05:00

Clear Night Clear
11°
Rain drop 3%
SSW 3 km/h
Add

Clear

  • Temperature feels like
    Feels Like11°
  • WindSSW 3 km/h
  • Humidity
    Humidity75%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover9%
  • Rain drop
    Rain Amount0 mm
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06:00

Sunny Sunny
11°
Rain drop 4%
SSW 3 km/h
Add

Sunny

  • Temperature feels like
    Feels Like11°
  • WindSSW 3 km/h
  • Humidity
    Humidity76%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover3%
  • Rain drop
    Rain Amount0 mm

07:00

Sunny Sunny
12°
Rain drop 2%
S 3 km/h
Add

Sunny

  • Temperature feels like
    Feels Like12°
  • WindS 3 km/h
  • Humidity
    Humidity70%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover3%
  • Rain drop
    Rain Amount0 mm

08:00

Sunny Sunny
15°
Rain drop 1%
SSW 5 km/h
Add

Sunny

  • Temperature feels like
    Feels Like15°
  • WindSSW 5 km/h
  • Humidity
    Humidity63%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover4%
  • Rain drop
    Rain Amount0 mm

09:00

Sunny Sunny
18°
Rain drop 0%
SSW 7 km/h
Add

Sunny

  • Temperature feels like
    Feels Like18°
  • WindSSW 7 km/h
  • Humidity
    Humidity53%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover4%
  • Rain drop
    Rain Amount0 mm

10:00

Sunny Sunny
20°
Rain drop 0%
SSW 8 km/h
Add

Sunny

  • Temperature feels like
    Feels Like20°
  • WindSSW 8 km/h
  • Humidity
    Humidity47%
  • UV index
    UV Index4 of 11
  • Cloud
    Cloud Cover3%
  • Rain drop
    Rain Amount0 mm

11:00

Sunny Sunny
22°
Rain drop 0%
SSW 9 km/h
Add

Sunny

  • Temperature feels like
    Feels Like22°
  • WindSSW 9 km/h
  • Humidity
    Humidity41%
  • UV index
    UV Index6 of 11
  • Cloud
    Cloud Cover3%
  • Rain drop
    Rain Amount0 mm

12:00

Sunny Sunny
24°
Rain drop 0%
SSW 12 km/h
Add

Sunny

  • Temperature feels like
    Feels Like24°
  • WindSSW 12 km/h
  • Humidity
    Humidity36%
  • UV index
    UV Index8 of 11
  • Cloud
    Cloud Cover8%
  • Rain drop
    Rain Amount0 mm

13:00

Mostly Clear Day Mostly Sunny
26°
Rain drop 15%
SSW 13 km/h
Add

Mostly Sunny

  • Temperature feels like
    Feels Like26°
  • WindSSW 13 km/h
  • Humidity
    Humidity33%
  • UV index
    UV Index9 of 11
  • Cloud
    Cloud Cover26%
  • Rain drop
    Rain Amount0 mm

14:00

Mostly Clear Day Mostly Sunny
27°
Rain drop 15%
SSW 15 km/h
Add

Mostly Sunny

  • Temperature feels like
    Feels Like27°
  • WindSSW 15 km/h
  • Humidity
    Humidity30%
  • UV index
    UV Index8 of 11
  • Cloud
    Cloud Cover26%
  • Rain drop
    Rain Amount0 mm

15:00

Mostly Clear Day Mostly Sunny
28°
Rain drop 15%
SSW 16 km/h
Add

Mostly Sunny

  • Temperature feels like
    Feels Like28°
  • WindSSW 16 km/h
  • Humidity
    Humidity28%
  • UV index
    UV Index7 of 11
  • Cloud
    Cloud Cover27%
  • Rain drop
    Rain Amount0 mm

16:00

Partly Cloudy Day Partly Cloudy
29°
Rain drop 15%
SSW 17 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like29°
  • WindSSW 17 km/h
  • Humidity
    Humidity28%
  • UV index
    UV Index5 of 11
  • Cloud
    Cloud Cover49%
  • Rain drop
    Rain Amount0 mm

17:00

Partly Cloudy Day Partly Cloudy
28°
Rain drop 15%
SSW 17 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like28°
  • WindSSW 17 km/h
  • Humidity
    Humidity30%
  • UV index
    UV Index3 of 11
  • Cloud
    Cloud Cover38%
  • Rain drop
    Rain Amount0 mm
Advertisement

18:00

Partly Cloudy Day Partly Cloudy
28°
Rain drop 15%
SSW 18 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like28°
  • WindSSW 18 km/h
  • Humidity
    Humidity32%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover46%
  • Rain drop
    Rain Amount0 mm

19:00

Partly Cloudy Day Partly Cloudy
27°
Rain drop 0%
SSW 17 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like27°
  • WindSSW 17 km/h
  • Humidity
    Humidity34%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover46%
  • Rain drop
    Rain Amount0 mm

20:00

Partly Cloudy Day Partly Cloudy
26°
Rain drop 2%
SSW 15 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like26°
  • WindSSW 15 km/h
  • Humidity
    Humidity37%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover47%
  • Rain drop
    Rain Amount0 mm

21:00

Partly Cloudy Night Partly Cloudy
24°
Rain drop 2%
SSW 12 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like24°
  • WindSSW 12 km/h
  • Humidity
    Humidity43%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover48%
  • Rain drop
    Rain Amount0 mm

22:00

Partly Cloudy Night Partly Cloudy
23°
Rain drop 2%
SSW 10 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like23°
  • WindSSW 10 km/h
  • Humidity
    Humidity48%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover49%
  • Rain drop
    Rain Amount0 mm

23:00

Partly Cloudy Night Partly Cloudy
22°
Rain drop 4%
SSW 10 km/h
Add

Partly Cloudy

  • Temperature feels like
    Feels Like22°
  • WindSSW 10 km/h
  • Humidity
    Humidity53%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover42%
  • Rain drop
    Rain Amount0 mm
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