Hourly Weather Forecast - Herndon, VA

3 AM
28°F
0%
2mph
WNW
Mostly Cloudy
Humidity
90%
Feels like
28°F
Dew Point
26°F
4 AM
28°F
0%
2mph
WNW
Mostly Cloudy
Humidity
92%
Feels like
28°F
Dew Point
26°F
5 AM
27°F
0%
2mph
W
Mostly Cloudy
Humidity
94%
Feels like
27°F
Dew Point
26°F
6 AM
27°F
0%
2mph
W
Mostly Cloudy
Humidity
95%
Feels like
27°F
Dew Point
26°F
7 AM
28°F
0%
2mph
W
Mostly Cloudy
Humidity
94%
Feels like
28°F
Dew Point
27°F
7:13 AM
8 AM
30°F
0%
2mph
WSW
Mostly Cloudy
Humidity
90%
Feels like
30°F
Dew Point
28°F
9 AM
33°F
0%
2mph
WSW
Mostly Cloudy
Humidity
85%
Feels like
33°F
Dew Point
29°F
10 AM
35°F
0%
2mph
WSW
Mostly Cloudy
Humidity
80%
Feels like
35°F
Dew Point
29°F
11 AM
37°F
0%
3mph
WSW
Partly Cloudy
Humidity
77%
Feels like
37°F
Dew Point
31°F
12 PM
39°F
0%
3mph
WSW
Partly Cloudy
Humidity
73%
Feels like
39°F
Dew Point
31°F
1 PM
40°F
0%
3mph
WSW
Mostly Cloudy
Humidity
71%
Feels like
38°F
Dew Point
32°F
2 PM
41°F
0%
4mph
WSW
Mostly Cloudy
Humidity
70%
Feels like
38°F
Dew Point
32°F
3 PM
40°F
0%
4mph
WSW
Partly Cloudy
Humidity
71%
Feels like
38°F
Dew Point
31°F
4 PM
39°F
0%
4mph
SW
Partly Cloudy
Humidity
74%
Feels like
36°F
Dew Point
31°F
4:47 PM
5 PM
37°F
0%
4mph
SW
Partly Cloudy
Humidity
79%
Feels like
34°F
Dew Point
31°F
6 PM
36°F
0%
4mph
SW
Mostly Clear
Humidity
82%
Feels like
33°F
Dew Point
31°F
7 PM
35°F
0%
4mph
SW
Partly Cloudy
Humidity
84%
Feels like
31°F
Dew Point
30°F
8 PM
34°F
0%
4mph
WSW
Partly Cloudy
Humidity
84%
Feels like
30°F
Dew Point
30°F
9 PM
34°F
0%
4mph
W
Partly Cloudy
Humidity
84%
Feels like
29°F
Dew Point
29°F
10 PM
33°F
0%
5mph
WNW
Partly Cloudy
Humidity
83%
Feels like
29°F
Dew Point
29°F
11 PM
33°F
0%
5mph
WNW
Partly Cloudy
Humidity
83%
Feels like
28°F
Dew Point
28°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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