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

As of 5:45 pm EDT
alertLevel1

Flood Warning

+2 More
alertLevel3

There is a possible risk of severe weather today. Wind, tornadoes and hail are possible. Look out for powerful tornadoes.

Rain

Occasional thunderstorms likely to continue through 11 PM.

Monday, March 16

6 pm

Cloudy Cloudy
63°
Rain drop 22%
S 11 mph
Subtract

Cloudy

  • Temperature feels like
    Feels Like62°
  • WindS 11 mph
  • Humidity
    Humidity85%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover90%
  • Rain drop
    Rain Amount0 in

6:15 pm

Cloudy Cloudy
63°
Rain drop 20%
S 10 mph

6:30 pm

Cloudy Cloudy
62°
Rain drop 21%
S 9 mph

7 pm

Scattered Thunderstorms Scattered Thunderstorms
61°
Rain drop 59%
SSW 7 mph
Add

Scattered Thunderstorms

  • Temperature feels like
    Feels Like61°
  • WindSSW 7 mph
  • Humidity
    Humidity88%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover92%
  • Rain drop
    Rain Amount0.11 in

8 pm

Showers Thundershowers
54°
Rain drop 100%
WSW 9 mph
Add

Thundershowers

  • Temperature feels like
    Feels Like51°
  • WindWSW 9 mph
  • Humidity
    Humidity100%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover92%
  • Rain drop
    Rain Amount0.12 in

9 pm

Rain Rain
52°
Rain drop 100%
W 12 mph
Add

Rain

  • Temperature feels like
    Feels Like48°
  • WindW 12 mph
  • Humidity
    Humidity87%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover100%
  • Rain drop
    Rain Amount0.19 in

10 pm

Showers Light Rain
48°
Rain drop 94%
WNW 13 mph
Add

Light Rain

  • Temperature feels like
    Feels Like43°
  • WindWNW 13 mph
  • Humidity
    Humidity79%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover100%
  • Rain drop
    Rain Amount0.02 in

11 pm

Showers Showers
44°
Rain drop 49%
WNW 15 mph
Add

Showers

  • Temperature feels like
    Feels Like37°
  • WindWNW 15 mph
  • Humidity
    Humidity73%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover98%
  • Rain drop
    Rain Amount0 in
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Tuesday, March 17

12 am

Partly Cloudy Night Partly Cloudy
41°
Rain drop 3%
WNW 15 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like33°
  • WindWNW 15 mph
  • Humidity
    Humidity67%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover59%
  • Rain drop
    Rain Amount0 in

1 am

Mostly Clear Night Mostly Clear
38°
Rain drop 6%
WNW 15 mph
Add

Mostly Clear

  • Temperature feels like
    Feels Like29°
  • WindWNW 15 mph
  • Humidity
    Humidity59%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover22%
  • Mixed precipitation
    Precip Amount0 in

2 am

Mostly Clear Night Mostly Clear
35°
Rain drop 1%
WNW 14 mph
Add

Mostly Clear

  • Temperature feels like
    Feels Like26°
  • WindWNW 14 mph
  • Humidity
    Humidity57%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover25%
  • Mixed precipitation
    Precip Amount0 in

3 am

Mostly Clear Night Mostly Clear
33°
Rain drop 1%
WNW 13 mph
Add

Mostly Clear

  • Temperature feels like
    Feels Like24°
  • WindWNW 13 mph
  • Humidity
    Humidity56%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover21%
  • Mixed precipitation
    Precip Amount0 in

4 am

Mostly Clear Night Mostly Clear
32°
Rain drop 1%
WNW 14 mph
Add

Mostly Clear

  • Temperature feels like
    Feels Like22°
  • WindWNW 14 mph
  • Humidity
    Humidity55%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover27%
  • Mixed precipitation
    Precip Amount0 in

5 am

Partly Cloudy Night Partly Cloudy
32°
Rain drop 1%
WNW 14 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like21°
  • WindWNW 14 mph
  • Humidity
    Humidity55%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover30%
  • Mixed precipitation
    Precip Amount0 in

6 am

Partly Cloudy Night Partly Cloudy
31°
Rain drop 1%
WNW 13 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like21°
  • WindWNW 13 mph
  • Humidity
    Humidity52%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover31%
  • Mixed precipitation
    Precip Amount0 in

7 am

Mostly Clear Night Mostly Clear
31°
Rain drop 1%
WNW 11 mph
Add

Mostly Clear

  • Temperature feels like
    Feels Like22°
  • WindWNW 11 mph
  • Humidity
    Humidity50%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover29%
  • Mixed precipitation
    Precip Amount0 in

8 am

Mostly Clear Day Mostly Sunny
30°
Rain drop 0%
WNW 11 mph
Add

Mostly Sunny

  • Temperature feels like
    Feels Like21°
  • WindWNW 11 mph
  • Humidity
    Humidity50%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover24%
  • Mixed precipitation
    Precip Amount0 in

