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

As of 11:23 EDT
alertLevel3

Small Craft Advisory

Friday, 29 May

12:00

Sunny Sunny
22°
Rain drop 0%
WNW 7 km/h
Subtract

Sunny

  • Temperature feels like
    Feels Like22°
  • WindWNW 7 km/h
  • Humidity
    Humidity40%
  • UV index
    UV Index8 of 11
  • Cloud
    Cloud Cover12%
  • Rain drop
    Rain Amount0 mm

13:00

Sunny Sunny
23°
Rain drop 0%
W 8 km/h
Add

Sunny

  • Temperature feels like
    Feels Like23°
  • WindW 8 km/h
  • Humidity
    Humidity39%
  • UV index
    UV Index9 of 11
  • Cloud
    Cloud Cover11%
  • Rain drop
    Rain Amount0 mm

14:00

Sunny Sunny
24°
Rain drop 0%
W 10 km/h
Add

Sunny

  • Temperature feels like
    Feels Like24°
  • WindW 10 km/h
  • Humidity
    Humidity38%
  • UV index
    UV Index8 of 11
  • Cloud
    Cloud Cover6%
  • Rain drop
    Rain Amount0 mm

15:00

Sunny Sunny
25°
Rain drop 0%
WSW 12 km/h
Add

Sunny

  • Temperature feels like
    Feels Like25°
  • WindWSW 12 km/h
  • Humidity
    Humidity38%
  • UV index
    UV Index7 of 11
  • Cloud
    Cloud Cover0%
  • Rain drop
    Rain Amount0 mm

16:00

Sunny Sunny
25°
Rain drop 0%
WSW 13 km/h
Add

Sunny

  • Temperature feels like
    Feels Like25°
  • WindWSW 13 km/h
  • Humidity
    Humidity38%
  • UV index
    UV Index5 of 11
  • Cloud
    Cloud Cover0%
  • Rain drop
    Rain Amount0 mm

17:00

Sunny Sunny
25°
Rain drop 0%
WSW 13 km/h
Add

Sunny

  • Temperature feels like
    Feels Like25°
  • WindWSW 13 km/h
  • Humidity
    Humidity40%
  • UV index
    UV Index3 of 11
  • Cloud
    Cloud Cover0%
  • Rain drop
    Rain Amount0 mm
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18:00

Sunny Sunny
26°
Rain drop 0%
WSW 13 km/h
Add

Sunny

  • Temperature feels like
    Feels Like26°
  • WindWSW 13 km/h
  • Humidity
    Humidity40%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover0%
  • Rain drop
    Rain Amount0 mm

19:00

Sunny Sunny
25°
Rain drop 0%
SW 12 km/h
Add

Sunny

  • Temperature feels like
    Feels Like25°
  • WindSW 12 km/h
  • Humidity
    Humidity42%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover2%
  • Rain drop
    Rain Amount0 mm

20:00

Sunny Sunny
23°
Rain drop 1%
SW 10 km/h
Add

Sunny

  • Temperature feels like
    Feels Like23°
  • WindSW 10 km/h
  • Humidity
    Humidity47%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover2%
  • Rain drop
    Rain Amount0 mm

21:00

Clear Night Clear
22°
Rain drop 1%
WSW 10 km/h
Add

Clear

  • Temperature feels like
    Feels Like22°
  • WindWSW 10 km/h
  • Humidity
    Humidity54%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover1%
  • Rain drop
    Rain Amount0 mm

22:00

Clear Night Clear
21°
Rain drop 2%
WSW 9 km/h
Add

Clear

  • Temperature feels like
    Feels Like21°
  • WindWSW 9 km/h
  • Humidity
    Humidity58%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover0%
  • Rain drop
    Rain Amount0 mm

23:00

Clear Night Clear
19°
Rain drop 1%
W 9 km/h
Add

Clear

  • Temperature feels like
    Feels Like19°
  • WindW 9 km/h
  • Humidity
    Humidity61%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover2%
  • Rain drop
    Rain Amount0 mm

Saturday, 30 May

00:00

Clear Night Clear
19°
Rain drop 1%
WNW 10 km/h
Add

Clear

  • Temperature feels like
    Feels Like19°
  • WindWNW 10 km/h
  • Humidity
    Humidity63%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover6%
  • Rain drop
    Rain Amount0 mm

01:00

Clear Night Clear
18°
Rain drop 1%
WNW 9 km/h
Add

Clear

  • Temperature feels like
    Feels Like18°
  • WindWNW 9 km/h
  • Humidity
    Humidity65%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover5%
  • Rain drop
    Rain Amount0 mm

02:00

Clear Night Clear
17°
Rain drop 1%
WNW 10 km/h
Add

Clear

  • Temperature feels like
    Feels Like17°
  • WindWNW 10 km/h
  • Humidity
    Humidity65%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover3%
  • Rain drop
    Rain Amount0 mm

03:00

Clear Night Clear
17°
Rain drop 1%
WNW 10 km/h
Add

Clear

  • Temperature feels like
    Feels Like17°
  • WindWNW 10 km/h
  • Humidity
    Humidity65%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover5%
  • Rain drop
    Rain Amount0 mm

