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

Currently 84°F in San Jacinto, California, USA

Sunday, May 31, 2026 6:13 PM PDT

San Jacinto Forecast Summary

Today	Tomorrow	Tuesday

Sunny, Breezy	Sunny, Breezy	Sunny, Breezy
High: 91°F	High: 90°F	High: 88°F
Low: 57°F	Low: 57°F	Low: 55°F

Complete Forecast Text Below

Currently in San Jacinto

Temperature, Humidity, Wind & Pressure

Time:	6:13 PM PDT
Temperature:	84°F
Normal Temperature :	75°F
Relative Humidity:	37%
Dewpoint:	54°F
Heat Index:	83°F
Wind Chill:	84°F
Wind:	7 mph SW (222°)
Gusts:	13 mph
Barometer:	30.34" Hg falling

Sunrise & Sunset

	Sunrise	Sunset	Daylight
Today:	5:40 AM	7:53 PM	14:13
Tomorrow:	5:39 AM	7:53 PM	14:14
30 Day Sunrise and Sunset Almanac

Extreme Temperatures

	Today	Time	Normal	Last Year
High:	91°F	3:01 PM	84°F	96°F
Low:	57°F	6:04 AM	56°F	64°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:

85°F

Lake Elsinore:

85°F

Moreno Valley:

N/A*

Riverside (Canyon Crest):

84°F

Riverside (Presidential Park):

82°F

Temecula:

N/A*

* Weather report not current

Complete Local Weather Roundup

San Jacinto Forecast

Sunday, May 31, 2026

Little change is expected over the next week in the region, with sunny skies and warm days predicted. Marine layer clouds will make an appearance each evening and morning along the coast into the far western valleys. Some slight cooling may occur by next week as a low pressure system brushed by to the north.

Today: Sunny and very warm. Afternoon breezes , high near 91°F .

Pollen level is rated "low-medium".

Predicted air quality is moderate, AQI: 64 (courtesy of the SCAQMD).

Tonight: Clear. Evening breezes, low around 57°F.

Monday: Sunny and warm. Afternoon breezes, high of about 90°F.

Monday night:Mostly clear. Light breezes, low near 55°F.

Tuesday: Sunny and warm. Afternoon breezes, high around 88°F.

Tuesday night: Mostly clear. Light breezes, low of about 55°F.

Wednesday: Sunny and very warm, high near 91°F.

Wednesday night: Clear, low around 57°F.

Thursday: Sunny and very warm, high of about 91°F.

Thursday night: Mostly clear, low near 56°F.

Friday: Sunny and warm, high around 89°F.

Friday night: Mostly clear, low of about 55°F.

Saturday: Sunny and warm, high near 87°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 30	84°F	53°F	68°F	0.00"
May 29	72°F	55°F	62°F	0.00"
May 28	72°F	50°F	60°F	0.00"
May 27	68°F	53°F	59°F	0.00"
May 26	70°F	56°F	61°F	0.00"
May 25	79°F	57°F	64°F	0.00"
May 24	81°F	59°F	67°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: 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

Other San Jacinto Weather Forecasts

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