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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*
83°F
89°F
85°F
83°F
82°F
N/A*
* Weather report not
current
San Jacinto Forecast
Tuesday, September 22, 2026
This afternoon in San Jacinto, the weather will be sunny and warm, with temperatures climbing to near 87° this afternoon before easing back to around 61° tonight. Tomorrow will be sunny and hotter, with a high near 93°. Thursday stays warm with a slight chance of showers and thunderstorms between 11am and 5pm, then mostly clear Thursday night with a low around 64°. Friday looks sunny and a touch cooler near 94°, followed by mostly clear skies Friday night with a low around 66°. Saturday stays sunny with a high near 92°, then mostly clear Saturday night with a low around 63°. Sunday brings more sunshine and a high near 86°, with mostly clear skies Sunday night and a low around 59°. Monday stays sunny and pleasant near 86°, with mostly clear skies Monday night and a low around 60°. Today: Sunny and warm. Light breezes , high near 87°F . Pollen level is rated "medium". Predicted air quality is moderate, AQI: 55 (courtesy of the SCAQMD). Tonight: Clear. Light breezes, low around 62°F. Wednesday: Sunny and very warm, high of about 93°F. Wednesday night:Clear, low near 62°F. Thursday: Sunny with increasing clouds after noon and a slight chance of thunderstorms, high around 94°F. Thursday night: Mostly clear, low of about 64°F. Friday: Sunny and very warm, high near 94°F. Friday night: Mostly clear, low around 67°F. Saturday: Sunny, high of about 92°F. Saturday night: Mostly clear, low near 64°F. Sunday: Sunny and cooler, high around 86°F. Sunday night: Mostly clear, low of about 59°F. Monday: Sunny, high near 85°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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