Monthly Historical AveragesChantilly, VA
Average Temperature
High
19°
Feels 19
Low
7°
Feels 6
Average Precipitation
9 Days
60.9mm
0.2cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastWednesday, April 29, 2026
Day
18°Feels 18
Wind
18 km/h SE
Gust
28 km/h
Humidity
71%
P.O.P
100%
Rain
~10 mm
Night
10°Feels 8
Wind
17 km/h SE
Gust
25 km/h
Humidity
98%
P.O.P
80%
Rain
~5 mm
Historical AveragesApr 29
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity