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

Currently 73°F in San Jacinto, California, USA

Friday, August 7, 2026 5:58 AM PDT

San Jacinto Forecast Summary

Today	Tomorrow	Sunday

Sunny, Hot	Sunny, Hot	Sunny, Hot
High: 101°F	High: 103°F	High: 103°F
Low: 69°F	Low: 71°F	Low: 72°F

Complete Forecast Text Below

Currently in San Jacinto

Temperature, Humidity, Wind & Pressure

Time:	5:58 AM PDT
Temperature:	73°F
Normal Temperature :	70°F
Relative Humidity:	55%
Dewpoint:	55°F
Heat Index:	77°F
Wind Chill:	73°F
Wind:	calm
Gusts:	none
Barometer:	30.47" Hg rising

Sunrise & Sunset

	Sunrise	Sunset	Daylight
Today:	6:02 AM	7:41 PM	13:38
Tomorrow:	6:03 AM	7:40 PM	13:36
30 Day Sunrise and Sunset Almanac

Extreme Temperatures

	Today	Time	Normal	Last Year
High:	77°F	12:01 AM	97°F	107°F
Low:	72°F	5:03 AM	65°F	68°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:

73°F

Hemet:

71°F

Lake Elsinore:

72°F

Moreno Valley:

70°F

Riverside (Canyon Crest):

68°F

Riverside (Presidential Park):

72°F

Temecula:

N/A*

* Weather report not current

Complete Local Weather Roundup

San Jacinto Forecast

Thursday, August 6, 2026

Today's forecast is coming soon

Welcome back San Jacinto Unified School District students!

This afternoon the weather will once again be sunny and hot, with temperatures today climbing to nearly 100° and a southwest breeze of around 10 mph, gusting near 20 mph. Tonight will stay mostly clear and mild, cooling down to around 69°.

Friday stays sunny and even hotter, with a high near 102° expected and a southwest wind of 10 mph, gusting near 20 mph in some locations. Friday night remains mostly clear and mild, with a low around 70°.

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 69°F.

Friday: Sunny and hot, high of about 101°F.

Friday night:Mostly clear, low near 71°F.

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

Saturday night: Mostly clear, low of about 72°F.

Sunday: Sunny and hot, high near 103°F.

Sunday night: Mostly clear, low around 70°F.

Monday: Mostly sunny and hot, high of about 99°F.

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

Tuesday: Sunny and hot, high around 96°F.

Tuesday night: Mostly clear, low of about 67°F.

Wednesday: Sunny and hot, 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.
August 6	101°F	69°F	83°F	0.00"
August 5	99°F	68°F	82°F	0.00"
August 4	100°F	67°F	82°F	0.00"
August 3	104°F	69°F	85°F	0.00"
August 2	107°F	70°F	87°F	0.00"
August 1	107°F	71°F	88°F	0.00"
July 31	108°F	66°F	85°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 to remain in place through Sunday

An Extreme Heat Warning issued by the National Weather Service for the inla ...

Posted August 1, 2026, 6:20 PM

More San Jacinto Weather News

Other Weather Information

Temperature, Humidity, Wind & Pressure

Sunrise & Sunset

Extreme Temperatures

Precipitation

National Weather Service

Other San Jacinto Weather Forecasts

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