9 am

Mostly Clear Day Mostly Sunny
32°
Rain drop 0%
WNW 11 mph
Add

Mostly Sunny

  • Temperature feels like
    Feels Like23°
  • WindWNW 11 mph
  • Humidity
    Humidity47%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover28%
  • Mixed precipitation
    Precip Amount0 in

10 am

Partly Cloudy Day Partly Cloudy
34°
Rain drop 0%
WNW 12 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like25°
  • WindWNW 12 mph
  • Humidity
    Humidity43%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover41%
  • Mixed precipitation
    Precip Amount0 in

11 am

Partly Cloudy Day Partly Cloudy
36°
Rain drop 0%
WNW 14 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like27°
  • WindWNW 14 mph
  • Humidity
    Humidity39%
  • UV index
    UV Index3 of 11
  • Cloud
    Cloud Cover56%
  • Mixed precipitation
    Precip Amount0 in
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12 pm

Mostly Cloudy Day Mostly Cloudy
37°
Rain drop 0%
WNW 13 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like29°
  • WindWNW 13 mph
  • Humidity
    Humidity37%
  • UV index
    UV Index4 of 11
  • Cloud
    Cloud Cover64%
  • Mixed precipitation
    Precip Amount0 in

1 pm

Mostly Cloudy Day Mostly Cloudy
38°
Rain drop 0%
WNW 12 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like30°
  • WindWNW 12 mph
  • Humidity
    Humidity36%
  • UV index
    UV Index5 of 11
  • Cloud
    Cloud Cover61%
  • Mixed precipitation
    Precip Amount0 in

2 pm

Mostly Cloudy Day Mostly Cloudy
39°
Rain drop 0%
WNW 13 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like31°
  • WindWNW 13 mph
  • Humidity
    Humidity35%
  • UV index
    UV Index4 of 11
  • Cloud
    Cloud Cover73%
  • Mixed precipitation
    Precip Amount0 in

3 pm

Cloudy Cloudy
39°
Rain drop 0%
WNW 13 mph
Add

Cloudy

  • Temperature feels like
    Feels Like31°
  • WindWNW 13 mph
  • Humidity
    Humidity33%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover89%
  • Mixed precipitation
    Precip Amount0 in

4 pm

Cloudy Cloudy
39°
Rain drop 0%
WNW 14 mph
Add

Cloudy

  • Temperature feels like
    Feels Like31°
  • WindWNW 14 mph
  • Humidity
    Humidity32%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover91%
  • Mixed precipitation
    Precip Amount0 in

5 pm

Cloudy Cloudy
39°
Rain drop 0%
WNW 15 mph
Add

Cloudy

  • Temperature feels like
    Feels Like31°
  • WindWNW 15 mph
  • Humidity
    Humidity32%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover80%
  • Mixed precipitation
    Precip Amount0 in

6 pm

Mostly Cloudy Day Mostly Cloudy
38°
Rain drop 0%
WNW 15 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like29°
  • WindWNW 15 mph
  • Humidity
    Humidity34%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover64%
  • Mixed precipitation
    Precip Amount0 in

7 pm

Partly Cloudy Day Partly Cloudy
36°
Rain drop 0%
WNW 13 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like28°
  • WindWNW 13 mph
  • Humidity
    Humidity35%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover46%
  • Mixed precipitation
    Precip Amount0 in

8 pm

Partly Cloudy Night Partly Cloudy
34°
Rain drop 0%
NW 11 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like25°
  • WindNW 11 mph
  • Humidity
    Humidity40%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover53%
  • Mixed precipitation
    Precip Amount0 in

9 pm

Mostly Clear Night Mostly Clear
32°
Rain drop 1%
NW 10 mph
Add

Mostly Clear

  • Temperature feels like
    Feels Like23°
  • WindNW 10 mph
  • Humidity
    Humidity43%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover27%
  • Mixed precipitation
    Precip Amount0 in

10 pm

Mostly Clear Night Mostly Clear
30°
Rain drop 1%
NW 8 mph
Add

Mostly Clear

  • Temperature feels like
    Feels Like23°
  • WindNW 8 mph
  • Humidity
    Humidity46%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover22%
  • Mixed precipitation
    Precip Amount0 in

11 pm

Clear Night Clear
29°
Rain drop 0%
NW 7 mph
Add

Clear

  • Temperature feels like
    Feels Like22°
  • WindNW 7 mph
  • Humidity
    Humidity47%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover15%
  • Mixed precipitation
    Precip Amount0 in
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Wednesday, March 18

12 am

Clear Night Clear
28°
Rain drop 0%
NW 6 mph
Add

Clear

  • Temperature feels like
    Feels Like21°
  • WindNW 6 mph
  • Humidity
    Humidity50%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover8%
  • Mixed precipitation
    Precip Amount0 in

