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

Currently 94°F in San Jacinto, California, USA

Wednesday, October 7, 2026 11:32 AM PDT

San Jacinto Forecast Summary

Today	Tomorrow	Friday

Sunny, Hot	Sunny, Hot	Sunny, Hot
High: 99°F	High: 100°F	High: 97°F
Low: 70°F	Low: 68°F	Low: 68°F

Complete Forecast Text Below

Currently in San Jacinto

Temperature, Humidity, Wind & Pressure

Time:	11:32 AM PDT
Temperature:	94°F
Normal Temperature :	83°F
Relative Humidity:	23%
Dewpoint:	50°F
Heat Index:	91°F
Wind Chill:	94°F
Wind:	calm
Gusts:	3 mph
Barometer:	29.83" Hg falling

Sunrise & Sunset

	Sunrise	Sunset	Daylight
Today:	6:48 AM	6:26 PM	11:38
Tomorrow:	6:48 AM	6:24 PM	11:36
30 Day Sunrise and Sunset Almanac

Extreme Temperatures

	Today	Time	Normal	Last Year
High:	94°F	11:26 AM	86°F	92°F
Low:	70°F	7:04 AM	56°F	54°F

Precipitation

60 Min.	Today	Month	Season
0.00"	0.00"	0.00"	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:

94°F

Hemet:

92°F

Lake Elsinore:

101°F

Moreno Valley:

94°F

Riverside (Canyon Crest):

N/A*

Riverside (Presidential Park):

91°F

Temecula:

N/A*

* Weather report not current

Complete Local Weather Roundup

San Jacinto Forecast

Tuesday, October 6, 2026

Today's forecast is coming soon

This afternoon in San Jacinto, the weather will be sunny, and an Extreme Heat Warning remains in effect through Thursday evening. Temperatures will climb to near 99° this afternoon, then stay warm through the evening before cooling to around 69° overnight.

Tomorrow will be sunny and hot again, with a high near 100°. Thursday stays sunny with another high near 100°, then Friday turns a little cooler with sunshine and a high near 97°. Saturday will be sunny and noticeably cooler with a high near 89°, and a slight chance of rain showers arrives Saturday night. Sunday brings a slight chance of rain showers with a high near 81°, followed by a chance of showers Sunday night and a low around 54°. Columbus Day stays partly sunny with a chance of rain showers and a high near 75°.

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

Pollen level is rated "medium".

Predicted air quality is moderate, AQI: 55 (courtesy of the SCAQMD).

Tonight: Clear, low around 70°F.

Wednesday: Sunny and hot, high of about 99°F.

Wednesday night:Clear, low near 68°F.

Thursday: Sunny and hot, high around 100°F.

Thursday night: Clear, low of about 68°F.

Friday: Sunny and hot, high near 97°F.

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

Saturday: Sunny and cooler, high of about 89°F.

Saturday night: Mostly clear and cooler, low near 60°F.

Sunday: Mostly sunny with a chance of showers, high around 81°F.

Sunday night: Partly cloudy with a chance of showers, low of about 55°F.

Monday: Partly cloudy with a chance of showers, high near 74°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.
October 6	100°F	71°F	86°F	0.00"
October 5	101°F	82°F	N/A	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

San Jacinto Weather Station back online

The new parts came in from Davis Instruments and have been put back into th ...

Posted October 5, 2026, 5:48 PM

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Other Weather Information

Temperature, Humidity, Wind & Pressure

Sunrise & Sunset

Extreme Temperatures

Precipitation

National Weather Service

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