San Jose, CA 14-Day Forecast
California, United States 🇺🇸
83°
Sunny right now
Today: high 85°, low 55°
Updated 2 min ago
San Jose weather for the next 14 days
Wednesday, September 16
Sunny High 78° Low 52°Precipitation
5%
· 0.0 in
Max wind
8 mph
Humidity
69%
UV index
7 - High
Sunrise / sunset
06:50 AM / 07:14 PM
Thursday, September 17
Sunny High 78° Low 52°Precipitation
4%
· 0.0 in
Max wind
8 mph
Humidity
66%
UV index
7 - High
Sunrise / sunset
06:51 AM / 07:12 PM
Friday, September 18
Sunny High 83° Low 56°Precipitation
3%
· 0.0 in
Max wind
9 mph
Humidity
60%
UV index
7 - High
Sunrise / sunset
06:52 AM / 07:11 PM
Saturday, September 19
Sunny High 84° Low 55°Precipitation
5%
· 0.0 in
Max wind
8 mph
Humidity
58%
UV index
7 - High
Sunrise / sunset
06:53 AM / 07:09 PM
Sunday, September 20
Sunny High 76° Low 54°Precipitation
9%
· 0.0 in
Max wind
9 mph
Humidity
69%
UV index
6 - High
Sunrise / sunset
06:53 AM / 07:08 PM
Monday, September 21
Sunny High 82° Low 52°Precipitation
4%
· 0.0 in
Max wind
7 mph
Humidity
65%
UV index
7 - High
Sunrise / sunset
06:54 AM / 07:06 PM
Tuesday, September 22
Sunny High 90° Low 60°Precipitation
1%
· 0.0 in
Max wind
6 mph
Humidity
42%
UV index
8 - Very High
Sunrise / sunset
06:55 AM / 07:05 PM
Wednesday, September 23
Sunny High 97° Low 67°Precipitation
0%
· 0.0 in
Max wind
6 mph
Humidity
26%
UV index
9 - Very High
Sunrise / sunset
06:56 AM / 07:03 PM
Thursday, September 24
Overcast High 95° Low 64°Precipitation
7%
· 0.0 in
Max wind
5 mph
Humidity
32%
UV index
7 - High
Sunrise / sunset
06:57 AM / 07:02 PM
Friday, September 25
Sunny High 91° Low 62°Precipitation
3%
· 0.0 in
Max wind
5 mph
Humidity
55%
UV index
8 - Very High
Sunrise / sunset
06:58 AM / 07:00 PM
Saturday, September 26
Sunny High 84° Low 59°Precipitation
6%
· 0.0 in
Max wind
7 mph
Humidity
65%
UV index
7 - High
Sunrise / sunset
06:58 AM / 06:58 PM
Sunday, September 27
Sunny High 81° Low 59°Precipitation
7%
· 0.0 in
Max wind
8 mph
Humidity
69%
UV index
7 - High
Sunrise / sunset
06:59 AM / 06:57 PM
Monday, September 28
Sunny High 81° Low 56°Precipitation
5%
· 0.0 in
Max wind
8 mph
Humidity
63%
UV index
7 - High
Sunrise / sunset
07:00 AM / 06:55 PM
San Jose 14-day outlook: the story
The warmest day of San Jose's 14-day outlook is Wednesday, September 23 with a high near 97°F (36°C); the coolest night comes Wednesday, September 16, dipping to 52°F (11°C). The trend points warmer: week two runs about 8°F above week one. Highs over the next two weeks average 81°F (27°C), right in line with the typical September high of 83°F (28°C).
No day in the outlook currently carries a strong precipitation signal. For the weekend, expect Saturday 84°F (29°C) and sunny / Sunday 76°F (25°C) and sunny.
For typical conditions month by month, see the San Jose climate & average temperatures guide.
San Jose forecast questions
Will it rain in San Jose this week?
No day in the current 14-day outlook shows a strong rain signal for San Jose.
What will be the warmest day in San Jose over the next 14 days?
Wednesday, September 23, with a forecast high near 97°F (36°C).
How accurate is a 14-day forecast for San Jose?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.
Average temperatures in San Jose by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 59° | 44° | 10 | 4.5 in | 7.2 h/day | 77% |
| February | 62° | 44° | 8 | 3.3 in | 8.9 h/day | 70% |
| March | 64° | 46° | 10 | 3.7 in | 9.5 h/day | 72% |
| April | 69° | 49° | 5 | 1.4 in | 11.3 h/day | 67% |
| May | 74° | 53° | 3 | 0.6 in | 12.8 h/day | 62% |
| June | 82° | 57° | 0 | 0.0 in | 13.7 h/day | 57% |
| July | 84° | 59° | 0 | 0.1 in | 13.8 h/day | 59% |
| August | 84° | 60° | 0 | 0.0 in | 12.9 h/day | 62% |
| September | 83° | 60° | 1 | 0.2 in | 11.6 h/day | 60% |
| October | 78° | 56° | 3 | 1.2 in | 10.2 h/day | 59% |
| November | 65° | 48° | 6 | 2.1 in | 8.6 h/day | 68% |
| December | 58° | 44° | 9 | 4.4 in | 7.3 h/day | 76% |