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7 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
San Bernardino, CA
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August
Average Temperature
High
37°
Feels 37
Low
20°
Feels 20
Average Precipitation
1 Days
Rain amount
4mm
Snow amount
0cm
Content continues below
Daily Historical Averages
August 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
37°
18
38°
19
39°
20
40°
21
38°
22
38°
23
38°
24
38°
25
38°
26
38°
27
38°
28
38°
29
38°
30
37°
31
36°
Forecast
Monday, August 17, 2026
Day
37°
Feels 37
Wind
17 km/h SW
Gust
26 km/h
Humidity
17%
P.O.P
0%
Night
21°
Feels 21
Wind
18 km/h SW
Gust
26 km/h
Humidity
45%
P.O.P
0%
Historical Averages
Aug 17
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.