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

Currently 84°F in San Jacinto, California, USA

Thursday, July 16, 2026 8:39 AM PDT

San Jacinto Forecast Summary

Today	Tomorrow	Saturday

Sunny, Hot	Mostly sunny, Hot	Sunny
High: 102°F	High: 95°F	High: 95°F
Low: 71°F	Low: 68°F	Low: 66°F

Complete Forecast Text Below

Currently in San Jacinto

Temperature, Humidity, Wind & Pressure

Time:	8:39 AM PDT
Temperature:	84°F
Normal Temperature :	78°F
Relative Humidity:	42%
Dewpoint:	58°F
Heat Index:	84°F
Wind Chill:	84°F
Wind:	2 mph SW (220°)
Gusts:	3 mph
Barometer:	30.32" Hg rising

Sunrise & Sunset

	Sunrise	Sunset	Daylight
Today:	5:48 AM	7:58 PM	14:10
Tomorrow:	5:49 AM	7:57 PM	14:09
30 Day Sunrise and Sunset Almanac

Extreme Temperatures

	Today	Time	Normal	Last Year
High:	84°F	8:39 AM	97°F	92°F
Low:	73°F	5:35 AM	66°F	61°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:

84°F

Hemet:

84°F

Lake Elsinore:

84°F

Moreno Valley:

85°F

Riverside (Canyon Crest):

81°F

Riverside (Presidential Park):

80°F

Temecula:

N/A*

* Weather report not current

Complete Local Weather Roundup

San Jacinto Forecast

Wednesday, July 15, 2026

Today's forecast is coming soon

This afternoon in San Jacinto, the weather will be sunny and hot, with a high near 105° and a southwest wind around 10 to 15 mph. Tonight will be mostly clear, with a low around 70°.

Thursday stays sunny and a little cooler, with a high near 102° and a southwest wind around 10 mph. Thursday night turns partly cloudy with a low around 66°, then Friday brings mostly sunny skies and a high near 95°. The weekend looks steady and warm, with mostly sunny afternoons near 95° and mild nights around 65°.

Today: Sunny and dangerously hot. Extreme Heat Watch in place , high near 105°F .

Pollen level is rated "low-medium".

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

Tonight: Mostly clear, low around 71°F.

Thursday: Sunny and hot, high of about 102°F.

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

Friday: Mostly sunny and hot, high around 95°F.

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

Saturday: Mostly sunny, high near 95°F.

Saturday night: Mostly clear, low around 66°F.

Sunday: Sunny and hot, high of about 95°F.

Sunday night: Mostly clear, low near 65°F.

Monday: Sunny, high around 94°F.

Monday night: Mostly clear, low of about 65°F.

Tuesday: Sunny and hot, high near 97°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 15	105°F	71°F	89°F	0.00"
July 14	102°F	69°F	85°F	0.00"
July 13	93°F	72°F	79°F	0.00"
July 12	96°F	68°F	80°F	0.00"
July 11	99°F	64°F	81°F	0.00"
July 10	96°F	63°F	81°F	0.00"
July 9	100°F	64°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

Monsoonal moisture and elevated heat this week

Temperatures are forecast to soar across Southern California this week, nea ...

Posted July 13, 2026, 10:11 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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