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Monthly
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Current
Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
San Francisco, 40
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Content continues below
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
36°
14
34°
15
33°
16
30°
17
34°
18
34°
19
31°
20
31°
21
31°
22
29°
23
32°
24
29°
25
29°
26
29°
27
29°
28
29
30
31
Forecast
Wednesday, May 13, 2026
Day
36°
Feels 40
Wind
8 km/h W
Gust
12 km/h
Humidity
43%
P.O.P
20%
Night
25°
Feels 26
Wind
6 km/h SE
Gust
9 km/h
Humidity
89%
P.O.P
30%
Historical Averages
May 13
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
May
Average Temperature
High
32°
Feels 37
Low
24°
Feels 26
Average Precipitation
25 Days
Rain amount
252.2mm
Snow amount
0cm