Currently 65°F in San Jacinto, California, USA
65°F
66°F / 57°F
calm
0.00"
Tuesday, October 20, 2026 9:07 AM PDT

Seven Day Forecast for San Jacinto, California

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.

Sunny
Today:
83°F 
59°F 
Sunny
0% chance of precipitation
Predicted Air Quality: good, AQI: 50 (courtesy of the SCAQMD).
Pollen level is rated "low".
Tuesday night / Wednesday morning:
57°F  Partly cloudy
0% chance of precipitation
Partly cloudy, Chance of showers
Wednesday:
77°F  Partly cloudy with a chance of showers after 11am. Gusty winds possible after noon
20% chance of precipitation
Wednesday night / Thursday morning:
56°F  Cloudy with a good chance of rain showers
80% chance of precipitation
Showers, Cloudy
Thursday:
67°F  Cloudy with showers
90% chance of precipitation
Thursday night / Friday morning:
51°F  Mostly to partly cloudy with a chance of occasional rain showers
30% chance of precipitation
Sunny
Friday:
72°F  Sunny
0% chance of precipitation
Friday night / Saturday morning:
52°F  Clear
0% chance of precipitation
Sunny
Saturday:
77°F  Sunny
0% chance of precipitation
Saturday night / Sunday morning:
55°F  Mostly clear
0% chance of precipitation
Sunny
Sunday:
77°F  Sunny
0% chance of precipitation
Sunday night / Monday morning:
56°F  Partly cloudy
0% chance of precipitation
Sunny
Monday:
77°F  Sunny
0% chance of precipitation

The San Jacinto, California weather pages are a service of WeatherCurrents. San Jacinto is located in the heart of the San Jacinto Valley, near Hemet, the Soboba Casino, and at the foot of the San Jacinto Mountains.
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