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

Currently 74°F in San Jacinto, California, USA

Wednesday, July 29, 2026 11:13 PM PDT

San Jacinto Forecast Summary

Today	Tomorrow	Friday

Sunny, Hot	Sunny, Hot	Sunny, Hot
High: 99°F	High: 102°F	High: 106°F
Low: 68°F	Low: 67°F	Low: 68°F

Complete Forecast Text Below

Currently in San Jacinto

Temperature, Humidity, Wind & Pressure

Time:	11:13 PM PDT
Temperature:	74°F
Normal Temperature :	77°F
Relative Humidity:	60%
Dewpoint:	58°F
Heat Index:	77°F
Wind Chill:	74°F
Wind:	calm
Gusts:	2 mph
Barometer:	30.39" Hg rising

Sunrise & Sunset

	Sunrise	Sunset	Daylight
Today:	5:58 AM	7:50 PM	13:52
Tomorrow:	5:59 AM	7:49 PM	13:51
30 Day Sunrise and Sunset Almanac

Extreme Temperatures

	Today	Time	Normal	Last Year
High:	101°F	3:03 PM	98°F	96°F
Low:	66°F	5:30 AM	67°F	60°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:

74°F

Lake Elsinore:

73°F

Moreno Valley:

72°F

Riverside (Canyon Crest):

73°F

Riverside (Presidential Park):

74°F

Temecula:

N/A*

* Weather report not current

Complete Local Weather Roundup

San Jacinto Forecast

Wednesday, July 29, 2026

This afternoon in San Jacinto, the weather will be sunny and warm, with temperatures climbing to near 99° under a southwest breeze around 10 mph and gusts near 20 mph. Tonight stays mostly clear and quiet, cooling to around 66°.

Thursday stays sunny and even hotter, with a high near 102°. Friday turns hotter still, with sunshine and a high near 106°, then Saturday looks sunny and very hot with a high near 107°. Sunday stays sunny with a high near 106°, followed by 104° on Monday and 105° on Tuesday. Nights stay mostly clear to clear, with lows in the upper 60s to low 70s.

Today: Sunny and hot , high near 99°F .

Pollen level is rated "low-medium".

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

Tonight: Mostly clear, low around 67°F.

Thursday: Sunnyand hot, high of about 102°F.

Thursday night:Mostly clear and warm, low near 68°F.

Friday: Sunny and hot, high around 106°F.

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

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

Saturday night: Sunny and warm, low around 73°F.

Sunday: Sunny and hot, high of about 106°F.

Sunday night: Clear, low near 71°F.

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

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

Tuesday: Sunny and hot, high near 105°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 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"
July 23	105°F	71°F	88°F	0.00"
July 22	98°F	70°F	83°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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