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
80°F
64°F
N/A*
61°F
65°F
N/A*
* Weather report not
current
San Jacinto Forecast
Monday, September 8, 2025
Today's Forecast: Expect a sunny and warm day in San Jacinto with a high near 94. The weather is perfect for outdoor activities, though it will be quite hot, so be sure to stay hydrated and wear sunscreen if you're spending extended periods outside. Breezy conditions may occur, but they are not expected to disrupt your daily routine. The Week Ahead: The sunny trend continues into Tuesday, with temperatures slightly cooling to a high near 87. Nighttime will bring clear skies and a low around 59. Be aware that patchy fog may develop late Tuesday night and could linger into the morning hours, potentially affecting early commutes. This pattern repeats on Wednesday and Thursday with daytime highs in the low 80s and patchy morning fog. Looking towards the weekend, the weather will remain mostly stable, with mostly sunny days and highs gradually climbing to around 90 by Saturday. Evenings will be consistently clear with lows around the upper 50s to 60. There are no significant weather events expected for the weekend, so it should be a beautiful time for any outdoor plans. Today: Sunny and very warm. Afternoon breezes , high near 93°F . Pollen level is rated "medium". Predicted air quality is good, AQI: 40 (courtesy of the SCAQMD). Tonight: Clear. Light breezes, low around 58°F. Tuesday: Sunny and warm. Afternoon breezes, high of about 86°F. Tuesday night:Increasing clouds. Light breezes, low near 54°F. Wednesday: Low clouds early, becoming sunny and warm, high around 80°F. Wednesday night: Mostly clear, low of about 53°F. Thursday: Sunny, high near 80°F. Thursday night: Mostly clear, low around 54°F. Friday: Sunny and warm, high of about 84°F. Friday night: Clear, low near 59°F. Saturday: Sunny and warm, high around 89°F. Saturday night: Clear, low of about 60°F. Sunday: Sunny, high near 89°F. San Jacinto forecast updated daily. Based on data from the National Weather Service, San Diego office and from WeatherCurrents.Recently in
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Full moon: The evening moon rises above Mountain View High School in San Jacinto. Photo courtesy of Denise Leonard.
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