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San Jacinto Forecast Summary
Currently in San Jacinto
Temperature, Humidity, Wind & Pressure
Sunrise & Sunset
Extreme Temperatures
Precipitation
Data captured from a Davis Instruments Vantage Pro 2
Local Weather Roundup
San Jacinto:
N/A*
66°F
63°F
64°F
63°F
65°F
N/A*
* Weather report not
current
San Jacinto Forecast
Tuesday, September 29, 2026
This afternoon in San Jacinto, the weather will be sunny and warm, with temperatures climbing to near 88° this afternoon before easing back to around 61° overnight under mostly clear skies. Tomorrow will be sunny again, with a high near 91°. Thursday stays sunny and warmer, reaching near 97°, then Friday turns even hotter with a high near 99°. The weekend stays sunny and dry, with highs near 98° on Saturday and near 97° on Sunday, before Monday stays sunny and a little cooler with a high near 96°. Today: Sunny , high near 88°F . Pollen level is rated "medium". Predicted air quality is moderate, AQI: 55 (courtesy of the SCAQMD). Tonight: Clear, low around 62°F. Wednesday: Sunny, high of about 91°F. Wednesday night:Clear, low near 64°F. Thursday: Sunny and much warmer, high around 96°F. Thursday night: Clear, low of about 67°F. Friday: Sunny and hot, high near 99°F. Friday night: Mostly clear, low around 68°F. Saturday: Sunny, high of about 98°F. Saturday night: Clear, low near 70°F. Sunday: Sunny and very warm, high around 97°F. Sunday night: Clear, low of about 69°F. Monday: Sunny, high near 96°F. San Jacinto forecast updated daily. Based on data from the National Weather Service, San Diego office and from WeatherCurrents.Recently in
San Jacinto
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San Jacinto
Featured Photos
Full moon: The evening moon rises above Mountain View High School in San Jacinto. Photo courtesy of Denise Leonard.
San Jacinto
Weather News
San Jacinto Station down for repair
The weather station that reports for San Jacinto failed on September 10th a ... Posted September 22, 2026, 8:48 AMOther Weather Information
National Weather Service
Other San Jacinto Weather Forecasts
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