1 am

Mostly Clear Night Mostly Clear
27°
Rain drop 1%
NW 5 mph
Add

Mostly Clear

  • Temperature feels like
    Feels Like21°
  • WindNW 5 mph
  • Humidity
    Humidity52%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover22%
  • Mixed precipitation
    Precip Amount0 in

2 am

Clear Night Clear
26°
Rain drop 0%
NW 5 mph
Add

Clear

  • Temperature feels like
    Feels Like21°
  • WindNW 5 mph
  • Humidity
    Humidity53%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover15%
  • Mixed precipitation
    Precip Amount0 in

3 am

Mostly Clear Night Mostly Clear
26°
Rain drop 1%
NW 5 mph
Add

Mostly Clear

  • Temperature feels like
    Feels Like20°
  • WindNW 5 mph
  • Humidity
    Humidity55%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover23%
  • Mixed precipitation
    Precip Amount0 in

4 am

Partly Cloudy Night Partly Cloudy
25°
Rain drop 1%
WNW 4 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like19°
  • WindWNW 4 mph
  • Visibility
    Visibility10 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover45%
  • Snowflake
    Snow Amount0 in

5 am

Partly Cloudy Night Partly Cloudy
24°
Rain drop 1%
WNW 4 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like20°
  • WindWNW 4 mph
  • Visibility
    Visibility10 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover54%
  • Snowflake
    Snow Amount0 in

6 am

Mostly Cloudy Night Mostly Cloudy
24°
Rain drop 1%
NW 3 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like24°
  • WindNW 3 mph
  • Visibility
    Visibility10 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover75%
  • Snowflake
    Snow Amount0 in

7 am

Mostly Cloudy Night Mostly Cloudy
24°
Rain drop 1%
NNW 3 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like24°
  • WindNNW 3 mph
  • Visibility
    Visibility10 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover79%
  • Snowflake
    Snow Amount0 in

8 am

Cloudy Cloudy
25°
Rain drop 1%
NNW 3 mph
Add

Cloudy

  • Temperature feels like
    Feels Like25°
  • WindNNW 3 mph
  • Visibility
    Visibility10 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover90%
  • Snowflake
    Snow Amount0 in

9 am

Mostly Cloudy Day Mostly Cloudy
27°
Rain drop 0%
N 3 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like23°
  • WindN 3 mph
  • Humidity
    Humidity52%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover77%
  • Mixed precipitation
    Precip Amount0 in

10 am

Mostly Cloudy Day Mostly Cloudy
30°
Rain drop 0%
NNE 3 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like26°
  • WindNNE 3 mph
  • Humidity
    Humidity46%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover74%
  • Mixed precipitation
    Precip Amount0 in

11 am

Mostly Cloudy Day Mostly Cloudy
31°
Rain drop 0%
NE 3 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like28°
  • WindNE 3 mph
  • Humidity
    Humidity42%
  • UV index
    UV Index3 of 11
  • Cloud
    Cloud Cover66%
  • Mixed precipitation
    Precip Amount0 in
Advertisement

12 pm

Mostly Cloudy Day Mostly Cloudy
33°
Rain drop 0%
SE 4 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like30°
  • WindSE 4 mph
  • Humidity
    Humidity40%
  • UV index
    UV Index4 of 11
  • Cloud
    Cloud Cover67%
  • Mixed precipitation
    Precip Amount0 in

1 pm

Mostly Cloudy Day Mostly Cloudy
35°
Rain drop 0%
SSE 4 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like31°
  • WindSSE 4 mph
  • Humidity
    Humidity39%
  • UV index
    UV Index4 of 11
  • Cloud
    Cloud Cover69%
  • Mixed precipitation
    Precip Amount0 in

2 pm

Mostly Cloudy Day Mostly Cloudy
36°
Rain drop 0%
SSE 7 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like31°
  • WindSSE 7 mph
  • Humidity
    Humidity38%
  • UV index
    UV Index4 of 11
  • Cloud
    Cloud Cover70%
  • Mixed precipitation
    Precip Amount0 in

3 pm

Mostly Cloudy Day Mostly Cloudy
37°
Rain drop 0%
SSE 8 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like31°
  • WindSSE 8 mph
  • Humidity
    Humidity37%
  • UV index
    UV Index3 of 11
  • Cloud
    Cloud Cover71%
  • Mixed precipitation
    Precip Amount0 in

4 pm

Mostly Cloudy Day Mostly Cloudy
38°
Rain drop 0%
S 8 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like32°
  • WindS 8 mph
  • Humidity
    Humidity35%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover77%
  • Mixed precipitation
    Precip Amount0 in

5 pm

Partly Cloudy Day Partly Cloudy
39°
Rain drop 0%
S 8 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like33°
  • WindS 8 mph
  • Humidity
    Humidity35%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover59%
  • Mixed precipitation
    Precip Amount0 in
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