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

Currently 69°F in San Jacinto, California, USA

Wednesday, July 8, 2026 2:39 AM PDT

San Jacinto Forecast Summary

Today	Tomorrow	Friday

Sunny, Hot	Sunny, Hot	Sunny, Hot
High: 103°F	High: 104°F	High: 99°F
Low: 65°F	Low: 68°F	Low: 66°F

Complete Forecast Text Below

Currently in San Jacinto

Temperature, Humidity, Wind & Pressure

Time:	2:39 AM PDT
Temperature:	69°F
Normal Temperature :	69°F
Relative Humidity:	64%
Dewpoint:	55°F
Heat Index:	69°F
Wind Chill:	69°F
Wind:	calm
Gusts:	none
Barometer:	30.42" Hg falling

Sunrise & Sunset

	Sunrise	Sunset	Daylight
Today:	5:45 AM	8:02 PM	14:16
Tomorrow:	5:46 AM	8:01 PM	14:16
30 Day Sunrise and Sunset Almanac

Extreme Temperatures

	Today	Time	Normal	Last Year
High:	74°F	12:01 AM	96°F	100°F
Low:	69°F	2:36 AM	64°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:

69°F

Hemet:

69°F

Lake Elsinore:

68°F

Moreno Valley:

68°F

Riverside (Canyon Crest):

64°F

Riverside (Presidential Park):

68°F

Temecula:

N/A*

* Weather report not current

Complete Local Weather Roundup

San Jacinto Forecast

Tuesday, July 7, 2026

This afternoon in San Jacinto, the weather will be sunny and hot, with haze developing between 2 PM and 5 PM and a high near 100°. Southwest winds will stay light, around 15 mph at times, with gusts near 25 mph. Tonight will be clear and cooler, with a low around 65°.

Wednesday stays sunny and even hotter, with a high near 103° and a southwest breeze around 10 mph, gusting near 20 mph. Wednesday night will be mostly clear with a low around 68°. Thursday brings more sunshine and the warmest day of the stretch, with a high near 104°. After that, Friday stays sunny near 100°, Saturday turns mostly sunny near 97°, and Sunday brings a slight chance of rain showers during the afternoon with a high near 95°. The slight shower chance lingers into Sunday night, and Monday keeps a chance of rain showers with afternoon sunshine and a high near 96°.

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

Pollen level is rated "low-medium".

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

Tonight: Mostly clear, low around 65°F.

Wednesday: Sunny and hot with a heat advisory in place, high of about 103°F.

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

Thursday: Sunny and hot with a heat advisory in place, high around 104°F.

Thursday night: Clear, low of about 66°F.

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

Friday night: Mostly clear, low around 64°F.

Saturday: Mostly sunny and hot, high of about 96°F.

Saturday night: Partly cloudy, low near 65°F.

Sunday: Partly sunny and hot with a slight chance of showers in the late afternoon, high around 95°F.

Sunday night: Partly cloudy, low of about 66°F.

Monday: Mostly sunny with a chance of showers, high near 95°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 7	100°F	64°F	82°F	0.00"
July 6	97°F	66°F	80°F	0.00"
July 5	95°F	65°F	81°F	0.00"
July 4	95°F	62°F	80°F	0.00"
July 3	95°F	60°F	77°F	0.00"
July 2	89°F	57°F	71°F	0.00"
July 1	84°F	61°F	69°F	0.00"
More Past Weather