Currently 43°F in San Jacinto, California, USA
43°F
51°F / 43°F
calm
0.00"
Saturday, January 17, 2026 5:09 AM PST
San Jacinto Forecast Summary
Today Tomorrow Monday
Sunny Sunny Sunny
Sunny   Sunny   Sunny
High: 78°F High: 78°F High: 77°F
Low: 48°F Low: 47°F Low: 46°F
Currently in San Jacinto

Temperature, Humidity, Wind & Pressure

Time:  5:09 AM PST
Temperature:  43°F
Normal Temperature 42°F
Relative Humidity:  58%
Dewpoint:  29°F
Heat Index:  43°F
Wind Chill:  43°F
Wind:  calm
Gusts:  3 mph
Barometer:  30.62" HgPressure Change falling

Sunrise & Sunset

Sunrise Sunset Daylight
Today: 6:52 AM 5:05 PM 10:13
Tomorrow: 6:51 AM 5:06 PM 10:15
30 Day Sunrise and Sunset Almanac

Extreme Temperatures

Today Time Normal Last Year
High: 51°F 1:05 AM 67°F 58°F
Low: 43°F 4:50 AM 42°F 36°F

Precipitation

60 Min. Today Month Season
0.00" 0.00" 0.99" 5.57"
Season began July 1, 2025
Past Season Precipitation Totals
Data captured from a Davis Instruments Vantage Pro 2
Local Weather Roundup
San Jacinto:
43°F
56°F
45°F
N/A*
52°F
49°F
N/A*
* Weather report not current
San Jacinto Forecast
Friday, January 16, 2026
Warning Today's forecast is coming soon

Current Outlook: San Jacinto is experiencing a sunny afternoon with temperatures peaking around 80°F. Expect light and variable east winds at approximately 5 mph. As we move into the evening, skies will remain mostly clear with temperatures gradually descending to a low near 48°F. Winds will continue to be light and variable.

The Week Ahead: The sunny conditions will persist into Saturday, with highs again nearing the 78°F mark and light east winds. Saturday night will see a shift to partly cloudy skies and a slight uptick in east winds, 5 to 10 mph, with occasional gusts up to 20 mph, as temperatures drop to around 47°F. Sunday will maintain mostly sunny skies with a high close to 78°F and calm to light northeast winds. Looking forward to Martin Luther King Jr. Day and beyond, expect continued sunny days with highs in the mid to upper 70s and clear to partly cloudy nights with lows in the mid-40s. A gradual cooling trend appears by mid-week, with daytime highs lowering to the low 70s by Wednesday and further to near 70°F by Thursday.

Today: Sunny , high near 80°F .

Pollen level is rated "low-medium".

Predicted air quality is good, AQI: 34 (courtesy of the SCAQMD).

Tonight: Clear, low around 48°F.

Saturday: Sunny, high of about 78°F.

Saturday night:Mostly clear, low near 47°F.

Sunday: Sunny, high around 78°F.

Sunday night: Mostly clear, low of about 46°F.

Monday: Sunny, high near 77°F.

Monday night: Mostly clear, low around 47°F.

Tuesday: Sunny, high of about 77°F.

Tuesday night: Mostly clear, low near 45°F.

Wednesday: Sunny, high around 73°F.

Wednesday night: Partly cloudy, low of about 45°F.

Thursday: Mostly sunny, high near 70°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.
January 16 81°F 44°F 60°F 0.00"
January 15 82°F 46°F 62°F 0.00"
January 14 82°F 44°F 61°F 0.00"
January 13 79°F 44°F 60°F 0.00"
January 12 73°F 38°F 54°F 0.00"
January 11 71°F 37°F 52°F 0.00"
January 10 69°F 42°F 60°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
Unsettled weather to continue Wednesday; Drier and windier weather to follow

One more round of wet weather is possible across parts of the region for We ...

Posted January 7, 2026, 2:46 AM
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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