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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:
67°F
69°F
66°F
65°F
62°F
65°F
N/A*
* Weather report not
current
San Jacinto Forecast
Thursday, July 9, 2026
 Forecast not current
This afternoon in San Jacinto, the weather will be sunny and hot, with temperatures climbing to near 102° and a southwest wind around 10 mph, gusting near 20 mph. Tonight will be clear and cooler, with the temperature falling to around 64°. Friday stays sunny and a touch cooler, with a high near 100° and a southwest wind around 10 mph, gusting near 20 mph. The weekend looks mostly dry and warm, with highs near 99° on Saturday and near 97° on Sunday, while overnight lows hold in the mid to upper 60s. A slight chance of showers returns late Sunday night, then rain chances increase a bit on Monday, with the warm pattern continuing into next week and highs near 102° on Tuesday and near 104° on Wednesday. Today: Sunny and hot with a heat advisory in place , high near 102°F . Pollen level is rated "low-medium". Predicted air quality is good, AQI: 44 (courtesy of the SCAQMD). Tonight: Clear, low around 64°F. Friday: Sunny and hot, high of about 100°F. Friday night:Mostly clear, low near 64°F. Saturday: Mostly sunny and hot, high around 99°F. Saturday night: Partly cloudy, low of about 66°F. Sunday: Partly sunny and hot with a slight chance of showers in the late afternoon, high near 97°F. Sunday night: Partly cloudy, low around 67°F. Monday: Mostly sunny with a chance of showers after 11am, high of about 98°F. Monday night: Mostly clear, low near 69°F. Tuesday: Mostly sunny and hot with a slight chance of showers, high around 102°F. Tuesday night: Mostly clear, low of about 71°F. Wednesday: Mostly sunny with monsoonal moisture still in the region, high near 104°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
Multiple wildfires send smoke inland Tuesday afternoon
Two separate wildfires burning in the southern Santa Ana Mountains have sen ... Posted July 7, 2026, 5:15 PMOther Weather Information
National Weather Service
Other San Jacinto Weather Forecasts
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