04:00

Clear Night Clear
17°
Rain drop 2%
NW 10 km/h
Add

Clear

  • Temperature feels like
    Feels Like17°
  • WindNW 10 km/h
  • Humidity
    Humidity64%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover1%
  • Rain drop
    Rain Amount0 mm

05:00

Clear Night Clear
17°
Rain drop 2%
NW 11 km/h
Add

Clear

  • Temperature feels like
    Feels Like17°
  • WindNW 11 km/h
  • Humidity
    Humidity62%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover17%
  • Rain drop
    Rain Amount0 mm
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06:00

Mostly Clear Day Mostly Sunny
17°
Rain drop 2%
NNW 11 km/h
Add

Mostly Sunny

  • Temperature feels like
    Feels Like16°
  • WindNNW 11 km/h
  • Humidity
    Humidity61%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover25%
  • Rain drop
    Rain Amount0 mm

07:00

Mostly Clear Day Mostly Sunny
17°
Rain drop 1%
NNW 13 km/h
Add

Mostly Sunny

  • Temperature feels like
    Feels Like16°
  • WindNNW 13 km/h
  • Humidity
    Humidity59%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover21%
  • Rain drop
    Rain Amount0 mm

08:00

Sunny Sunny
18°
Rain drop 1%
NNW 16 km/h
Add

Sunny

  • Temperature feels like
    Feels Like18°
  • WindNNW 16 km/h
  • Humidity
    Humidity51%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover13%
  • Rain drop
    Rain Amount0 mm

09:00

Sunny Sunny
18°
Rain drop 0%
N 18 km/h
Add

Sunny

  • Temperature feels like
    Feels Like18°
  • WindN 18 km/h
  • Humidity
    Humidity48%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover7%
  • Rain drop
    Rain Amount0 mm

10:00

Sunny Sunny
19°
Rain drop 0%
N 18 km/h
Add

Sunny

  • Temperature feels like
    Feels Like19°
  • WindN 18 km/h
  • Humidity
    Humidity45%
  • UV index
    UV Index4 of 11
  • Cloud
    Cloud Cover3%
  • Rain drop
    Rain Amount0 mm

11:00

Sunny Sunny
19°
Rain drop 0%
NNW 21 km/h
Add

Sunny

  • Temperature feels like
    Feels Like19°
  • WindNNW 21 km/h
  • Humidity
    Humidity43%
  • UV index
    UV Index6 of 11
  • Cloud
    Cloud Cover0%
  • Rain drop
    Rain Amount0 mm

12:00

Sunny Sunny
20°
Rain drop 0%
NNW 20 km/h
Add

Sunny

  • Temperature feels like
    Feels Like20°
  • WindNNW 20 km/h
  • Humidity
    Humidity40%
  • UV index
    UV Index8 of 11
  • Cloud
    Cloud Cover0%
  • Rain drop
    Rain Amount0 mm

13:00

Sunny Sunny
21°
Rain drop 0%
N 20 km/h
Add

Sunny

  • Temperature feels like
    Feels Like21°
  • WindN 20 km/h
  • Humidity
    Humidity39%
  • UV index
    UV Index9 of 11
  • Cloud
    Cloud Cover1%
  • Rain drop
    Rain Amount0 mm

14:00

Sunny Sunny
21°
Rain drop 0%
N 20 km/h
Add

Sunny

  • Temperature feels like
    Feels Like21°
  • WindN 20 km/h
  • Humidity
    Humidity38%
  • UV index
    UV Index8 of 11
  • Cloud
    Cloud Cover8%
  • Rain drop
    Rain Amount0 mm

15:00

Sunny Sunny
22°
Rain drop 0%
N 20 km/h
Add

Sunny

  • Temperature feels like
    Feels Like22°
  • WindN 20 km/h
  • Humidity
    Humidity36%
  • UV index
    UV Index7 of 11
  • Cloud
    Cloud Cover9%
  • Rain drop
    Rain Amount0 mm

16:00

Sunny Sunny
22°
Rain drop 0%
N 21 km/h
Add

Sunny

  • Temperature feels like
    Feels Like22°
  • WindN 21 km/h
  • Humidity
    Humidity35%
  • UV index
    UV Index5 of 11
  • Cloud
    Cloud Cover5%
  • Rain drop
    Rain Amount0 mm

17:00

Sunny Sunny
21°
Rain drop 0%
NNE 20 km/h
Add

Sunny

  • Temperature feels like
    Feels Like21°
  • WindNNE 20 km/h
  • Humidity
    Humidity36%
  • UV index
    UV Index3 of 11
  • Cloud
    Cloud Cover7%
  • Rain drop
    Rain Amount0 mm
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18:00

Sunny Sunny
21°
Rain drop 0%
NNE 20 km/h
Add

Sunny

  • Temperature feels like
    Feels Like21°
  • WindNNE 20 km/h
  • Humidity
    Humidity37%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover5%
  • Rain drop
    Rain Amount0 mm

