This year's long-range forecast for San Bernardino reveals higher temperatures, peaking at 25°, indicative of a warming trend against the historical average.
Select a month and click on a day for more information:
Sunday
Dec 1
19° / 10°
Monday
Dec 2
19° / 10°
Tuesday
Dec 3
19° / 8°
Wednesday
Dec 4
24° / 9°
Thursday
Dec 5
25° / 8°
Friday
Dec 6
25° / 10°
Saturday
Dec 7
24° / 8°
Sunday
Dec 8
20° / 5°
Monday
Dec 9
18° / 1°
Tuesday
Dec 10
19° / 1°
Wednesday
Dec 11
19° / 2°
Thursday
Dec 12
21° / 4°
Friday
Dec 13
20° / 5°
Saturday
Dec 14
20° / 6°
Sunday
Dec 15
11° / 6°
Monday
Dec 16
16° / 2°
Tuesday
Dec 17
18° / 1°
Wednesday
Dec 18
15° / 6°
Thursday
Dec 19
17° / 7°
Friday
Dec 20
17° / 8°
Saturday
Dec 21
18° / 9°
Sunday
Dec 22
17° / 9°
Monday
Dec 23
15° / 8°
Tuesday
Dec 24
15° / 8°
Wednesday
Dec 25
15° / 7°
Thursday
Dec 26
14° / 7°
Friday
Dec 27
12° / 6°
Saturday
Dec 28
12° / 5°
Sunday
Dec 29
10° / 5°
Monday
Dec 30
10° / 7°
Tuesday
Dec 31
12° / 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.