The long-range forecast for Rancho Cucamonga predicts a heatwave, with temperatures reaching up to 34°, significantly higher than typical for Rancho Cucamonga for this time of the year and 6.3 °C above the historical average.
Select a month and click on a day for more information:
Wednesday
Apr 1
15° / 9°
Thursday
Apr 2
14° / 8°
Friday
Apr 3
18° / 8°
Saturday
Apr 4
21° / 9°
Sunday
Apr 5
22° / 8°
Monday
Apr 6
24° / 9°
Tuesday
Apr 7
24° / 11°
Wednesday
Apr 8
25° / 12°
Thursday
Apr 9
28° / 12°
Friday
Apr 10
27° / 14°
Saturday
Apr 11
26° / 14°
Sunday
Apr 12
22° / 12°
Monday
Apr 13
18° / 9°
Tuesday
Apr 14
19° / 8°
Wednesday
Apr 15
21° / 8°
Thursday
Apr 16
22° / 10°
Friday
Apr 17
23° / 10°
Saturday
Apr 18
23° / 11°
Sunday
Apr 19
24° / 11°
Monday
Apr 20
24° / 12°
Tuesday
Apr 21
25° / 11°
Wednesday
Apr 22
22° / 12°
Thursday
Apr 23
22° / 10°
Friday
Apr 24
22° / 10°
Saturday
Apr 25
21° / 11°
Sunday
Apr 26
19° / 10°
Monday
Apr 27
23° / 10°
Tuesday
Apr 28
25° / 11°
Wednesday
Apr 29
28° / 13°
Thursday
Apr 30
28° / 15°
Rancho Cucamonga 30 days weather forecast
Check out our estimated 30 days weather forecast for Rancho Cucamonga, this data is based on the average weather in Rancho Cucamonga in the last few years.
For a more accurate and detailed forecast, check out the 14 day weather for Rancho Cucamonga next to the desired date.