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:
71°F
68°F
72°F
N/A*
69°F
70°F
N/A*
* Weather report not
current
San Jacinto Forecast
Tuesday, October 21, 2025
Today's Forecast: The afternoon in San Jacinto will be mostly sunny with highs reaching near 89 degrees. Winds will remain light to moderate from the southwest. As we move into the evening, expect patchy fog to develop after 2am, alongside partly cloudy skies and a low around 53 degrees. The light winds from the west should not impact evening activities. The Week Ahead: Wednesday will start with patchy fog before 11am, later giving way to mostly sunny skies and a cooler high near 73 degrees. Breezy conditions may develop throughout the day. The pattern of patchy fog continues into early Thursday, before clearing to sunny skies and a high near 79 degrees. Looking towards the weekend, expect mostly sunny to clear conditions with daytime highs comfortably ranging from 76 to 85 degrees and nighttime lows consistently in the mid-50s. No significant weather events are expected to interrupt weekend plans. Today: Mostly cloudy with some sunshine possible , high near 82°F . Pollen level is rated "low-medium". Predicted air quality is good, AQI: 48 (courtesy of the SCAQMD). Tonight: Mostly clear, low around 52°F. Wednesday: Mostly sunny after early morning fog and clouds burn away, high of about 71°F. Wednesday night:Patchy fog possible, low near 50°F. Thursday: Sunny, high around 78°F. Thursday night: Mostly clear, low of about 56°F. Friday: Sunny and warm, high near 84°F. Friday night: Mostly clear, low around 56°F. Saturday: Mostly sunny, high of about 79°F. Saturday night: Partly cloudy, low near 53°F. Sunday: Mostly sunny, high around 75°F. Sunday night: Partly cloudy, low of about 52°F. Monday: Sunny, high near 78°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.
San Jacinto
Weather News
Storm Totals: October 14th-15th, 2025
A Pacific low pressure system brought widespread rain and windy conditions ... Posted October 15, 2025, 11:05 PMOther Weather Information
National Weather Service
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