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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:
87°F
84°F
89°F
N/A*
85°F
84°F
N/A*
* Weather report not
current
San Jacinto Forecast
Monday, June 1, 2026
This afternoon in San Jacinto, the weather will be sunny and warm, with temperatures climbing to near 88° and a southwest wind around 15 mph, with gusts near 25 mph. Tonight stays mostly clear and quiet, cooling to around 55°. Tuesday brings more sunshine with a high near 87° and a west wind around 10 mph. Tuesday night stays mostly clear, with a low around 57°. Wednesday stays sunny and a bit warmer, reaching near 91°, then mostly clear Wednesday night with a low around 58°. Thursday looks sunny again with a high near 91°, followed by a mostly clear night and a low around 57°. Friday stays sunny with a high near 88° and a mostly clear night around 56°. The weekend trends a little cooler, with sunshine and highs near 85° on Saturday and near 83° on Sunday, while overnight lows hold near 54° both nights. Today: Sunny and warm. Afternoon breezes , high near 88°F . Pollen level is rated "low-medium". Predicted air quality is moderate, AQI: 64 (courtesy of the SCAQMD). Tonight: Mostly clear. Light breezes, low around 56°F. Tuesday: Sunny and warm. Light breezes, high of about 86°F. Tuesday night:Mostly clear. Light breezes, low near 56°F. Wednesday: Sunny and very warm, high around 91°F. Wednesday night: Clear, low of about 59°F. Thursday: Sunny and very warm, high near 91°F. Thursday night: Mostly clear, low around 57°F. Friday: Sunny and warm, high of about 88°F. Friday night: Mostly clear, low near 56°F. Saturday: Sunny and warm, high around 86°F. Saturday night: Mostly clear, low of about 55°F. Sunday: Mostly sunny, high near 83°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
Storm Totals: May 4th-5th, 2026
A low pressure system off the Central California coast brought unsettled we ... Posted May 7, 2026, 10:22 PMOther Weather Information
National Weather Service
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