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Weather in San Jose for October 2025

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

    Temperatures

  • In general, the average temperature in San Jose at the beginning of October is 33.1 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.3 °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

  • Halloween weather in San Jose 🎃 - See the complete forecast for Thursday, October 31.

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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 in October average weather

Move between months or click on a day
September
November
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Partly cloudy
30°
2
Partly cloudy
32°
3
Sunny
33°
4
Sunny
33°
5
Sunny
35°
6
Sunny
34°
7
Sunny
35°
8
Sunny
31°
9
Patchy rain possible
24°
10
Partly cloudy
25°
11
Overcast
23°
12
Overcast
23°
13
Overcast
22°
14
Cloudy
21°
15
Partly cloudy
25°
16
Overcast
23°
17
Cloudy
21°
18
Sunny
28°
19
Sunny
31°
20
Partly cloudy
30°
21
Overcast
24°
22
Patchy rain possible
23°
23
Mist
23°
24
Partly cloudy
26°
25
Overcast
23°
26
Partly cloudy
22°
27
Partly cloudy
21°
28
Overcast
18°
29
Sunny
18°
30
Sunny
20°
31
Overcast
20°
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Temperatures trend during October in San Jose

See the weather trend as well as the moving average line

October weather day by day

Click on a date for more information
September November
Date Weather Temperatures Rain UV More
Oct. 1 Partly cloudy
Partly cloudy
 30° /16° 0 mm 8
Oct. 2 Partly cloudy
Partly cloudy
 32° /18° 0 mm 8
Oct. 3 Sunny
Sunny
 33° /16° 0 mm 9
Oct. 4 Sunny
Sunny
 33° /18° 0 mm 8
Oct. 5 Sunny
Sunny
 35° /19° 0 mm 8
Oct. 6 Sunny
Sunny
 34° /19° 0 mm 8
Oct. 7 Sunny
Sunny
 35° /19° 0 mm 9
Oct. 8 Sunny
Sunny
 31° /15° 0 mm 8
Oct. 9 Patchy rain possible
Patchy rain possible
 24° /13° 0 mm 6
Oct. 10 Partly cloudy
Partly cloudy
 25° /14° 0 mm 6
Oct. 11 Overcast
Overcast
 23° /12° 0 mm 5
Oct. 12 Overcast
Overcast
 23° /11° 0 mm 6
Oct. 13 Overcast
Overcast
 22° /13° 0 mm 5
Oct. 14 Cloudy
Cloudy
 21° /12° 0 mm 5
Oct. 15 Partly cloudy
Partly cloudy
 25° /13° 0 mm 7
Oct. 16 Overcast
Overcast
 23° /13° 0 mm 5
Oct. 17 Cloudy
Cloudy
 21° /12° 0 mm 5
Oct. 18 Sunny
Sunny
 28° /11° 0 mm 7
Oct. 19 Sunny
Sunny
 31° /13° 0 mm 8
Oct. 20 Partly cloudy
Partly cloudy
 30° /14° 0 mm 8
Oct. 21 Overcast
Overcast
 24° /12° 0 mm 5
Oct. 22 Patchy rain possible
Patchy rain possible
 23° /12° 0.1 mm 6
Oct. 23 Mist
Mist
 23° /12° 0 mm 6
Oct. 24 Partly cloudy
Partly cloudy
 26° /11° 0 mm 7
Oct. 25 Overcast
Overcast
 23° /12° 0 mm 5
Oct. 26 Partly cloudy
Partly cloudy
 22° /10° 0 mm 6
Oct. 27 Partly cloudy
Partly cloudy
 21° /11° 0 mm 5
Oct. 28 Overcast
Overcast
 18° /9° 0 mm 5
Oct. 29 Sunny
Sunny
 18° /7° 0 mm 5
Oct. 30 Sunny
Sunny
 20° /8° 0 mm 5
Oct. 31 Overcast
Overcast
 20° /10° 0.1 mm 5
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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.

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 ☀️

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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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