Currently 45°F in San Jacinto, California, USA
45°F
50°F / 45°F
calm
0.00"
Tuesday, January 6, 2026 5:19 AM PST
San Jacinto Forecast Summary
Today Tomorrow Thursday
Partly sunny Mostly sunny Sunny
Partly sunny   Mostly sunny   Sunny
High: 62°F High: 63°F High: 62°F
Low: 43°F Low: 44°F Low: 42°F
Complete Forecast Text Below
Currently in San Jacinto

Temperature, Humidity, Wind & Pressure

Time:  5:19 AM PST
Temperature:  45°F
Normal Temperature :  45°F
Relative Humidity:  88%
Dewpoint:  41°F
Heat Index:  45°F
Wind Chill:  45°F
Wind:  calm
Gusts:  none
Barometer:  30.64" HgPressure Change falling

Sunrise & Sunset

Sunrise Sunset Daylight
Today: 6:55 AM 4:56 PM 10:01
Tomorrow: 6:55 AM 4:57 PM 10:02
30 Day Sunrise and Sunset Almanac

Extreme Temperatures

Today Time Normal Last Year
High: 50°F 12:01 AM 64°F 75°F
Low: 45°F 5:11 AM 41°F 43°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:
45°F
Hemet:
46°F
Lake Elsinore:
48°F
Moreno Valley:
N/A*
Riverside (Canyon Crest):
47°F
Riverside (Presidential Park):
48°F
Temecula:
N/A*
* Weather report not current
Complete Local Weather Roundup
San Jacinto Forecast
Monday, January 5, 2026
Warning Today's forecast is coming soon

Today's Forecast: Partly sunny conditions will prevail today with a high near 59. Winds will be light, coming from the south. Tonight, expect mostly cloudy skies with a low around 43 and calm east winds. It's a good day for outdoor activities, but have a jacket ready for the cooler evening temperatures.

The Week Ahead: The weather pattern remains stable with partly sunny to sunny days and partly cloudy nights. Temperatures will gradually warm up, reaching a high near 67 by Saturday and sunny skies. Sunday will continue the warming trend with a high near 70. Plan your weekend activities with confidence in this pleasant weather, but keep a light layer handy for the cooler evenings.

Today: Partly cloudy with a chance of showers early , high near 59°F .

Pollen level is rated "low-medium".

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

Tonight: Mostly cloudy, low around 43°F.

Tuesday: Partly sunny, high of about 62°F.

Tuesday night:Partly cloudy, low near 44°F.

Wednesday: Mostly sunny, high around 63°F.

Wednesday night: Partly cloudy, low of about 42°F.

Thursday: Sunny, high near 62°F.

Thursday night: Mostly clear, low around 40°F.

Friday: Sunny, high of about 64°F.

Friday night: Mostly clear, low near 40°F.

Saturday: Sunny, high around 67°F.

Saturday night: Mostly clear, low of about 42°F.

Sunday: 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 5 63°F 50°F 55°F 0.02"
January 4 60°F 53°F 56°F 0.28"
January 3 66°F 56°F 59°F 0.04"
January 2 67°F 52°F 58°F 0.02"
January 1 60°F 53°F 56°F 0.63"
December 31 62°F 53°F 57°F 0.54"
December 30 67°F 50°F 58°F 0.00"
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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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