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

Currently 97°F in San Jacinto, California, USA

Friday, September 11, 2026 3:36 PM PDT

San Jacinto Forecast Summary

Today	Tomorrow	Sunday

Sunny, Hot	Sunny, Hot	Sunny
High: 99°F	High: 96°F	High: 90°F
Low: 71°F	Low: 69°F	Low: 65°F

Complete Forecast Text Below

Currently in San Jacinto

Warning: Current weather report out of date

Temperature, Humidity, Wind & Pressure

Time:	3:36 PM PDT
Temperature:	97°F
Normal Temperature :	90°F
Relative Humidity:	32%
Dewpoint:	61°F
Heat Index:	98°F
Wind Chill:	97°F
Wind:	8 mph N (0°)
Gusts:	10 mph
Barometer:	30.30" Hg steady

Sunrise & Sunset

	Sunrise	Sunset	Daylight
Today:	6:29 AM	7:00 PM	12:31
Tomorrow:	6:30 AM	6:59 PM	12:29
30 Day Sunrise and Sunset Almanac

Extreme Temperatures

	Today	Time	Normal	Last Year
High:	97°F	3:04 PM	92°F	84°F
Low:	97°F	3:04 PM	63°F	61°F

Precipitation

60 Min.	Today	Month	Season
0.00"	0.00"	0.23"	0.23"
Season began July 1, 2026
Past Season Precipitation Totals

Data captured from a Davis Instruments Vantage Pro 2

Local Weather Roundup

San Jacinto:

97°F*

Hemet:

94°F

Lake Elsinore:

101°F

Moreno Valley:

95°F

Riverside (Canyon Crest):

95°F

Riverside (Presidential Park):

92°F

Temecula:

N/A*

* Weather report not current

Complete Local Weather Roundup

San Jacinto Forecast

Friday, September 11, 2026

This afternoon in San Jacinto, the weather will be sunny and hot, and a Heat Advisory remains in effect through Friday at 8 PM. Highs will climb to near 99°, then temperatures will ease back to around 68° tonight under clear skies.

Tomorrow will be sunny again with a high near 96°, and it stays mostly clear Saturday night with a low around 65°. Sunday stays sunny and a bit cooler with a high near 91°, followed by clear skies and a low around 62°. Monday looks sunny with a high near 89° and a low around 58°, then Tuesday stays sunny with a high near 86° and a low around 57°. Wednesday brings more sunshine with a high near 87°, and Thursday stays sunny with a high near 90°.

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: Clear and cooler, low around 69°F.

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

Saturday night:Clear, low near 65°F.

Sunday: Sunny, high around 90°F.

Sunday night: Mostly clear, low of about 63°F.

Monday: Sunny, high near 88°F.

Monday night: Clear, low around 58°F.

Tuesday: Sunny and nice, high of about 85°F.

Tuesday night: Mostly clear, low near 58°F.

Wednesday: Sunny, high around 86°F.

Wednesday night: Mostly clear, low of about 60°F.

Thursday: Sunny, high near 89°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.
September 10	104°F	77°F	91°F	0.00"
September 9	106°F	75°F	90°F	0.00"
September 8	99°F	71°F	85°F	0.00"
September 7	87°F	71°F	79°F	0.03"
September 6	79°F	66°F	73°F	0.20"
September 5	93°F	59°F	78°F	0.00"
September 4	89°F	58°F	72°F	0.00"
More Past Weather