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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:
99°F
97°F
102°F
N/A*
97°F
96°F
N/A*
* Weather report not
current
San Jacinto Forecast
Friday, March 20, 2026
Current Outlook: San Jacinto is experiencing a sunny day with temperatures expected to peak at around 100 degrees this afternoon. Winds are light and variable, increasing slightly to 10 mph as we approach the late afternoon hours. As we transition into the evening, the sky will remain mostly clear with temperatures gradually descending to a low near 60 degrees, while winds shift to a southerly direction at a calm pace. The Week Ahead: The sunny conditions will persist into Saturday with a slightly cooler high of 93 degrees, accompanied by southwest winds that may present gusts up to 20 mph. Saturday night's forecast indicates a turn towards mostly cloudy skies, with lows around 56 degrees. Sunday will bring mostly sunny skies with a high near 91 degrees and continued calm west winds. The clear pattern remains steady into the next week, with daytime highs consistently in the low to mid-90s and overnight lows hovering around the upper 50s. Overall, the week ahead looks to offer stable and dry conditions for San Jacinto. Today: Sunny and hot , high near 100°F . Pollen level is rated "medium-high". Predicted air quality is good, AQI: 44 (courtesy of the SCAQMD). Tonight: Clear, low around 59°F. Saturday: Sunny and a little cooler, high of about 93°F. Saturday night:Mostly clear and cooler, low near 56°F. Sunday: Mostly sunny, high around 90°F. Sunday night: Mostly clear, low of about 57°F. Monday: Sunny, high near 93°F. Monday night: Clear, low around 58°F. Tuesday: Sunny and hot, high of about 95°F. Tuesday night: Clear, low near 59°F. Wednesday: Sunny and hot, high around 95°F. Wednesday night: Clear, low of about 58°F. Thursday: Sunny, high near 94°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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