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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
La Mesa, CA
Content continues below
May
Average Temperature
High
22°
Feels 22
Low
13°
Feels 13
Average Precipitation
1 Days
Rain amount
3.9mm
Snow amount
0cm
Content continues below
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
21°
4
20°
5
19°
6
23°
7
26°
8
28°
9
29°
10
28°
11
30°
12
32°
13
30°
14
28°
15
26°
16
25°
17
25°
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Forecast
Sunday, May 3, 2026
Day
21°
Feels 21
Wind
26 km/h W
Gust
39 km/h
Humidity
55%
P.O.P
40%
Rain
<1 mm
Night
12°
Feels 12
Wind
18 km/h W
Gust
27 km/h
Humidity
89%
P.O.P
60%
Rain
<1 mm
Historical Averages
May 3
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.