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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:
45°F
46°F
48°F
N/A*
47°F
48°F
N/A*
* Weather report not
current
San Jacinto Forecast
Monday, January 5, 2026
Today's Forecast: Partly sunny conditions will prevail today with a high near 59. Winds will be light, coming from the south. Tonight, expect mostly cloudy skies with a low around 43 and calm east winds. It's a good day for outdoor activities, but have a jacket ready for the cooler evening temperatures. The Week Ahead: The weather pattern remains stable with partly sunny to sunny days and partly cloudy nights. Temperatures will gradually warm up, reaching a high near 67 by Saturday and sunny skies. Sunday will continue the warming trend with a high near 70. Plan your weekend activities with confidence in this pleasant weather, but keep a light layer handy for the cooler evenings. Today: Partly cloudy with a chance of showers early , high near 59°F . Pollen level is rated "low-medium". Predicted air quality is good, AQI: 34 (courtesy of the SCAQMD). Tonight: Mostly cloudy, low around 43°F. Tuesday: Partly sunny, high of about 62°F. Tuesday night:Partly cloudy, low near 44°F. Wednesday: Mostly sunny, high around 63°F. Wednesday night: Partly cloudy, low of about 42°F. Thursday: Sunny, high near 62°F. Thursday night: Mostly clear, low around 40°F. Friday: Sunny, high of about 64°F. Friday night: Mostly clear, low near 40°F. Saturday: Sunny, high around 67°F. Saturday night: Mostly clear, low of about 42°F. Sunday: Sunny, high near 70°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: December 23rd-27th, 2025
Several storm systems impacted Southern California during the week of Chris ... Posted December 28, 2025, 11:18 AMOther Weather Information
National Weather Service
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