Posted Tuesday, October 20, 2026, 7:52 AM
Today in San Jacinto, the weather will be sunny and warm, with a high near 83° and a southwest breeze around 10 mph at times. Skies turn partly cloudy tonight, with a low around 57°.
Tomorrow starts mostly sunny, then a chance of rain showers develops after 11am as temperatures climb to near 78°. Showers and thunderstorms become likely Wednesday night, with some storms capable of heavy rain and a low around 57°. Thursday stays unsettled with showers and thunderstorms, again with the potential for heavy rain, and a high near 67°. Rain chances ease Thursday night, then Friday turns sunny and cooler with a high near 72°. The dry stretch continues into the weekend, with sunshine and highs in the upper 70s.
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Today:
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83°F 59°F |
Sunny |
| 0% chance of precipitation |
| Predicted Air Quality: good,
AQI:
50 (courtesy of the SCAQMD). |
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Pollen level is rated "low".
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Tuesday night / Wednesday morning:
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| 57°F |
Partly cloudy |
| 0% chance of precipitation |
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Wednesday:
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| 77°F |
Partly cloudy with a chance of showers after 11am. Gusty winds possible after noon |
| 20% chance of precipitation |
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Wednesday night / Thursday morning:
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| 56°F |
Cloudy with a good chance of rain showers |
| 80% chance of precipitation |
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Thursday:
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| 67°F |
Cloudy with showers |
| 90% chance of precipitation |
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Thursday night / Friday morning:
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| 51°F |
Mostly to partly cloudy with a chance of occasional rain showers |
| 30% chance of precipitation |
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Friday:
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| 72°F |
Sunny |
| 0% chance of precipitation |
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Friday night / Saturday morning:
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| 52°F |
Clear |
| 0% chance of precipitation |
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Saturday:
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| 77°F |
Sunny |
| 0% chance of precipitation |
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Saturday night / Sunday morning:
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| 55°F |
Mostly clear |
| 0% chance of precipitation |
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Sunday:
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| 77°F |
Sunny |
| 0% chance of precipitation |
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Sunday night / Monday morning:
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| 56°F |
Partly cloudy |
| 0% chance of precipitation |
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Monday:
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| 77°F |
Sunny |
| 0% chance of precipitation |
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