Hourly Weather Forecast - Herndon, VA

12 AM
33°F
0%
5mph
NW
Mostly Cloudy
Humidity
73%
Feels like
28°F
Dew Point
25°F
1 AM
33°F
0%
6mph
NW
Mostly Cloudy
Humidity
72%
Feels like
27°F
Dew Point
24°F
2 AM
32°F
0%
8mph
NNW
Mostly Cloudy
Humidity
71%
Feels like
25°F
Dew Point
24°F
3 AM
32°F
0%
9mph
NNW
Mostly Cloudy
Humidity
70%
Feels like
24°F
Dew Point
23°F
4 AM
31°F
10%
11mph
NNW
Cloudy
Humidity
69%
Feels like
22°F
Dew Point
22°F
5 AM
30°F
10%
11mph
NNW
Cloudy
Humidity
70%
Feels like
21°F
Dew Point
22°F
6 AM
30°F
20%
12mph
NNW
Cloudy
Humidity
69%
Feels like
20°F
Dew Point
21°F
7 AM
30°F
10%
13mph
N
Cloudy
Humidity
66%
Feels like
21°F
Dew Point
20°F
7:15 AM
8 AM
31°F
10%
13mph
N
Cloudy
Humidity
63%
Feels like
21°F
Dew Point
20°F
9 AM
31°F
10%
14mph
N
Cloudy
Humidity
61%
Feels like
21°F
Dew Point
19°F
10 AM
31°F
10%
14mph
N
Cloudy
Humidity
57%
Feels like
21°F
Dew Point
18°F
11 AM
32°F
0%
14mph
N
Cloudy
Humidity
54%
Feels like
22°F
Dew Point
17°F
12 PM
33°F
0%
13mph
N
Cloudy
Humidity
50%
Feels like
23°F
Dew Point
16°F
1 PM
33°F
0%
13mph
N
Cloudy
Humidity
47%
Feels like
24°F
Dew Point
15°F
2 PM
33°F
0%
12mph
N
Cloudy
Humidity
46%
Feels like
24°F
Dew Point
15°F
3 PM
33°F
0%
11mph
N
Cloudy
Humidity
47%
Feels like
24°F
Dew Point
14°F
4 PM
31°F
0%
11mph
N
Cloudy
Humidity
49%
Feels like
22°F
Dew Point
14°F
4:47 PM
5 PM
30°F
0%
9mph
N
Cloudy
Humidity
52%
Feels like
21°F
Dew Point
14°F
6 PM
29°F
0%
8mph
N
Cloudy
Humidity
54%
Feels like
21°F
Dew Point
14°F
7 PM
28°F
10%
7mph
N
Cloudy
Humidity
56%
Feels like
20°F
Dew Point
14°F
8 PM
27°F
20%
7mph
NNE
Cloudy
Humidity
57%
Feels like
20°F
Dew Point
14°F
9 PM
27°F
20%
6mph
NNE
Cloudy
Humidity
58%
Feels like
20°F
Dew Point
14°F
10 PM
26°F
10%
5mph
NNE
Cloudy
Humidity
59%
Feels like
20°F
Dew Point
14°F
11 PM
26°F
10%
5mph
NNE
Cloudy
Humidity
60%
Feels like
20°F
Dew Point
14°F

Snowfall Forecast Through Saturday

Snowfall to Pack Slopes in the Rockies

Hefty snowpack additions are expected into the weekend for the Cascades and northern Rockies.

Weekend Weather Outlook

Weekend Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

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Image courtesy of PeakPX.

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Today's National Outlook

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Allergy Forecast

Snow & Ski Forecast

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