Monthly Historical AveragesFort Belvoir, VA
Average Temperature
High
24°
Feels 25
Low
14°
Feels 13
Average Precipitation
13 Days
105.7mm
0cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastThursday, May 21, 2026
Day
20°Feels 20
Wind
18 km/h NE
Gust
27 km/h
Humidity
57%
P.O.P
30%
Night
11°Feels 10
Wind
16 km/h NE
Gust
24 km/h
Humidity
98%
P.O.P
90%
Rain
5-10 mm
Historical AveragesMay 21
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity