Hourly Weather Forecast - Herndon, VA

12 AM
38°F
0%
13mph
SSW
Partly Cloudy
Humidity
58%
Feels like
30°F
Dew Point
25°F
1 AM
38°F
0%
12mph
SSW
Mostly Cloudy
Humidity
59%
Feels like
30°F
Dew Point
25°F
2 AM
38°F
0%
11mph
SSW
Partly Cloudy
Humidity
60%
Feels like
30°F
Dew Point
25°F
3 AM
37°F
0%
10mph
SW
Mostly Clear
Humidity
63%
Feels like
30°F
Dew Point
26°F
4 AM
37°F
0%
9mph
SW
Mostly Clear
Humidity
65%
Feels like
31°F
Dew Point
27°F
5 AM
37°F
0%
8mph
SW
Mostly Clear
Humidity
68%
Feels like
31°F
Dew Point
27°F
6 AM
37°F
0%
7mph
SW
Mostly Clear
Humidity
70%
Feels like
31°F
Dew Point
28°F
7 AM
37°F
0%
6mph
WSW
Partly Cloudy
Humidity
71%
Feels like
32°F
Dew Point
29°F
7:24 AM
8 AM
39°F
10%
6mph
WSW
Partly Cloudy
Humidity
69%
Feels like
34°F
Dew Point
30°F
9 AM
42°F
10%
7mph
W
Partly Cloudy
Humidity
66%
Feels like
37°F
Dew Point
31°F
10 AM
44°F
10%
8mph
W
Partly Cloudy
Humidity
61%
Feels like
40°F
Dew Point
32°F
11 AM
47°F
10%
9mph
W
Partly Cloudy
Humidity
55%
Feels like
43°F
Dew Point
32°F
12 PM
49°F
10%
10mph
WNW
Partly Cloudy
Humidity
50%
Feels like
45°F
Dew Point
32°F
1 PM
51°F
10%
11mph
WNW
Partly Cloudy
Humidity
46%
Feels like
51°F
Dew Point
31°F
2 PM
51°F
10%
11mph
WNW
Partly Cloudy
Humidity
43%
Feels like
51°F
Dew Point
29°F
3 PM
49°F
10%
11mph
WNW
Partly Cloudy
Humidity
43%
Feels like
45°F
Dew Point
28°F
4 PM
47°F
10%
11mph
WNW
Partly Cloudy
Humidity
46%
Feels like
42°F
Dew Point
27°F
4:50 PM
5 PM
44°F
10%
10mph
WNW
Partly Cloudy
Humidity
49%
Feels like
39°F
Dew Point
26°F
6 PM
42°F
10%
9mph
NW
Mostly Cloudy
Humidity
50%
Feels like
36°F
Dew Point
25°F
7 PM
40°F
10%
8mph
NW
Cloudy
Humidity
51%
Feels like
35°F
Dew Point
24°F
8 PM
39°F
10%
8mph
NW
Cloudy
Humidity
53%
Feels like
33°F
Dew Point
23°F
9 PM
37°F
10%
8mph
NW
Cloudy
Humidity
54%
Feels like
31°F
Dew Point
22°F
10 PM
36°F
10%
8mph
NW
Cloudy
Humidity
56%
Feels like
30°F
Dew Point
22°F
11 PM
34°F
10%
7mph
NNW
Mostly Cloudy
Humidity
58%
Feels like
28°F
Dew Point
21°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.

Wednesday's Weather Outlook

Wednesday'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