San Bernardino (CA)
October
Weather in San Bernardino, California for October 2026
Your guide to San Bernardino weather in October - trends and predictions
In general, the average temperature in San Bernardino at the beginning of October is 31.9 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 24.6 °F by the end of October.
Precipitation in San Bernardino during October is a rare event, with an average of fewer than 2 rainy days.
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Temperatures
Rain 🌧️
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31
Dry days
0
Rainy days
0
Snow days
29°/15°
Temperatures
13 km/h
Avg max wind
36 %
Avg humidity
San Bernardino Weather October
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Temperatures trend during October in San Bernardino
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October weather in San Bernardino day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Oct. 1 |  Cloudy | 28° /16° | 0.1 mm | 6 | |
| Oct. 2 |  Partly cloudy | 30° /16° | 0 mm | 8 | |
| Oct. 3 |  Sunny | 30° /17° | 0 mm | 8 | |
| Oct. 4 | Sunny | 32° /17° | 0 mm | 8 | |
| Oct. 5 | Sunny | 34° /19° | 0 mm | 8 | |
| Oct. 6 | Sunny | 34° /18° | 0 mm | 8 | |
| Oct. 7 | Partly cloudy | 35° /19° | 0 mm | 8 | |
| Oct. 8 | Sunny | 34° /18° | 0 mm | 9 | |
| Oct. 9 | Partly cloudy | 32° /19° | 8 mm | 8 | |
| Oct. 10 | Sunny | 31° /18° | 0 mm | 8 | |
| Oct. 11 | Sunny | 28° /15° | 0 mm | 7 | |
| Oct. 12 | Sunny | 29° /14° | 0 mm | 7 | |
| Oct. 13 |  Overcast | 25° /13° | 0 mm | 6 | |
| Oct. 14 | Partly cloudy | 23° /11° | 13.1 mm | 6 | |
| Oct. 15 | Partly cloudy | 26° /11° | 0 mm | 7 | |
| Oct. 16 | Sunny | 28° /13° | 0 mm | 7 | |
| Oct. 17 | Partly cloudy | 26° /15° | 0 mm | 6 | |
| Oct. 18 | Sunny | 29° /14° | 0 mm | 7 | |
| Oct. 19 | Sunny | 30° /15° | 0 mm | 8 | |
| Oct. 20 | Sunny | 32° /18° | 0 mm | 8 | |
| Oct. 21 | Sunny | 30° /16° | 0 mm | 8 | |
| Oct. 22 | Partly cloudy | 25° /14° | 0 mm | 6 | |
| Oct. 23 |  Patchy rain possible | 26° /13° | 0.1 mm | 6 | |
| Oct. 24 | Partly cloudy | 28° /13° | 0 mm | 7 | |
| Oct. 25 | Partly cloudy | 24° /13° | 0 mm | 6 | |
| Oct. 26 | Patchy rain possible | 24° /12° | 0 mm | 6 | |
| Oct. 27 | Cloudy | 26° /12° | 0 mm | 6 | |
| Oct. 28 | Sunny | 23° /11° | 0 mm | 6 | |
| Oct. 29 | Sunny | 24° /10° | 0 mm | 6 | |
| Oct. 30 | Sunny | 26° /11° | 0 mm | 7 | |
| Oct. 31 | Sunny | 25° /8° | 0 mm | 7 | |
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Important Notice
Our weather forecast for San Bernardino 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 forecast closer to your planned date for the most up-to-date weather information.
Change Month
San Bernardino in October - FAQ
What are the expected maximum and minimum temperatures in San Bernardino 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 during October?
Rainfall in San Bernardino 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 during October?
The average wind speed in San Bernardino during October is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
October rainfall patterns in San Bernardino
Explore the daily rainfall trends and prepare for San Bernardinos October weather 💧
UV exposure in San Bernardino during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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