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

Currently 89°F in San Jacinto, California, USA

Friday, August 14, 2026 1:25 PM PDT

San Jacinto Forecast Summary

Today	Tomorrow	Sunday

Variably cloudy, Breezy	Sunny	Sunny
High: 88°F	High: 92°F	High: 94°F
Low: 64°F	Low: 64°F	Low: 64°F

Complete Forecast Text Below

Currently in San Jacinto

Temperature, Humidity, Wind & Pressure

Time:	1:25 PM PDT
Temperature:	89°F
Normal Temperature :	95°F
Relative Humidity:	40%
Dewpoint:	61°F
Heat Index:	90°F
Wind Chill:	89°F
Wind:	6 mph SW (220°)
Gusts:	16 mph
Barometer:	30.47" Hg falling

Sunrise & Sunset

	Sunrise	Sunset	Daylight
Today:	6:09 AM	7:36 PM	13:27
Tomorrow:	6:10 AM	7:35 PM	13:25
30 Day Sunrise and Sunset Almanac

Extreme Temperatures

	Today	Time	Normal	Last Year
High:	89°F	1:08 PM	97°F	96°F
Low:	66°F	6:35 AM	65°F	64°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:

89°F

Hemet:

85°F

Lake Elsinore:

94°F

Moreno Valley:

87°F

Riverside (Canyon Crest):

87°F

Riverside (Presidential Park):

85°F

Temecula:

N/A*

* Weather report not current

Complete Local Weather Roundup

San Jacinto Forecast

Friday, August 14, 2026

This afternoon in San Jacinto, the weather will be sunny and warm, with temperatures climbing to near 89° and a southwest wind around 10 mph, with gusts near 20 mph. Tonight will be mostly clear, with a low around 61°.

Saturday stays sunny and a little warmer, with a high near 92° and a west wind around 10 mph, with gusts near 20 mph. Saturday night turns partly cloudy, with a low around 64°, and Sunday looks sunny again with a high near 95°.

Today: Low clouds and fog early, becoming sunny and warm. Afternoon breezes , high near 88°F .

Pollen level is rated "low-medium".

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

Tonight: Mostly clear. Light breezes, low around 64°F.

Saturday: Sunny and very warm. Light breezes, high of about 92°F.

Saturday night:Partly cloudy. Light breezes, low near 64°F.

Sunday: Sunny and very warm. Light breezes, high around 94°F.

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

Monday: Sunny and very warm, high near 96°F.

Monday night: Mostly clear, low around 66°F.

Tuesday: Sunny and hot, high of about 99°F.

Tuesday night: Mostly clear, low near 68°F.

Wednesday: Sunny and hot, high around 99°F.

Wednesday night: Mostly clear, low of about 68°F.

Thursday: Sunny and hot, high near 99°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.
August 13	87°F	66°F	75°F	0.00"
August 12	93°F	67°F	78°F	0.00"
August 11	98°F	76°F	N/A	0.00"
August 9	99°F	71°F	N/A	0.00"
August 8	105°F	71°F	87°F	0.00"
August 7	100°F	72°F	85°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

Extreme heat to remain in place through Sunday

An Extreme Heat Warning issued by the National Weather Service for the inla ...

Posted August 1, 2026, 6:20 PM

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Other Weather Information

Temperature, Humidity, Wind & Pressure

Sunrise & Sunset

Extreme Temperatures

Precipitation

National Weather Service

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