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

Currently 78°F in San Jacinto, California, USA

Saturday, August 1, 2026 1:39 AM PDT

San Jacinto Forecast Summary

Today	Tomorrow	Monday

Sunny, Hot	Sunny, Hot	Sunny, Hot
High: 106°F	High: 104°F	High: 102°F
Low: 73°F	Low: 72°F	Low: 69°F

Complete Forecast Text Below

Currently in San Jacinto

Temperature, Humidity, Wind & Pressure

Time:	1:39 AM PDT
Temperature:	78°F
Normal Temperature :	74°F
Relative Humidity:	54%
Dewpoint:	60°F
Heat Index:	80°F
Wind Chill:	78°F
Wind:	calm
Gusts:	none
Barometer:	30.43" Hg steady

Sunrise & Sunset

	Sunrise	Sunset	Daylight
Today:	5:59 AM	7:47 PM	13:49
Tomorrow:	6:00 AM	7:47 PM	13:47
30 Day Sunrise and Sunset Almanac

Extreme Temperatures

	Today	Time	Normal	Last Year
High:	81°F	12:01 AM	98°F	98°F
Low:	78°F	1:38 AM	66°F	61°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:

78°F

Hemet:

76°F

Lake Elsinore:

76°F

Moreno Valley:

74°F

Riverside (Canyon Crest):

72°F

Riverside (Presidential Park):

75°F

Temecula:

N/A*

* Weather report not current

Complete Local Weather Roundup

San Jacinto Forecast

Friday, July 31, 2026

This afternoon in San Jacinto, the weather will be sunny and hot, with a high near 106° and a southwest wind around 5 to 10 mph. Tonight stays mostly clear and mild, cooling to around 73°.

Saturday brings more sunshine and another very hot afternoon, with a high near 106° and a west wind around 10 mph. Saturday night stays mostly clear and comfortable, with a low around 72°, and Sunday looks sunny with a high near 104°.

Today: Sunny and hot , high near 106°F .

Pollen level is rated "low-medium".

Predicted air quality is good, AQI: 47 (courtesy of the SCAQMD).

Tonight: Mostly clear and warm, low around 73°F.

Saturday: Sunny and HOT!, high of about 106°F.

Saturday night:Sunny and warm, low near 72°F.

Sunday: Sunny and hot, high around 104°F.

Sunday night: Clear and a little cooler, low of about 69°F.

Monday: Sunny and hot, high near 102°F.

Monday night: Clear, low around 68°F.

Tuesday: Sunny and hot, high of about 103°F.

Tuesday night: Clear, low near 68°F.

Wednesday: Sunny and hot, high around 102°F.

Wednesday night: Mostly clear, low of about 69°F.

Thursday: Sunny and hot, high near 102°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.
July 31	108°F	66°F	85°F	0.00"
July 30	101°F	64°F	81°F	0.00"
July 29	101°F	66°F	81°F	0.00"
July 28	99°F	68°F	83°F	0.00"
July 27	101°F	73°F	85°F	0.00"
July 26	103°F	72°F	86°F	0.00"
July 25	103°F	71°F	86°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 Warning in effect through Monday inland

The National Weather Service has issued an Extreme Heat Warning for the inl ...

Posted July 22, 2026, 4:59 AM

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Other Weather Information

Temperature, Humidity, Wind & Pressure

Sunrise & Sunset

Extreme Temperatures

Precipitation

National Weather Service

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