Hourly Weather Forecast - Herndon, VA

7:21 AM
8 AM
20°F
0%
3mph
NNW
Sunny
Humidity
74%
Feels like
20°F
Dew Point
13°F
9 AM
24°F
0%
3mph
NNW
Sunny
Humidity
67%
Feels like
24°F
Dew Point
14°F
10 AM
28°F
0%
2mph
NNW
Sunny
Humidity
58%
Feels like
28°F
Dew Point
15°F
11 AM
31°F
0%
2mph
NW
Mostly Sunny
Humidity
51%
Feels like
31°F
Dew Point
15°F
12 PM
33°F
0%
2mph
SW
Sunny
Humidity
48%
Feels like
33°F
Dew Point
16°F
1 PM
35°F
0%
3mph
SSW
Mostly Sunny
Humidity
46%
Feels like
35°F
Dew Point
16°F
2 PM
35°F
0%
4mph
S
Mostly Sunny
Humidity
46%
Feels like
32°F
Dew Point
17°F
3 PM
35°F
0%
5mph
S
Mostly Sunny
Humidity
49%
Feels like
30°F
Dew Point
18°F
4 PM
33°F
0%
5mph
SSE
Mostly Sunny
Humidity
55%
Feels like
28°F
Dew Point
19°F
4:48 PM
5 PM
30°F
0%
6mph
SSE
Mostly Clear
Humidity
59%
Feels like
24°F
Dew Point
18°F
6 PM
29°F
0%
6mph
SSE
Mostly Clear
Humidity
61%
Feels like
23°F
Dew Point
17°F
7 PM
28°F
0%
6mph
SSE
Mostly Clear
Humidity
63%
Feels like
22°F
Dew Point
17°F
8 PM
28°F
0%
6mph
SSE
Clear
Humidity
63%
Feels like
21°F
Dew Point
17°F
9 PM
28°F
0%
6mph
SSE
Clear
Humidity
64%
Feels like
21°F
Dew Point
17°F
10 PM
27°F
0%
6mph
S
Clear
Humidity
65%
Feels like
21°F
Dew Point
17°F
11 PM
27°F
0%
5mph
S
Mostly Clear
Humidity
67%
Feels like
21°F
Dew Point
17°F

Rainfall Totals Through Wednesday A.M.

Heavy Rain Returns to Deluge Pacific Northwest

Another atmospheric river will hit the Pacific Northwest with heavy rain and high winds.

Tuesday's Weather Outlook

Tuesday'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

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide