This year's long-range forecast for San Bernardino reveals higher temperatures, peaking at 26°, indicative of a warming trend against the historical average.
Select a month and click on a day for more information:
Monday
Dec 1
19° / 9°
Tuesday
Dec 2
19° / 9°
Wednesday
Dec 3
19° / 8°
Thursday
Dec 4
18° / 9°
Friday
Dec 5
22° / 6°
Saturday
Dec 6
22° / 9°
Sunday
Dec 7
26° / 9°
Monday
Dec 8
24° / 6°
Tuesday
Dec 9
25° / 8°
Wednesday
Dec 10
25° / 9°
Thursday
Dec 11
24° / 8°
Friday
Dec 12
25° / 9°
Saturday
Dec 13
21° / 8°
Sunday
Dec 14
20° / 7°
Monday
Dec 15
21° / 6°
Tuesday
Dec 16
18° / 8°
Wednesday
Dec 17
17° / 7°
Thursday
Dec 18
18° / 11°
Friday
Dec 19
17° / 7°
Saturday
Dec 20
18° / 8°
Sunday
Dec 21
18° / 9°
Monday
Dec 22
17° / 9°
Tuesday
Dec 23
15° / 8°
Wednesday
Dec 24
15° / 8°
Thursday
Dec 25
14° / 6°
Friday
Dec 26
14° / 7°
Saturday
Dec 27
12° / 6°
Sunday
Dec 28
13° / 5°
Monday
Dec 29
12° / 6°
Tuesday
Dec 30
12° / 7°
Wednesday
Dec 31
13° / 7°
San Bernardino 30 days weather forecast
Check out our estimated 30 days weather forecast for San Bernardino, this data is based on the average weather in San Bernardino in the last few years.
For a more accurate and detailed forecast, check out the 14 day weather for San Bernardino next to the desired date.