Currently 61°F in San Jacinto, California, USA
61°F
68°F / 61°F
calm
0.00"
Wednesday, September 2, 2026 3:23 AM PDT
San Jacinto Forecast Summary
Today Tomorrow Friday
Sunny Sunny Sunny
Sunny   Sunny   Sunny
High: 89°F High: 88°F High: 88°F
Low: 61°F Low: 60°F Low: 59°F
Currently in San Jacinto

Temperature, Humidity, Wind & Pressure

Time:  3:23 AM PDT
Temperature:  61°F
Normal Temperature 72°F
Relative Humidity:  40%
Dewpoint:  36°F
Heat Index:  61°F
Wind Chill:  61°F
Wind:  calm
Gusts:  3 mph
Barometer:  30.51" HgPressure Change rising

Sunrise & Sunset

Sunrise Sunset Daylight
Today: 6:21 AM 7:11 PM 12:50
Tomorrow: 6:22 AM 7:10 PM 12:48
30 Day Sunrise and Sunset Almanac

Extreme Temperatures

Today Time Normal Last Year
High: 68°F 12:01 AM 97°F 95°F
Low: 61°F 3:18 AM 66°F 80°F

Precipitation

60 Min. Today Month Season
0.00" 0.00" 0.00" 0.00"
Season began July 1, 2026
Past Season Precipitation Totals
Data captured from a Davis Instruments Vantage Pro 2
Local Weather Roundup
San Jacinto:
61°F
62°F
61°F
61°F
60°F
63°F
N/A*
* Weather report not current
San Jacinto Forecast
Tuesday, September 1, 2026

This afternoon in San Jacinto, the weather will be sunny and warm, with temperatures climbing to near 91° and a southwest breeze around 15 mph at times. Skies stay clear this evening, and overnight lows will cool to around 60°.

Tomorrow will be sunny again, with a high near 90° and a south wind around 15 mph. Wednesday night stays clear and cool near 59°, then Thursday brings more sunshine with a high near 88° and a southwest breeze around 10 mph. Thursday night dips to around 58°, and Friday looks sunny with a high near 89°. By Friday night, a chance of rain showers returns after 11pm, with a low around 60°. Saturday keeps that shower chance in the forecast with a high near 88°, and Saturday night stays mostly cloudy near 66°. Sunday brings a better chance of showers and a few thunderstorms, with a high near 91°, followed by a mostly cloudy Sunday night near 68°. Labor Day stays warm with a chance of showers and a high near 92°, and Monday night turns partly cloudy with a low around 67°.

Today: Sunny and cooler , high near 91°F .

Pollen level is rated "low-medium".

Predicted air quality is good, AQI: 44 (courtesy of the SCAQMD).

Tonight: Clear, low around 61°F.

Wednesday: Sunny, high of about 89°F.

Wednesday night:Clear, low near 60°F.

Thursday: Sunny, high around 88°F.

Thursday night: Clear, low of about 59°F.

Friday: Sunny, high near 88°F.

Friday night: Partly cloudy with a slight chance of showers, low around 61°F.

Saturday: Cloudy with a chance of showers, high of about 87°F.

Saturday night: Cloudy with a chance of showers, low near 67°F.

Sunday: Mostly cloudy with a continued chance of showers and thunderstorms, high around 91°F.

Sunday night: Partly to mostly cloudy with a chance of showers, low of about 69°F.

Monday: Mostly cloudy with a slight chance of showers, high near 91°F.

San Jacinto forecast updated daily. Based on data from the National Weather Service, San Diego office and from WeatherCurrents.
Recently in San Jacinto
Date High Low Ave. Prec.
September 1 92°F 60°F 75°F 0.00"
August 31 93°F 66°F 78°F 0.00"
August 30 97°F 70°F 83°F 0.00"
August 29 101°F 75°F 88°F 0.00"
August 28 106°F 76°F 90°F 0.00"
August 27 103°F 79°F 91°F 0.00"
August 26 108°F 75°F 92°F 0.00"
More Past Weather
San Jacinto Featured Photos
Full Moon
Full moon: The evening moon rises above Mountain View High School in San Jacinto. Photo courtesy of Denise Leonard.
San Jacinto Weather News
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Posted August 31, 2026, 11:57 PM
Other Weather Information

The San Jacinto, California weather pages are a service of WeatherCurrents. San Jacinto is located in the heart of the San Jacinto Valley, near Hemet, the Soboba Casino, and at the foot of the San Jacinto Mountains.
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