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Weather in Fontana for October 2025

Your guide to Fontana weather in October - trends and predictions

    Temperatures

  • In general, the average temperature in Fontana at the beginning of October is 34.4 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 21.1 °F by the end of October.

    • Rain 🌧️

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

    • More

  • Halloween weather in Fontana 🎃 - 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
28°/17°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
36 %
Avg humidity

Fontana in October average weather

Move between months or click on a day
September
November
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Overcast
29°
2
Sunny
31°
3
Sunny
34°
4
Sunny
35°
5
Sunny
37°
6
Sunny
38°
7
Partly cloudy
37°
8
Sunny
35°
9
Cloudy
34°
10
Sunny
30°
11
Partly cloudy
28°
12
Sunny
30°
13
Overcast
26°
14
Partly cloudy
26°
15
Sunny
29°
16
Sunny
29°
17
Cloudy
24°
18
Sunny
29°
19
Sunny
30°
20
Sunny
34°
21
Sunny
29°
22
Partly cloudy
27°
23
Patchy rain possible
27°
24
Partly cloudy
25°
25
Partly cloudy
23°
26
Patchy rain possible
23°
27
Cloudy
22°
28
Sunny
18°
29
Sunny
19°
30
Sunny
21°
31
Sunny
22°
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Temperatures trend during October in Fontana

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 Overcast
Overcast
 29° /17° 0.1 mm 7
Oct. 2 Sunny
Sunny
 31° /18° 0 mm 8
Oct. 3 Sunny
Sunny
 34° /18° 0 mm 9
Oct. 4 Sunny
Sunny
 35° /19° 0 mm 9
Oct. 5 Sunny
Sunny
 37° /21° 0 mm 9
Oct. 6 Sunny
Sunny
 38° /22° 0 mm 9
Oct. 7 Partly cloudy
Partly cloudy
 37° /24° 0 mm 9
Oct. 8 Sunny
Sunny
 35° /23° 0 mm 9
Oct. 9 Cloudy
Cloudy
 34° /23° 0 mm 8
Oct. 10 Sunny
Sunny
 30° /21° 0 mm 8
Oct. 11 Partly cloudy
Partly cloudy
 28° /17° 0 mm 7
Oct. 12 Sunny
Sunny
 30° /16° 0 mm 7
Oct. 13 Overcast
Overcast
 26° /15° 0 mm 6
Oct. 14 Partly cloudy
Partly cloudy
 26° /15° 0 mm 7
Oct. 15 Sunny
Sunny
 29° /16° 0 mm 7
Oct. 16 Sunny
Sunny
 29° /17° 0 mm 8
Oct. 17 Cloudy
Cloudy
 24° /16° 0 mm 6
Oct. 18 Sunny
Sunny
 29° /15° 0 mm 8
Oct. 19 Sunny
Sunny
 30° /16° 0 mm 8
Oct. 20 Sunny
Sunny
 34° /20° 0 mm 8
Oct. 21 Sunny
Sunny
 29° /16° 0 mm 7
Oct. 22 Partly cloudy
Partly cloudy
 27° /15° 0 mm 7
Oct. 23 Patchy rain possible
Patchy rain possible
 27° /16° 0.1 mm 7
Oct. 24 Partly cloudy
Partly cloudy
 25° /15° 0 mm 6
Oct. 25 Partly cloudy
Partly cloudy
 23° /13° 0 mm 6
Oct. 26 Patchy rain possible
Patchy rain possible
 23° /14° 0 mm 5
Oct. 27 Cloudy
Cloudy
 22° /14° 0 mm 5
Oct. 28 Sunny
Sunny
 18° /11° 0 mm 5
Oct. 29 Sunny
Sunny
 19° /8° 0 mm 6
Oct. 30 Sunny
Sunny
 21° /9° 0 mm 5
Oct. 31 Sunny
Sunny
 22° /10° 0 mm 6
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Important Notice
Our weather forecast for Fontana 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 Fontana forecast closer to your planned date for the most up-to-date weather information.

Fontana in October - FAQ

What are the expected maximum and minimum temperatures in Fontana during October?
During October, expect a variety of temperatures with highs around 28° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Fontana during October?
Rainfall in Fontana 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 Fontana during October?
The average wind speed in Fontana during October is 13 km/h, suggesting breezy to windy conditions, depending on your activities.

October rainfall patterns in Fontana

Explore the daily rainfall trends and prepare for Fontanas October weather 💧

UV exposure in Fontana during October

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

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Location coordinates Where is Fontana?

Get accurate weather forecasts for Fontana, located at latitude 34.092 and longitude -117.435. Stay updated with localized weather information tailored for Fontana.

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