Hourly Weather Forecast - Chantilly, VA

12 AM
46°F
20%
5mph
NNW
Mostly Clear
Humidity
75%
Feels like
43°F
Dew Point
38°F
1 AM
45°F
20%
4mph
N
Clear
Humidity
76%
Feels like
42°F
Dew Point
37°F
2 AM
44°F
20%
4mph
N
Clear
Humidity
78%
Feels like
42°F
Dew Point
37°F
3 AM
43°F
20%
4mph
N
Mostly Clear
Humidity
80%
Feels like
41°F
Dew Point
37°F
4 AM
42°F
20%
3mph
N
Mostly Clear
Humidity
82%
Feels like
41°F
Dew Point
37°F
5 AM
42°F
20%
3mph
NNE
Partly Cloudy
Humidity
84%
Feels like
42°F
Dew Point
37°F

Rain And Snow Totals Through Monday

Atmospheric River Impacts Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California through Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

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Today's Weather Outlook

Today's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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