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

Currently 74°F in San Jacinto, California, USA

Friday, July 31, 2026 12:42 AM PDT

San Jacinto Forecast Summary

Today	Tomorrow	Sunday

Sunny, Hot	Sunny, Hot	Sunny, Hot
High: 105°F	High: 107°F	High: 104°F
Low: 68°F	Low: 72°F	Low: 72°F

Complete Forecast Text Below

Currently in San Jacinto

Temperature, Humidity, Wind & Pressure

Time:	12:42 AM PDT
Temperature:	74°F
Normal Temperature :	76°F
Relative Humidity:	67%
Dewpoint:	62°F
Heat Index:	76°F
Wind Chill:	74°F
Wind:	calm
Gusts:	none
Barometer:	30.44" Hg rising

Sunrise & Sunset

	Sunrise	Sunset	Daylight
Today:	6:00 AM	7:49 PM	13:49
Tomorrow:	6:00 AM	7:48 PM	13:48
30 Day Sunrise and Sunset Almanac

Extreme Temperatures

	Today	Time	Normal	Last Year
High:	75°F	12:01 AM	98°F	100°F
Low:	74°F	12:38 AM	67°F	62°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:

74°F

Hemet:

73°F

Lake Elsinore:

73°F

Moreno Valley:

72°F

Riverside (Canyon Crest):

70°F

Riverside (Presidential Park):

73°F

Temecula:

N/A*

* Weather report not current

Complete Local Weather Roundup

San Jacinto Forecast

Thursday, July 30, 2026

This afternoon in San Jacinto, the weather will be sunny and hot, with temperatures climbing to near 102° and west winds around 15 mph, with gusts near 25 mph. Tonight will stay mostly clear and mild, cooling to around 67°.

Friday stays sunny and even hotter, with a high near 105° and a southwest wind around 10 mph. Saturday brings more sunshine and the peak heat of the stretch, climbing to near 108° with a west wind around 10 mph and gusts near 20 mph. Sunday stays sunny and a bit cooler, with a high near 104°. Monday looks sunny and hot again, reaching near 105°. Tuesday stays sunny with a high near 104°, and Wednesday remains sunny with a high near 103°.

Today: Sunny and hot , high near 102°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 68°F.

Friday: Sunny and hot, high of about 105°F.

Friday night:Mostly clear and warm, low near 72°F.

Saturday: Sunny and HOT!, high around 107°F.

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

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

Sunday night: Clear, low around 73°F.

Monday: Sunny and hot, high of about 104°F.

Monday night: Clear, low near 71°F.

Tuesday: Sunny and hot, high around 103°F.

Tuesday night: Clear, low of about 70°F.

Wednesday: 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 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"
July 24	104°F	75°F	88°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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