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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Martinez, CA
Content continues below
May
Average Temperature
High
23°
Feels 23
Low
11°
Feels 9
Average Precipitation
3 Days
Rain amount
8.8mm
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
17
18
19
32°
20
30°
21
30°
22
25°
23
23°
24
22°
25
24°
26
24°
27
25°
28
26°
29
26°
30
25°
31
26°
Forecast
Tuesday, May 19, 2026
Day
32°
Feels 32
Wind
18 km/h NE
Gust
27 km/h
Humidity
10%
P.O.P
0%
Night
15°
Feels 15
Wind
22 km/h SW
Gust
33 km/h
Humidity
60%
P.O.P
10%
Historical Averages
May 19
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.