Currently N/A°F in San Jacinto, California, USA
N/A°F Alert
N/A°F / N/A°F
N/A
N/A
Monday, September 21, 2026 1:07 PM PDT
San Jacinto Forecast Summary
Today Tomorrow Wednesday
Variably cloudy, Breezy Sunny Sunny
Variably cloudy, Breezy   Sunny   Sunny
High: 81°F High: 86°F High: 92°F
Low: 58°F Low: 57°F Low: 64°F
Currently in San Jacinto
Alert Warning: Current weather report out of date

Temperature, Humidity, Wind & Pressure

Time:  1:07 PM PDT
Temperature:  N/A
Normal Temperature 90°F
Relative Humidity:  N/A
Dewpoint:  N/A°F
Heat Index:  N/A°F
Wind Chill:  N/A°F
Wind:  N/A
Gusts:  N/A
Barometer:  N/APressure Change N/A

Sunrise & Sunset

Sunrise Sunset Daylight
Today: 6:36 AM 6:47 PM 12:11
Tomorrow: 6:37 AM 6:46 PM 12:09
30 Day Sunrise and Sunset Almanac

Extreme Temperatures

Today Time Normal Last Year
High: N/A N/A 92°F 84°F
Low: N/A N/A 63°F 61°F

Precipitation

60 Min. Today Month Season
N/A N/A 0.23" 0.23"
Season began July 1, 2026
Past Season Precipitation Totals
Data captured from a Davis Instruments Vantage Pro 2
Local Weather Roundup
San Jacinto:
N/A*
75°F
81°F
77°F
80°F
78°F
N/A*
* Weather report not current
San Jacinto Forecast
Monday, September 21, 2026

This afternoon in San Jacinto, the weather will be mostly sunny and pleasant, with temperatures climbing to near 82° and a light southwest breeze at times. Patchy fog may return after 11pm, and skies will turn partly cloudy overnight with a low around 57°.

Tomorrow starts with patchy fog before 11am, then turns mostly sunny and warmer, with a high near 87°. Wednesday stays sunny and warmer near 93°, followed by a mostly clear night around 66°. Thursday brings more sunshine and a high near 95°, then Friday stays sunny near 94°. The weekend looks warm and dry as Saturday reaches near 96°, before a cooler Sunday with sunshine and a high near 88°.

Today: Low clouds early, becoming sunny and warm. Afternoon breezes , high near 81°F .

Pollen level is rated "medium".

Predicted air quality is moderate, AQI: 55 (courtesy of the SCAQMD).

Tonight: Partly cloudy. Light breezes, low around 57°F.

Tuesday: Sunny and warm. Light breezes, high of about 86°F.

Tuesday night:Clear. Light breezes, low near 64°F.

Wednesday: Sunny and very warm, high around 92°F.

Wednesday night: Clear, low of about 67°F.

Thursday: Sunny and very warm, high near 94°F.

Thursday night: Mostly clear, low around 67°F.

Friday: Sunny and very warm, high of about 93°F.

Friday night: Mostly clear, low near 66°F.

Saturday: Sunny and hot, high around 96°F.

Saturday night: Mostly clear, low of about 64°F.

Sunday: Sunny and cooler, 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
Date High Low Ave. Prec.
September 10 104°F 77°F 91°F 0.00"
September 9 106°F 75°F 90°F 0.00"
September 8 99°F 71°F 85°F 0.00"
September 7 87°F 71°F 79°F 0.03"
September 6 79°F 66°F 73°F 0.20"
September 5 93°F 59°F 78°F 0.00"
September 4 89°F 58°F 72°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
Extreme heat returns to SoCal; Thunderstorms hit Temecula

Triple-digit heat has returned to the region Tuesday, prompting the Nationa ...

Posted September 8, 2026, 9:26 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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