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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:
59°F
56°F
62°F
N/A*
63°F
63°F
N/A*
* Weather report not
current
San Jacinto Forecast
Tuesday, May 5, 2026
The weather this afternoon in San Jacinto will stay mostly cloudy with a slight chance of a shower through about 5 PM, but any rain that does develop should be brief and light. Temperatures will top out near 62°, with a west wind around 5 mph to 10 mph. Tonight stays mostly cloudy and cool, with a low around 47° and a light southwest breeze. It will be a quiet evening for outdoor plans, though you may still want a light jacket if you're out late. Tomorrow brings a much nicer setup, with sunny skies and a warmer afternoon near 77°. A southwest wind around 10 mph could gust as high as 20 mph at times, so it will feel breezy, especially during the afternoon. Looking ahead through the week, sunshine dominates and temperatures climb quickly: near 88° Thursday, around 90° Friday, about 92° Saturday, then hotter still with 96° Sunday and near 99° Monday. This will be a great stretch for dry weather, but the heat will become the main concern by the weekend and early next week, so plan for more water, shade, and extra caution during the hottest part of the day. 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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