San Bernardino County
October
Weather in San Bernardino County for October 2025
Your guide to San Bernardino County weather in October - trends and predictions
In general, the average temperature in San Bernardino County at the beginning of October is 34.6 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 22.6 °F by the end of October.
Precipitation in San Bernardino County during October is a rare event, with an average of fewer than 2 rainy days.
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31
Dry days
0
Rainy days
0
Snow days
29°/15°
Temperatures
13 km/h
Avg max wind
39 %
Avg humidity
San Bernardino County in October average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  29° | 2  32° | 3 34° | 4 35° | 5 37° | ||
| 6 38° | 7  37° | 8 35° | 9 34° | 10 31° | 11 29° | 12 30° |
| 13  27° | 14 27° | 15 29° | 16 29° | 17 25° | 18 29° | 19 31° |
| 20 34° | 21 30° | 22 29° | 23  28° | 24 26° | 25 24° | 26 24° |
| 27 25° | 28 19° | 29 19° | 30 22° | 31 25° |
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Temperatures trend during October in San Bernardino County
See the weather trend as well as the moving average line
October weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Oct. 1 | Cloudy | 29° /17° | 0.1 mm | 7 | |
| Oct. 2 | Sunny | 32° /18° | 0 mm | 8 | |
| Oct. 3 | Sunny | 34° /19° | 0 mm | 9 | |
| Oct. 4 | Sunny | 35° /19° | 0 mm | 9 | |
| Oct. 5 | Sunny | 37° /21° | 0 mm | 9 | |
| Oct. 6 | Sunny | 38° /21° | 0 mm | 9 | |
| Oct. 7 | Partly cloudy | 37° /21° | 0 mm | 9 | |
| Oct. 8 | Sunny | 35° /20° | 0 mm | 9 | |
| Oct. 9 | Partly cloudy | 34° /20° | 0 mm | 9 | |
| Oct. 10 | Sunny | 31° /18° | 0 mm | 8 | |
| Oct. 11 | Partly cloudy | 29° /15° | 0 mm | 7 | |
| Oct. 12 | Sunny | 30° /16° | 0 mm | 8 | |
| Oct. 13 | Overcast | 27° /14° | 0 mm | 7 | |
| Oct. 14 | Partly cloudy | 27° /13° | 0 mm | 7 | |
| Oct. 15 | Sunny | 29° /14° | 0 mm | 8 | |
| Oct. 16 | Sunny | 29° /15° | 0 mm | 7 | |
| Oct. 17 | Partly cloudy | 25° /15° | 0.1 mm | 6 | |
| Oct. 18 | Sunny | 29° /13° | 0 mm | 8 | |
| Oct. 19 | Sunny | 31° /15° | 0 mm | 8 | |
| Oct. 20 | Sunny | 34° /20° | 0 mm | 8 | |
| Oct. 21 | Sunny | 30° /16° | 0 mm | 8 | |
| Oct. 22 | Partly cloudy | 29° /15° | 0 mm | 8 | |
| Oct. 23 | Patchy rain possible | 28° /15° | 0.1 mm | 7 | |
| Oct. 24 | Partly cloudy | 26° /14° | 0 mm | 7 | |
| Oct. 25 | Partly cloudy | 24° /13° | 0 mm | 7 | |
| Oct. 26 | Patchy rain possible | 24° /12° | 0 mm | 6 | |
| Oct. 27 | Cloudy | 25° /13° | 0 mm | 6 | |
| Oct. 28 | Sunny | 19° /9° | 0 mm | 5 | |
| Oct. 29 | Sunny | 19° /7° | 0 mm | 6 | |
| Oct. 30 | Sunny | 22° /7° | 0 mm | 6 | |
| Oct. 31 | Sunny | 25° /8° | 0 mm | 7 | |
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Important Notice
Our weather forecast for San Bernardino County 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 Bernardino County forecast closer to your planned date for the most up-to-date weather information.
San Bernardino County in October - FAQ
What are the expected maximum and minimum temperatures in San Bernardino County during October?
During October, expect a variety of temperatures with highs around 29° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in San Bernardino County during October?
Rainfall in San Bernardino County 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 Bernardino County during October?
The average wind speed in San Bernardino County during October is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
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Where is San Bernardino County?Get accurate weather forecasts for San Bernardino County, located at latitude 34.108 and longitude -117.29. Stay updated with localized weather information tailored for San Bernardino County.
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