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

Currently 69°F in San Jacinto, California, USA

Tuesday, October 20, 2026 9:13 PM PDT

San Jacinto Forecast Summary

Today	Tomorrow	Thursday

Sunny	Partly cloudy, Chance of showers	Showers, Cloudy
High: 83°F	High: 77°F	High: 67°F
Low: 59°F	Low: 57°F	Low: 56°F

Complete Forecast Text Below

Currently in San Jacinto

Temperature, Humidity, Wind & Pressure

Time:	9:13 PM PDT
Temperature:	69°F
Normal Temperature :	69°F
Relative Humidity:	53%
Dewpoint:	50°F
Heat Index:	69°F
Wind Chill:	69°F
Wind:	calm
Gusts:	none
Barometer:	29.84" Hg rising

Sunrise & Sunset

	Sunrise	Sunset	Daylight
Today:	6:55 AM	6:07 PM	11:12
Tomorrow:	6:55 AM	6:05 PM	11:10
30 Day Sunrise and Sunset Almanac

Extreme Temperatures

	Today	Time	Normal	Last Year
High:	84°F	2:58 PM	83°F	89°F
Low:	57°F	7:06 AM	55°F	52°F

Precipitation

60 Min.	Today	Month	Season
0.00"	0.00"	2.08"	2.31"
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:

65°F

Lake Elsinore:

70°F

Moreno Valley:

68°F

Riverside (Canyon Crest):

66°F

Riverside (Presidential Park):

70°F

Temecula:

N/A*

* Weather report not current

Complete Local Weather Roundup

San Jacinto Forecast

Tuesday, October 20, 2026

Today in San Jacinto, the weather will be sunny and warm, with a high near 83° and a southwest breeze around 10 mph at times. Skies turn partly cloudy tonight, with a low around 57°.

Tomorrow starts mostly sunny, then a chance of rain showers develops after 11am as temperatures climb to near 78°. Showers and thunderstorms become likely Wednesday night, with some storms capable of heavy rain and a low around 57°. Thursday stays unsettled with showers and thunderstorms, again with the potential for heavy rain, and a high near 67°. Rain chances ease Thursday night, then Friday turns sunny and cooler with a high near 72°. The dry stretch continues into the weekend, with sunshine and highs in the upper 70s.

Today: Sunny , high near 83°F .

Pollen level is rated "low".

Predicted air quality is good, AQI: 50 (courtesy of the SCAQMD).

Tonight: Partly cloudy, low around 57°F.

Wednesday: Partly cloudy with a chance of showers after 11am. Gusty winds possible after noon, high of about 77°F.

Wednesday night:Cloudy with a good chance of rain showers, low near 56°F.

Thursday: Cloudy with showers, high around 67°F.

Thursday night: Mostly to partly cloudy with a chance of occasional rain showers, low of about 51°F.

Friday: Sunny, high near 72°F.

Friday night: Clear, low around 52°F.

Saturday: Sunny, high of about 77°F.

Saturday night: Mostly clear, low near 55°F.

Sunday: Sunny, high around 77°F.

Sunday night: Partly cloudy, low of about 56°F.

Monday: Sunny, high near 77°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 19	87°F	58°F	72°F	0.00"
October 18	86°F	57°F	71°F	0.00"
October 17	82°F	66°F	77°F	0.00"
October 16	87°F	77°F	82°F	0.00"
October 15	84°F	51°F	70°F	0.00"
October 14	80°F	49°F	64°F	0.00"
October 13	73°F	51°F	61°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

Storm Totals: October 12th-13th, 2026

A cutoff low pressure system over the southern Great Basin, riding on the h ...

Posted October 14, 2026, 9:44 PM

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Other Weather Information

Temperature, Humidity, Wind & Pressure

Sunrise & Sunset

Extreme Temperatures

Precipitation

National Weather Service

Other San Jacinto Weather Forecasts

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