The long-range forecast for San Jose predicts a heatwave, with temperatures reaching up to 39°, significantly higher than typical for San Jose for this time of the year and 3.1 °C above the historical average.
Select a month and click on a day for more information:
Saturday
Aug 1
30° / 16°
Sunday
Aug 2
31° / 16°
Monday
Aug 3
31° / 16°
Tuesday
Aug 4
32° / 14°
Wednesday
Aug 5
36° / 14°
Thursday
Aug 6
37° / 14°
Friday
Aug 7
38° / 16°
Saturday
Aug 8
39° / 18°
Sunday
Aug 9
38° / 17°
Monday
Aug 10
37° / 14°
Tuesday
Aug 11
35° / 13°
Wednesday
Aug 12
33° / 11°
Thursday
Aug 13
31° / 10°
Friday
Aug 14
33° / 11°
Saturday
Aug 15
34° / 12°
Sunday
Aug 16
34° / 12°
Monday
Aug 17
33° / 12°
Tuesday
Aug 18
30° / 16°
Wednesday
Aug 19
31° / 15°
Thursday
Aug 20
32° / 16°
Friday
Aug 21
31° / 16°
Saturday
Aug 22
31° / 16°
Sunday
Aug 23
32° / 16°
Monday
Aug 24
31° / 16°
Tuesday
Aug 25
32° / 16°
Wednesday
Aug 26
33° / 16°
Thursday
Aug 27
32° / 15°
Friday
Aug 28
32° / 16°
Saturday
Aug 29
32° / 16°
Sunday
Aug 30
34° / 16°
Monday
Aug 31
33° / 16°
San Jose 30 days weather forecast
Check out our estimated 30 days weather forecast for San Jose, this data is based on the average weather in San Jose in the last few years.
For a more accurate and detailed forecast, check out the 14 day weather for San Jose next to the desired date.