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Current
Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Fairfax, VA
Content continues below
May
Average Temperature
High
24°
Feels 24
Low
13°
Feels 13
Average Precipitation
12 Days
Rain amount
103.6mm
Snow amount
0cm
Content continues below
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
15°
3
15°
4
23°
5
28°
6
23°
7
15°
8
15°
9
17°
10
16°
11
19°
12
11°
13
13°
14
19°
15
22°
16
26°
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Forecast
Saturday, May 2, 2026
Day
15°
Feels 14
Wind
22 km/h N
Gust
33 km/h
Humidity
33%
P.O.P
30%
Night
4°
Feels 2
Wind
18 km/h N
Gust
27 km/h
Humidity
74%
P.O.P
30%
Historical Averages
May 2
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.