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Current
Hourly
7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Vallejo, CA
Content continues below
May
Average Temperature
High
21°
Feels 21
Low
10°
Feels 9
Average Precipitation
3 Days
Rain amount
7.6mm
Snow amount
0cm
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
14
15
16
24°
17
25°
18
28°
19
30°
20
29°
21
28°
22
20°
23
19°
24
19°
25
18°
26
19°
27
19°
28
20°
29
22°
30
24°
31
Forecast
Saturday, May 16, 2026
Day
24°
Feels 24
Wind
22 km/h W
Gust
34 km/h
Humidity
34%
P.O.P
10%
Night
11°
Feels 9
Wind
23 km/h W
Gust
34 km/h
Humidity
72%
P.O.P
20%
Historical Averages
May 16
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.