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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:
95°F
92°F
104°F
93°F
N/A*
92°F
N/A*
* Weather report not
current
San Jacinto Forecast
Wednesday, October 7, 2026
This afternoon in San Jacinto, the weather will be sunny and very hot, and an Extreme Heat Warning remains in effect through Thursday evening. Highs will climb to near 101°, with a west wind around 15 mph and gusts near 25 mph at times. Skies stay clear tonight, with the temperature cooling to around 68°. Tomorrow will bring another sunny and hot day, with a high near 101° and a southwest wind around 10 mph. Thursday night stays mostly clear and mild, with a low around 67°. Friday turns a little cooler with sunshine and a high near 96°, then Saturday looks mostly sunny and noticeably cooler near 87°. A chance of showers arrives Sunday and continues into Columbus Day, with highs easing back to around 78° on Sunday and near 71° on Monday. A slight chance of showers lingers Tuesday, with sunshine returning and a high near 74°. Today: Sunny and hot , high near 101°F . Pollen level is rated "medium". Predicted air quality is moderate, AQI: 55 (courtesy of the SCAQMD). Tonight: Clear, low around 70°F. Thursday: Sunny and hot, high of about 100°F. Thursday night:Clear, low near 68°F. Friday: Sunny, high around 94°F. Friday night: Mostly clear, low of about 64°F. Saturday: Mostly sunny and cooler, high near 86°F. Saturday night: A chance of showers after 11pm Saturday night. Mostly cloudy, low around 61°F. Sunday: Cloudy and much cooler with showers likely, high of about 67°F. Sunday night: Showers likely, low near 53°F. Monday: Cloudy with a chance of showers, high around 68°F. Monday night: Mostly cloudy with showers possible, low of about 50°F. Tuesday: Mostly cloudy with a continued chance of showers, high near 70°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 Weather Station back online
The new parts came in from Davis Instruments and have been put back into th ... Posted October 5, 2026, 5:48 PMOther Weather Information
National Weather Service
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