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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Vacaville, CA
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May
Average Temperature
High
25°
Feels 25
Low
12°
Feels 11
Average Precipitation
4 Days
Rain amount
12.3mm
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
26°
8
27°
9
29°
10
29°
11
35°
12
32°
13
28°
14
29°
15
23°
16
20°
17
24°
18
23°
19
24°
20
26°
21
25°
22
23
24
25
26
27
28
29
30
31
Forecast
Thursday, May 7, 2026
Day
26°
Feels 27
Wind
16 km/h SW
Gust
24 km/h
Humidity
51%
P.O.P
20%
Night
11°
Feels 10
Wind
16 km/h W
Gust
25 km/h
Humidity
96%
P.O.P
10%
Historical Averages
May 7
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.