Hourly Weather Forecast - Herndon, VA

12 AM
36°F
10%
8mph
NW
Partly Cloudy
Humidity
67%
Feels like
30°F
Dew Point
26°F
1 AM
35°F
10%
8mph
NNW
Partly Cloudy
Humidity
69%
Feels like
29°F
Dew Point
26°F
2 AM
35°F
10%
8mph
NNW
Partly Cloudy
Humidity
71%
Feels like
28°F
Dew Point
26°F
3 AM
34°F
10%
8mph
NNW
Partly Cloudy
Humidity
72%
Feels like
27°F
Dew Point
26°F
4 AM
33°F
10%
8mph
NNW
Partly Cloudy
Humidity
73%
Feels like
27°F
Dew Point
26°F
5 AM
33°F
10%
7mph
NNW
Partly Cloudy
Humidity
73%
Feels like
26°F
Dew Point
25°F
6 AM
33°F
10%
7mph
NNW
Partly Cloudy
Humidity
70%
Feels like
27°F
Dew Point
25°F
7 AM
34°F
10%
7mph
NNW
Partly Cloudy
Humidity
66%
Feels like
28°F
Dew Point
24°F
7:25 AM
8 AM
35°F
20%
7mph
NNW
Partly Cloudy
Humidity
63%
Feels like
29°F
Dew Point
23°F
9 AM
35°F
20%
7mph
NW
Partly Cloudy
Humidity
60%
Feels like
29°F
Dew Point
23°F
10 AM
36°F
20%
8mph
NW
Partly Cloudy
Humidity
57%
Feels like
30°F
Dew Point
22°F
11 AM
37°F
10%
7mph
NW
Partly Cloudy
Humidity
53%
Feels like
32°F
Dew Point
22°F
12 PM
39°F
10%
7mph
NNW
Partly Cloudy
Humidity
49%
Feels like
34°F
Dew Point
21°F
1 PM
40°F
10%
7mph
NNW
Partly Cloudy
Humidity
48%
Feels like
35°F
Dew Point
22°F
2 PM
40°F
10%
7mph
NNW
Partly Cloudy
Humidity
47%
Feels like
35°F
Dew Point
22°F

Rainfall and Snowfall Totals Through Wednesday

Heavy Rain, Snow, and Winds Wallop Northwest

The atmospheric river this week continues to hit the Pacific Northwest with heavy rain, snow, and high winds.

Tuesday's Weather Outlook

Today's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

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

Cold Air Damming - Cause And Effects

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