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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:
52°F
51°F
55°F
N/A*
54°F
55°F
N/A*
* Weather report not
current
San Jacinto Forecast
Tuesday, May 5, 2026
Current Outlook: The weather this afternoon in San Jacinto is mostly cloudy with a slight chance of rain showers through 5 PM, and temperatures will top out near 62°. Any shower that develops should be brief and light, with new rainfall amounts staying under a tenth of an inch. West winds will stay light, around 10 mph at times. Tonight stays mostly cloudy and cool, with a low around 47°. Southwest winds will remain light, around 10 mph or less. The Week Ahead: Wednesday turns sunny and much warmer in San Jacinto, with a high near 77° and southwest winds around 10 mph, gusting near 20 mph at times. Thursday stays sunny and even warmer, reaching near 88° with west winds around 15 mph and gusts near 25 mph. Friday brings more sunshine and a high near 90°, then Saturday stays sunny and hot near 92°. Sunday heats up further with a high near 96°, and Monday looks hottest of the stretch near 99°, with clear nights and mild lows in the upper 50s to low 60s. Today: Party sunny. Light breezes. 30 percent chance of showers in the morning , high near 63°F . Pollen level is rated "medium". Predicted air quality is moderate, AQI: 51 (courtesy of the SCAQMD). Tonight: Mostly cloudy and cool. Light breezes, low around 46°F. Wednesday: Sunny, high of about 78°F. Wednesday night:Clear, low near 54°F. Thursday: Sunny and warm, high around 87°F. Thursday night: Clear, low of about 58°F. Friday: Sunny and very warm, high near 89°F. Friday night: Clear, low around 59°F. Saturday: Sunny and very warm, high of about 91°F. Saturday night: Mostly clear, low near 62°F. Sunday: Sunny and hot, high around 85°F. Sunday night: Clear, low of about 64°F. Monday: Sunny and hot, high near 98°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: April 25th-26th, 2026
A late-season Pacific storm brought cool temperatures and showers to the re ... Posted April 27, 2026, 9:14 AMOther Weather Information
National Weather Service
Other San Jacinto Weather Forecasts
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