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Weather in Santa Rosa for October 2025

Your guide to Santa Rosa weather in October - trends and predictions

  • In general, the average temperature in Santa Rosa at the beginning of October is 33.9 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.9 °F by the end of October.

  • With an average of 4 rainy days, Santa Rosa experiences minimal rainfall in October, ensuring that most days remain pleasantly dry.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
27
Dry days
Average rainy days
4
Rainy days
Average snowy days
0
Snow days
Average temperatures
25°/9°
Temperatures
Average wind speed
12 km/h
Avg max wind
Average humidity
60 %
Avg humidity

Santa Rosa in October average weather

Move between months or click on a day
September
November
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Mist
32°
2
Cloudy
32°
3
Partly cloudy
33°
4
Sunny
32°
5
Sunny
36°
6
Sunny
37°
7
Sunny
35°
8
Sunny
30°
9
Light drizzle
22°
10
Light drizzle
21°
11
Sunny
20°
12
Cloudy
21°
13
Overcast
22°
14
Patchy rain possible
20°
15
Mist
27°
16
Patchy rain possible
23°
17
Mist
26°
18
Partly cloudy
28°
19
Sunny
33°
20
Partly cloudy
29°
21
Mist
20°
22
Patchy rain possible
19°
23
Mist
24°
24
Mist
24°
25
Overcast
22°
26
Partly cloudy
22°
27
Overcast
18°
28
Partly cloudy
18°
29
Sunny
20°
30
Partly cloudy
19°
31
Partly cloudy
20°
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Temperatures trend during October in Santa Rosa

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 Mist
Mist
 32° /15° 0 mm 7
Oct. 2 Cloudy
Cloudy
 32° /13° 0 mm 8
Oct. 3 Partly cloudy
Partly cloudy
 33° /11° 0 mm 9
Oct. 4 Sunny
Sunny
 32° /14° 0 mm 7
Oct. 5 Sunny
Sunny
 36° /15° 0 mm 9
Oct. 6 Sunny
Sunny
 37° /17° 0 mm 9
Oct. 7 Sunny
Sunny
 35° /14° 0 mm 9
Oct. 8 Sunny
Sunny
 30° /11° 0 mm 8
Oct. 9 Light drizzle
Light drizzle
 22° /10° 0.6 mm 5
Oct. 10 Light drizzle
Light drizzle
 21° /10° 0.2 mm 5
Oct. 11 Sunny
Sunny
 20° /8° 0 mm 5
Oct. 12 Cloudy
Cloudy
 21° /8° 0 mm 5
Oct. 13 Overcast
Overcast
 22° /10° 0 mm 5
Oct. 14 Patchy rain possible
Patchy rain possible
 20° /11° 0.3 mm 5
Oct. 15 Mist
Mist
 27° /10° 0 mm 6
Oct. 16 Patchy rain possible
Patchy rain possible
 23° /11° 0 mm 5
Oct. 17 Mist
Mist
 26° /10° 0 mm 6
Oct. 18 Partly cloudy
Partly cloudy
 28° /9° 0 mm 7
Oct. 19 Sunny
Sunny
 33° /13° 0 mm 8
Oct. 20 Partly cloudy
Partly cloudy
 29° /11° 0 mm 7
Oct. 21 Mist
Mist
 20° /8° 0 mm 5
Oct. 22 Patchy rain possible
Patchy rain possible
 19° /8° 0.2 mm 5
Oct. 23 Mist
Mist
 24° /7° 0 mm 6
Oct. 24 Mist
Mist
 24° /9° 0 mm 6
Oct. 25 Overcast
Overcast
 22° /9° 0 mm 5
Oct. 26 Partly cloudy
Partly cloudy
 22° /6° 0 mm 6
Oct. 27 Overcast
Overcast
 18° /8° 0.5 mm 4
Oct. 28 Partly cloudy
Partly cloudy
 18° /4° 0 mm 5
Oct. 29 Sunny
Sunny
 20° /5° 0 mm 6
Oct. 30 Partly cloudy
Partly cloudy
 19° /6° 1.6 mm 5
Oct. 31 Partly cloudy
Partly cloudy
 20° /6° 4.7 mm 5
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Important Notice
Our weather forecast for Santa Rosa 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 Santa Rosa forecast closer to your planned date for the most up-to-date weather information.

Santa Rosa in October - FAQ

What are the expected maximum and minimum temperatures in Santa Rosa during October?
Enjoy moderate daytime temperatures of up to 25° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Santa Rosa during October?
Rainfall in Santa Rosa during October is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 4 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 Santa Rosa during October?
The average wind speed in Santa Rosa during October is 12 km/h, suggesting breezy to windy conditions, depending on your activities.

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Get accurate weather forecasts for Santa Rosa, located at latitude 38.44 and longitude -122.714. Stay updated with localized weather information tailored for Santa Rosa.

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