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

Currently 58°F in San Jacinto, California, USA

Sunday, June 21, 2026 4:06 AM PDT

San Jacinto Forecast Summary

Today	Tomorrow	Tuesday

Sunny, Breezy	Sunny	Sunny, Hot
High: 88°F	High: 93°F	High: 97°F
Low: 54°F	Low: 56°F	Low: 59°F

Complete Forecast Text Below

Currently in San Jacinto

Temperature, Humidity, Wind & Pressure

Time:	4:06 AM PDT
Temperature:	58°F
Normal Temperature :	62°F
Relative Humidity:	78%
Dewpoint:	51°F
Heat Index:	58°F
Wind Chill:	58°F
Wind:	calm
Gusts:	none
Barometer:	30.41" Hg falling

Sunrise & Sunset

	Sunrise	Sunset	Daylight
Today:	5:38 AM	8:03 PM	14:25
Tomorrow:	5:39 AM	8:04 PM	14:25
30 Day Sunrise and Sunset Almanac

Extreme Temperatures

	Today	Time	Normal	Last Year
High:	62°F	12:01 AM	92°F	80°F
Low:	58°F	4:06 AM	60°F	59°F

Precipitation

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

58°F

Hemet:

56°F

Lake Elsinore:

59°F

Moreno Valley:

55°F

Riverside (Canyon Crest):

55°F

Riverside (Presidential Park):

59°F

Temecula:

N/A*

* Weather report not current

Complete Local Weather Roundup

San Jacinto Forecast

Sunday, June 21, 2026

Expect below average but warm temperatures this weekend, with marine layer reaching into portions of the valleys. For the first half of the week, a warming trend is predicted, bringing daytime temperatures up to near seasonal norms. Morning low clouds and fog will retreat to the coast. Gradual cooling is forecast for the second half of the week.

Today: Sunny and warm. Afternoon breezes , high near 88°F .

Pollen level is rated "low-medium".

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

Tonight: Mostly clear. Light breezes, low around 56°F.

Monday: Sunny and very warm. Light breezes, high of about 93°F.

Monday night:Mostly clear. Light breezes, low near 59°F.

Tuesday: Sunny and hot, high around 97°F.

Tuesday night: Mostly clear, low of about 63°F.

Wednesday: Sunny and hot, high near 98°F.

Wednesday night: Mostly clear, low around 67°F.

Thursday: Sunny and hot, high of about 98°F.

Thursday night: Mostly clear, low near 63°F.

Friday: Sunny and very warm, high around 95°F.

Friday night: Clear, low of about 58°F.

Saturday: Sunny and warm, high near 89°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.
June 20	87°F	56°F	70°F	0.00"
June 19	86°F	60°F	70°F	0.00"
June 18	86°F	59°F	68°F	0.00"
June 17	90°F	60°F	74°F	0.00"
June 16	95°F	65°F	80°F	0.00"
June 15	95°F	66°F	81°F	0.00"
June 14	95°F	65°F	81°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

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