19:00

Sunny Sunny
20°
Rain drop 0%
NNE 17 km/h
Add

Sunny

  • Temperature feels like
    Feels Like20°
  • WindNNE 17 km/h
  • Humidity
    Humidity38%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover2%
  • Rain drop
    Rain Amount0 mm

20:00

Sunny Sunny
19°
Rain drop 0%
NNE 13 km/h
Add

Sunny

  • Temperature feels like
    Feels Like19°
  • WindNNE 13 km/h
  • Humidity
    Humidity42%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover2%
  • Rain drop
    Rain Amount0 mm

21:00

Clear Night Clear
17°
Rain drop 0%
NNE 10 km/h
Add

Clear

  • Temperature feels like
    Feels Like17°
  • WindNNE 10 km/h
  • Humidity
    Humidity49%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover0%
  • Rain drop
    Rain Amount0 mm

22:00

Clear Night Clear
16°
Rain drop 1%
NNE 9 km/h
Add

Clear

  • Temperature feels like
    Feels Like16°
  • WindNNE 9 km/h
  • Humidity
    Humidity54%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover0%
  • Rain drop
    Rain Amount0 mm

23:00

Clear Night Clear
15°
Rain drop 1%
NNE 9 km/h
Add

Clear

  • Temperature feels like
    Feels Like14°
  • WindNNE 9 km/h
  • Humidity
    Humidity58%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover6%
  • Rain drop
    Rain Amount0 mm

Sunday, 31 May

00:00

Clear Night Clear
13°
Rain drop 1%
NNE 9 km/h
Add

Clear

  • Temperature feels like
    Feels Like13°
  • WindNNE 9 km/h
  • Humidity
    Humidity63%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover0%
  • Rain drop
    Rain Amount0 mm

01:00

Clear Night Clear
12°
Rain drop 1%
N 7 km/h
Add

Clear

  • Temperature feels like
    Feels Like12°
  • WindN 7 km/h
  • Humidity
    Humidity67%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover1%
  • Rain drop
    Rain Amount0 mm

02:00

Clear Night Clear
11°
Rain drop 2%
N 6 km/h
Add

Clear

  • Temperature feels like
    Feels Like11°
  • WindN 6 km/h
  • Humidity
    Humidity69%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover1%
  • Rain drop
    Rain Amount0 mm

03:00

Clear Night Clear
11°
Rain drop 3%
N 6 km/h
Add

Clear

  • Temperature feels like
    Feels Like11°
  • WindN 6 km/h
  • Humidity
    Humidity72%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover1%
  • Rain drop
    Rain Amount0 mm

04:00

Clear Night Clear
11°
Rain drop 3%
N 5 km/h
Add

Clear

  • Temperature feels like
    Feels Like10°
  • WindN 5 km/h
  • Humidity
    Humidity74%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover0%
  • Rain drop
    Rain Amount0 mm

05:00

Clear Night Clear
10°
Rain drop 4%
N 5 km/h
Add

Clear

  • Temperature feels like
    Feels Like10°
  • WindN 5 km/h
  • Humidity
    Humidity76%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover0%
  • Rain drop
    Rain Amount0 mm
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06:00

Sunny Sunny
10°
Rain drop 4%
NNW 3 km/h
Add

Sunny

  • Temperature feels like
    Feels Like10°
  • WindNNW 3 km/h
  • Humidity
    Humidity79%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover0%
  • Rain drop
    Rain Amount0 mm

07:00

Sunny Sunny
11°
Rain drop 2%
NNW 4 km/h
Add

Sunny

  • Temperature feels like
    Feels Like11°
  • WindNNW 4 km/h
  • Humidity
    Humidity72%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover0%
  • Rain drop
    Rain Amount0 mm

08:00

Sunny Sunny
14°
Rain drop 1%
NNW 6 km/h
Add

Sunny

  • Temperature feels like
    Feels Like14°
  • WindNNW 6 km/h
  • Humidity
    Humidity63%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover0%
  • Rain drop
    Rain Amount0 mm

09:00

Sunny Sunny
16°
Rain drop 0%
NW 7 km/h
Add

Sunny

  • Temperature feels like
    Feels Like16°
  • WindNW 7 km/h
  • Humidity
    Humidity56%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover0%
  • Rain drop
    Rain Amount0 mm

10:00

Sunny Sunny
17°
Rain drop 0%
NNW 6 km/h
Add

Sunny

  • Temperature feels like
    Feels Like17°
  • WindNNW 6 km/h
  • Humidity
    Humidity48%
  • UV index
    UV Index4 of 11
  • Cloud
    Cloud Cover1%
  • Rain drop
    Rain Amount0 mm

11:00

Sunny Sunny
19°
Rain drop 0%
NNW 7 km/h
Add

Sunny

  • Temperature feels like
    Feels Like19°
  • WindNNW 7 km/h
  • Humidity
    Humidity42%
  • UV index
    UV Index6 of 11
  • Cloud
    Cloud Cover1%
  • Rain drop
    Rain Amount0 mm
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