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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:
N/A*
92°F
97°F
94°F
92°F
90°F
N/A*
* Weather report not
current
San Jacinto Forecast
Wednesday, September 23, 2026
This afternoon in San Jacinto, the weather will be sunny and warm, with temperatures climbing to near 97° and a southwest breeze around 10 mph at times, with gusts near 20 mph. Skies stay clear this evening, and overnight lows settle to around 66°. Tomorrow starts sunny, then a slight chance of showers and thunderstorms develops between 11 AM and 5 PM, with the best chance for any brief activity in the afternoon. Highs reach near 97° again, then Thursday night turns mostly clear and cools to around 67°. Friday stays sunny and a touch cooler near 95°, followed by a partly cloudy Friday night around 67°. The weekend looks mostly sunny and a little cooler, with highs near 94° Saturday and near 87° Sunday, while overnight lows dip to around 64° Saturday night and near 58° Sunday night. Early next week stays dry and pleasant, with sunshine and highs near 85° Monday and near 88° Tuesday, along with overnight lows around 58° Monday night and near 61° Tuesday night. Today: Sunny and very warm , high near 97°F . Pollen level is rated "medium". Predicted air quality is moderate, AQI: 55 (courtesy of the SCAQMD). Tonight: Clear, low around 67°F. Thursday: Sunny with increasing clouds after noon and a slight chance of thunderstorms, high of about 96°F. Thursday night:Mostly clear, low near 68°F. Friday: Sunny and very warm, high around 95°F. Friday night: Mostly clear, low of about 68°F. Saturday: Sunny, high near 93°F. Saturday night: Mostly clear, low around 65°F. Sunday: Sunny and cooler, high of about 86°F. Sunday night: Mostly clear, low near 59°F. Monday: Sunny, high around 84°F. Monday night: Mostly clear, low of about 59°F. Tuesday: Sunny, high near 88°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
San Jacinto Station down for repair
The weather station that reports for San Jacinto failed on September 10th a ... Posted September 22, 2026, 8:48 AMOther Weather Information
National Weather Service
Other San Jacinto Weather Forecasts
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