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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:
57°F
62°F
57°F
N/A*
59°F
59°F
N/A*
* Weather report not
current
San Jacinto Forecast
Thursday, March 26, 2026
Current Outlook: Today in San Jacinto, expect sunny skies with temperatures steadily climbing to a high near 90 degrees. Winds will be calm throughout the morning and will become light and variable in the afternoon, peaking at around 10 mph by late afternoon. As we transition into the evening, conditions will remain clear with temperatures gradually decreasing to an overnight low of around 54 degrees, and winds will continue to be light and variable. The Week Ahead: The sunny conditions will persist into Friday, with a high once again approaching 91 degrees. However, winds will pick up slightly, introducing southwest gusts as high as 20 mph. Friday night's skies will turn partly cloudy with a low around 56 degrees. The weekend outlook indicates a slight warming trend with highs in the low 90s and partly sunny skies on Saturday, followed by a clear and sunny Sunday with a high near 92 degrees. Overnight lows will hover in the mid-50s. Early next week, temperatures will start to decrease, leading to a partly sunny Monday with a high in the mid-80s. By Tuesday, there's a slight chance of rain showers in the late afternoon, with mostly cloudy skies and a high in the mid-70s. This pattern of cooler temperatures and potential rain showers will continue into Wednesday. Today: Sunny , high near 90°F . Pollen level is rated "medium-high". Predicted air quality is good, AQI: 44 (courtesy of the SCAQMD). Tonight: Mostly clear, low around 54°F. Friday: Sunny, high of about 91°F. Friday night:Mostly cloudy, low near 56°F. Saturday: Partly sunny, high around 93°F. Saturday night: Partly cloudy, low of about 55°F. Sunday: Sunny, high near 92°F. Sunday night: Partly cloudy, low around 54°F. Monday: Mostly cloudy and cooler, high of about 86°F. Monday night: Mostly cloudy, low near 52°F. Tuesday: Mostly cloudy and cooler, high around 76°F. Tuesday night: Mostly cloudy with a slight chance of showers, low of about 49°F. Wednesday: Mostly cloudy with a slight chance of showers, 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
Record-breaking March heat wave will peak Thursday-Friday
As an unusually intense area of high pressure sits over the Western U.S., t ... Posted March 19, 2026, 2:27 PMOther Weather Information
National Weather Service
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