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

Currently 84°F in San Jacinto, California, USA

Saturday, May 23, 2026 3:09 PM PDT

San Jacinto Forecast Summary

Today	Tomorrow	Monday

Sunny	Sunny	Sunny
High: 87°F	High: 85°F	High: 81°F
Low: 54°F	Low: 54°F	Low: 53°F

Complete Forecast Text Below

Currently in San Jacinto

Temperature, Humidity, Wind & Pressure

Time:	3:09 PM PDT
Temperature:	84°F
Normal Temperature :	81°F
Relative Humidity:	35%
Dewpoint:	52°F
Heat Index:	82°F
Wind Chill:	84°F
Wind:	4 mph NW (308°)
Gusts:	11 mph
Barometer:	30.40" Hg falling

Sunrise & Sunset

	Sunrise	Sunset	Daylight
Today:	5:43 AM	7:48 PM	14:05
Tomorrow:	5:43 AM	7:48 PM	14:06
30 Day Sunrise and Sunset Almanac

Extreme Temperatures

	Today	Time	Normal	Last Year
High:	84°F	2:46 PM	79°F	86°F
Low:	56°F	2:56 AM	54°F	56°F

Precipitation

60 Min.	Today	Month	Season
0.00"	0.00"	0.12"	7.83"
Season began July 1, 2025
Past Season Precipitation Totals

Data captured from a Davis Instruments Vantage Pro 2

Local Weather Roundup

San Jacinto:

84°F

Hemet:

81°F

Lake Elsinore:

88°F

Moreno Valley:

N/A*

Riverside (Canyon Crest):

82°F

Riverside (Presidential Park):

78°F

Temecula:

N/A*

* Weather report not current

Complete Local Weather Roundup

San Jacinto Forecast

Friday, May 22, 2026

Today's forecast is coming soon

This afternoon in San Jacinto, the weather will be sunny and warm, with a high near 87° and a southwest wind around 5 to 15 mph, gusting near 25 mph. Skies stay mostly clear tonight as temperatures cool to around 54°.

Saturday looks sunny and a touch cooler, with a high near 86° and a west wind around 10 mph. Saturday night stays mostly clear with a low around 53°. Sunday brings more sunshine with a high near 86°, followed by a mostly clear night and a low around 52°. Memorial Day stays sunny and cooler with a high near 81°, then Monday night turns mostly clear with a low around 51°. Tuesday stays sunny with a high near 75°, and Wednesday looks mostly sunny with a high near 72° before another partly cloudy night and a low around 50°. Thursday returns to sunshine with a high near 79°, and Thursday night stays mostly clear with a low around 53°.

Today: Sunny and warm , high near 87°F .

Pollen level is rated "medium".

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

Tonight: Mostly clear, low around 54°F.

Saturday: Sunny and warm, high of about 87°F.

Saturday night:Clear, low near 54°F.

Sunday: Sunny and warm, high around 85°F.

Sunday night: Clear, low of about 53°F.

Monday: Sunny and nice, high near 81°F.

Monday night: Increasing clouds, low around 52°F.

Tuesday: Partly sunny and a little cooler, high of about 76°F.

Tuesday night: Increasing clouds, low near 51°F.

Wednesday: Partly sunny, high around 72°F.

Wednesday night: Mostly clear, low of about 51°F.

Thursday: Sunny, high near 80°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.
May 22	84°F	57°F	68°F	0.00"
May 21	89°F	56°F	72°F	0.00"
May 20	91°F	55°F	74°F	0.00"
May 19	87°F	50°F	70°F	0.00"
May 18	83°F	56°F	65°F	0.00"
May 17	67°F	57°F	61°F	0.00"
May 16	75°F	59°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

Storm Totals: May 4th-5th, 2026

A low pressure system off the Central California coast brought unsettled we ...

Posted May 7, 2026, 10:22 PM

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Other Weather Information

Temperature, Humidity, Wind & Pressure

Sunrise & Sunset

Extreme Temperatures

Precipitation

National Weather Service

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