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San Jose (CA)
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United States weather

Weather in San Jose, California for October 2025

Your guide to San Jose weather in October - trends and predictions

    Temperatures

  • Until now, October 2025 in San Jose is cooler than usual, with temperatures averaging 20.6 °F, this is -4.1 °F below the typical seasonal average.

  • The forecast for the upcoming days in San Jose predicts a temperature of 23.5 °F, which is slightly above the historical average.

  • In general, the average temperature in San Jose at the beginning of October is 29.6 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 21.3 °F by the end of October.

    • Rain 🌧️

  • Precipitation in San Jose during October is a rare event, with an average of fewer than 2 rainy days.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
31
Dry days
Average rainy days
0
Rainy days
Average snowy days
0
Snow days
Average temperatures
25°/13°
Temperatures
Average wind speed
11 km/h
Avg max wind
Average humidity
50 %
Avg humidity

San Jose Weather October

Move between months or click on a day
September
November
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Partly cloudy
26°
2
Partly cloudy
28°
3
Sunny
27°
4
Sunny
29°
5
Sunny
31°
6
Sunny
32°
7
Sunny
34°
8
Sunny
28°
9
Patchy rain possible
22°
10
Partly cloudy
24°
11
Overcast
22°
12
Partly cloudy
21°
13
Overcast
20°
14
Cloudy
19°
15
Partly cloudy
23°
16
Overcast
21°
17
Mist
23°
18
Sunny
28°
19
Sunny
29°
20
Sunny
29°
21
Overcast
25°
22
Patchy rain possible
21°
23
Mist
22°
24
Partly cloudy
22°
25
Overcast
21°
26
Partly cloudy
20°
27
Partly cloudy
21°
28
Overcast
21°
29
Sunny
26°
30
Partly cloudy
16°
31
Partly cloudy
24°

Temperatures trend during October in San Jose

See the weather trend as well as the moving average line

October weather in San Jose day by day

Click on a date for more information
September November
Date Weather Temperatures Rain UV More
Oct. 1 Partly cloudy
Partly cloudy
 26° /16° 3.5 mm 6
Oct. 2 Partly cloudy
Partly cloudy
 28° /16° 0 mm 7
Oct. 3 Sunny
Sunny
 27° /14° 0 mm 7
Oct. 4 Sunny
Sunny
 29° /16° 0 mm 7
Oct. 5 Sunny
Sunny
 31° /17° 0 mm 7
Oct. 6 Sunny
Sunny
 32° /18° 0 mm 7
Oct. 7 Sunny
Sunny
 34° /17° 0 mm 8
Oct. 8 Sunny
Sunny
 28° /14° 0 mm 7
Oct. 9 Patchy rain possible
Patchy rain possible
 22° /13° 0 mm 5
Oct. 10 Partly cloudy
Partly cloudy
 24° /13° 0 mm 6
Oct. 11 Overcast
Overcast
 22° /12° 0 mm 5
Oct. 12 Partly cloudy
Partly cloudy
 21° /11° 0 mm 6
Oct. 13 Overcast
Overcast
 20° /12° 14.1 mm 5
Oct. 14 Cloudy
Cloudy
 19° /11° 0 mm 4
Oct. 15 Partly cloudy
Partly cloudy
 23° /12° 0 mm 6
Oct. 16 Overcast
Overcast
 21° /12° 0 mm 5
Oct. 17 Mist
Mist
 23° /11° 0 mm 5
Oct. 18 Sunny
Sunny
 28° /12° 0 mm 7
Oct. 19 Sunny
Sunny
 29° /13° 0 mm 8
Oct. 20 Sunny
Sunny
 29° /13° 0 mm 7
Oct. 21 Overcast
Overcast
 25° /13° 0 mm 6
Oct. 22 Patchy rain possible
Patchy rain possible
 21° /12° 0.1 mm 5
Oct. 23 Mist
Mist
 22° /12° 0 mm 5
Oct. 24 Partly cloudy
Partly cloudy
 22° /10° 0 mm 6
Oct. 25 Overcast
Overcast
 21° /12° 0 mm 5
Oct. 26 Partly cloudy
Partly cloudy
 20° /11° 0 mm 5
Oct. 27 Partly cloudy
Partly cloudy
 21° /11° 0 mm 5
Oct. 28 Overcast
Overcast
 21° /9° 0 mm 5
Oct. 29 Sunny
Sunny
 26° /12° 0 mm 0.9
Oct. 30 Partly cloudy
Partly cloudy
 16° /12° 0 mm 0.9
Oct. 31 Partly cloudy
Partly cloudy
 24° /11° 0 mm 0.9
Next
Important Notice
Our weather forecast for San Jose in October is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the San Jose forecast closer to your planned date for the most up-to-date weather information.
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San Jose in October - FAQ

What are the expected maximum and minimum temperatures in San Jose during October?
Enjoy moderate daytime temperatures of up to 25° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in San Jose during October?
Rainfall in San Jose during October is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 0 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in San Jose during October?
The average wind speed in San Jose during October is 11 km/h, suggesting breezy to windy conditions, depending on your activities.

October rainfall patterns in San Jose

Explore the daily rainfall trends and prepare for San Joses October weather 💧

UV exposure in San Jose during October

Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️

Quick links

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Location coordinates Where is San Jose?

Get accurate weather forecasts for San Jose, located at latitude 37.339 and longitude -121.895. Stay updated with localized weather information tailored for San Jose.

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