San Jacinto Weather Pages - Current and Past Weather, Forecasts and News for San Jacinto, California

Currently 40°F in San Jacinto, California, USA

Friday, December 5, 2025 3:29 AM PST

San Jacinto Forecast Summary

Today	Tomorrow	Sunday

Sunny	Sunny	Sunny
High: 71°F	High: 71°F	High: 76°F
Low: 40°F	Low: 46°F	Low: 48°F

Complete Forecast Text Below

Currently in San Jacinto

Temperature, Humidity, Wind & Pressure

Time:	3:29 AM PST
Temperature:	40°F
Normal Temperature :	45°F
Relative Humidity:	60%
Dewpoint:	27°F
Heat Index:	40°F
Wind Chill:	40°F
Wind:	calm
Gusts:	3 mph
Barometer:	30.66" Hg falling

Sunrise & Sunset

	Sunrise	Sunset	Daylight
Today:	6:38 AM	4:40 PM	10:02
Tomorrow:	6:39 AM	4:40 PM	10:01
30 Day Sunrise and Sunset Almanac

Extreme Temperatures

	Today	Time	Normal	Last Year
High:	45°F	12:01 AM	69°F	78°F
Low:	40°F	2:58 AM	42°F	40°F

Precipitation

60 Min.	Today	Month	Season
0.00"	0.00"	0.00"	2.89"
Season began July 1, 2025
Past Season Precipitation Totals

Data captured from a Davis Instruments Vantage Pro 2

Local Weather Roundup

San Jacinto:

40°F

Hemet:

46°F

Lake Elsinore:

41°F

Moreno Valley:

N/A*

Riverside (Canyon Crest):

47°F

Riverside (Presidential Park):

45°F

Temecula:

N/A*

* Weather report not current

Complete Local Weather Roundup

San Jacinto Forecast

Thursday, December 4, 2025

Today's Forecast: Sunny skies will prevail today with a comfortable high near 68. Winds will be calm, providing a pleasant day for outdoor activities. Tonight, expect mostly clear conditions with a low around 40 and light winds. It's a great evening for a walk, but you may want a light jacket as the temperature drops.

The Week Ahead: The sunny trend continues with gradually warming temperatures, reaching a high near 71 on Friday and climbing to the low 80s by midweek. The weekend looks particularly splendid, with clear skies and highs in the low 70s. Perfect weather for any outdoor plans or events. Remember to wear sunscreen during the day, and enjoy the mild evenings.

Today: Sunny , high near 68°F .

Pollen level is rated "low".

Predicted air quality is moderate, AQI: 58 (courtesy of the SCAQMD).

Tonight: Mostly clear and cool, low around 40°F.

Friday: Sunny, high of about 71°F.

Friday night:Clear and cool, low near 46°F.

Saturday: Sunny, high around 71°F.

Saturday night: Mostly clear, low of about 48°F.

Sunday: Sunny, high near 76°F.

Sunday night: Mostly clear, low around 51°F.

Monday: Sunny, high of about 78°F.

Monday night: Clear, low near 54°F.

Tuesday: Sunny, high around 80°F.

Tuesday night: Mostly clear, low of about 54°F.

Wednesday: Sunny and warm, high near 80°F.

Complete Forecast Page

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.
December 4	68°F	45°F	56°F	0.00"
December 3	66°F	45°F	55°F	0.00"
December 2	70°F	39°F	54°F	0.00"
December 1	73°F	41°F	55°F	0.00"
November 30	71°F	41°F	55°F	0.00"
November 29	75°F	42°F	57°F	0.00"
November 28	78°F	44°F	58°F	0.00"
More Past Weather

San Jacinto Featured Photos

Full moon: The evening moon rises above Mountain View High School in San Jacinto. Photo courtesy of Denise Leonard.

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San Jacinto Weather News

Storm Totals: November 17th-22nd, 2025

Two weather systems swept across California last week; the first as a low p ...

Posted November 23, 2025, 10:53 PM

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Other Weather Information

Temperature, Humidity, Wind & Pressure

Sunrise & Sunset

Extreme Temperatures

Precipitation

National Weather Service

Other San Jacinto Weather Forecasts

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