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Weather in Santa Ana, California for October 2025

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

    Temperatures

  • Until now, October 2025 in Santa Ana is cooler than usual, with temperatures averaging 23 °F, this is -4.1 °F below the typical seasonal average.

  • Expect cooler weather in the next days in Santa Ana with the forecast suggesting a temperature of 25.2 °F, lower than the historical average.

  • In general, the average temperature in Santa Ana at the beginning of October is 28.3 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 25.3 °F by the end of October.

    • Rain 🌧️

  • Precipitation in Santa Ana 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
27°/15°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
54 %
Avg humidity

Santa Ana Weather October

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

Temperatures trend during October in Santa Ana

See the weather trend as well as the moving average line

October weather in Santa Ana day by day

Click on a date for more information
September November
Date Weather Temperatures Rain UV More
Oct. 1 Light rain shower
Light rain shower
 25° /16° 0.2 mm 6
Oct. 2 Partly cloudy
Partly cloudy
 26° /15° 0 mm 6
Oct. 3 Sunny
Sunny
 27° /16° 0 mm 7
Oct. 4 Sunny
Sunny
 30° /16° 0 mm 7
Oct. 5 Sunny
Sunny
 31° /16° 0 mm 7
Oct. 6 Partly cloudy
Partly cloudy
 30° /17° 0 mm 7
Oct. 7 Cloudy
Cloudy
 29° /17° 0 mm 7
Oct. 8 Partly cloudy
Partly cloudy
 29° /16° 0 mm 7
Oct. 9 Partly cloudy
Partly cloudy
 29° /17° 4 mm 7
Oct. 10 Sunny
Sunny
 29° /17° 4.4 mm 7
Oct. 11 Cloudy
Cloudy
 25° /16° 0 mm 6
Oct. 12 Sunny
Sunny
 29° /14° 0 mm 7
Oct. 13 Overcast
Overcast
 22° /13° 0 mm 5
Oct. 14 Overcast
Overcast
 22° /14° 11.6 mm 5
Oct. 15 Sunny
Sunny
 24° /14° 0 mm 6
Oct. 16 Sunny
Sunny
 27° /14° 0 mm 7
Oct. 17 Overcast
Overcast
 26° /15° 0 mm 6
Oct. 18 Sunny
Sunny
 30° /14° 0 mm 1.2
Oct. 19 Sunny
Sunny
 25° /15° 0 mm 1.2
Oct. 20 Sunny
Sunny
 28° /14° 0 mm 1.1
Oct. 21 Sunny
Sunny
 23° /17° 0 mm 0
Oct. 22 Patchy rain possible
Patchy rain possible
 21° /16° 0.5 mm 4
Oct. 23 Sunny
Sunny
 24° /16° 0 mm 5
Oct. 24 Sunny
Sunny
 25° /17° 0 mm 6
Oct. 25 Sunny
Sunny
 22° /17° 0 mm 5
Oct. 26 Partly cloudy
Partly cloudy
 20° /16° 0 mm 5
Oct. 27 Sunny
Sunny
 24° /15° 0 mm 5
Oct. 28 Sunny
Sunny
 29° /19° 0 mm 6
Oct. 29 Sunny
Sunny
 28° /20° 0 mm 6
Oct. 30 Sunny
Sunny
 27° /20° 0 mm 6
Oct. 31 Sunny
Sunny
 27° /19° 0 mm 6
Next
Important Notice
Our weather forecast for Santa Ana 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 Ana forecast closer to your planned date for the most up-to-date weather information.
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Santa Ana in October - FAQ

What are the expected maximum and minimum temperatures in Santa Ana during October?
During October, expect a variety of temperatures with highs around 27° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in Santa Ana during October?
Rainfall in Santa Ana 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 Santa Ana during October?
The average wind speed in Santa Ana during October is 14 km/h, suggesting breezy to windy conditions, depending on your activities.

October rainfall patterns in Santa Ana

Explore the daily rainfall trends and prepare for Santa Anas October weather 💧

UV exposure in Santa Ana 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 Santa Ana?

Get accurate weather forecasts for Santa Ana, located at latitude 33.746 and longitude -117.868. Stay updated with localized weather information tailored for Santa Ana.

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