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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:
65°F
66°F
62°F
N/A*
60°F
61°F
N/A*
* Weather report not
current
San Jacinto Forecast
Tuesday, January 20, 2026
Current Outlook: Today in San Jacinto, expect clear skies with abundant sunshine. Temperatures will rise steadily, reaching a high near 77 degrees by the afternoon. Winds will remain light and variable throughout the day, generally staying under 5 mph. As we transition into the evening, conditions will continue to be mostly clear with temperatures cooling to a low around 46 degrees. Winds will persist as calm overnight. The Week Ahead: Looking forward, Wednesday will bring partly sunny skies with a high near 73 degrees and continued light southwest winds. By Wednesday night, anticipate mostly cloudy conditions with lows holding steady around 46 degrees. Thursday introduces a slight chance of rain showers after 4 PM, with partly sunny skies and a high near 66 degrees; the chance of precipitation stands at 20%. Rain chances will linger into Thursday night before 4 AM. The latter part of the week shows a trend towards partly sunny days, with highs in the mid-60s and overnight lows in the mid-40s. The weekend outlook is more favorable, with mostly sunny skies and daytime temperatures gradually warming to near 70 degrees by Sunday. Today: Sunny , high near 77°F . Pollen level is rated "low-medium". Predicted air quality is good, AQI: 34 (courtesy of the SCAQMD). Tonight: Mostly clear, low around 48°F. Wednesday: Sunny, high of about 73°F. Wednesday night:Partly cloudy, low near 47°F. Thursday: Partly sunny, high around 66°F. Thursday night: Cloudy with a slight chance of showers, low of about 45°F. Friday: Partly cloudy, high near 65°F. Friday night: Mostly cloudy, low around 43°F. Saturday: Mostly sunny, high of about 67°F. Saturday night: Mostly clear, low near 42°F. Sunday: Sunny, high around 69°F. Sunday night: Partly cloudy, low of about 46°F. Monday: Mostly sunny, high near 71°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
Unsettled weather to continue Wednesday; Drier and windier weather to follow
One more round of wet weather is possible across parts of the region for We ... Posted January 7, 2026, 2:46 AMOther Weather Information
National Weather Service
Other San Jacinto Weather Forecasts
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