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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:
93°F
90°F
99°F
91°F
N/A*
90°F
N/A*
* Weather report not
current
San Jacinto Forecast
Friday, October 9, 2026
This afternoon in San Jacinto, the weather will be sunny and warm, with temperatures climbing to near 95° before easing back to around 64° overnight. Tomorrow will start mostly cloudy, then a slight chance of rain showers develops after 5 PM as highs reach near 84°. Rain showers become likely Saturday night with a low around 61°, then Sunday stays unsettled with rain showers likely and a high near 75°, along with gusts near 25 mph. Rain continues Sunday night with a low around 50°, and Columbus Day stays rainy and cooler with a high near 64°. A chance of showers lingers Monday night with a low around 46°, then sunshine returns Tuesday with a high near 69°, followed by mostly clear skies Tuesday night and a low around 48°. Wednesday looks sunny and warmer near 78°, then clear Wednesday night with a low around 53°, and Thursday turns sunny again with a high near 84°. Today: Sunny , high near 95°F . Pollen level is rated "medium". Predicted air quality is moderate, AQI: 55 (courtesy of the SCAQMD). Tonight: Increasing clouds, low around 64°F. Saturday: Cloudy and cooler, high of about 84°F. Saturday night:Showers possible late night and into Sunday morning, low near 61°F. Sunday: Showers likely. Rain could be heavy at times. Gusty winds. 1/2" to 1" rain possible, high around 75°F. Sunday night: Showers likely, low of about 52°F. Monday: Rain continuing, high near 63°F. Monday night: Mostly cloudy with showers possible, low around 47°F. Tuesday: Sunny, high of about 69°F. Tuesday night: Mostly clear, low near 48°F. Wednesday: Sunny and warmer, high around 78°F. Wednesday night: Clear, low of about 54°F. Thursday: Sunny and warmer, high near 84°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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