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

Currently 65°F in San Jacinto, California, USA

Wednesday, May 27, 2026 4:22 PM PDT

San Jacinto Forecast Summary

Today	Tomorrow	Friday

Partly sunny, Chance of showers	Partly cloudy, Mostly sunny	Partly sunny
High: 64°F	High: 69°F	High: 74°F
Low: 50°F	Low: 50°F	Low: 51°F

Complete Forecast Text Below

Currently in San Jacinto

Temperature, Humidity, Wind & Pressure

Time:	4:22 PM PDT
Temperature:	65°F
Normal Temperature :	79°F
Relative Humidity:	45%
Dewpoint:	42°F
Heat Index:	65°F
Wind Chill:	65°F
Wind:	10 mph SW (224°)
Gusts:	22 mph
Barometer:	30.36" Hg falling

Sunrise & Sunset

	Sunrise	Sunset	Daylight
Today:	5:41 AM	7:50 PM	14:09
Tomorrow:	5:41 AM	7:51 PM	14:10
30 Day Sunrise and Sunset Almanac

Extreme Temperatures

	Today	Time	Normal	Last Year
High:	68°F	3:20 PM	80°F	87°F
Low:	53°F	5:41 AM	54°F	57°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:

65°F

Hemet:

63°F

Lake Elsinore:

69°F

Moreno Valley:

N/A*

Riverside (Canyon Crest):

69°F

Riverside (Presidential Park):

67°F

Temecula:

N/A*

* Weather report not current

Complete Local Weather Roundup

San Jacinto Forecast

Wednesday, May 27, 2026

This afternoon in San Jacinto, the weather will be partly sunny and mild, with temperatures climbing to near 64° and southwest winds around 5 to 15 mph, gusting near 25 mph. A slight chance of rain lingers early, then skies turn mostly clear overnight with a low around 50°.

Thursday looks sunny and a little warmer, with a high near 69° and southwest winds around 15 mph, gusting near 25 mph. Thursday night stays mostly cloudy with a low around 51°, then Friday turns mostly sunny and warmer near 74°. The weekend brings plenty of sunshine, with patchy fog possible Friday night and Saturday morning, followed by a high near 82° on Saturday, near 88° on Sunday, and near 92° by Monday.

Today: Partly sunny after early morning clouds burn off. Slight chance of rain early , high near 64°F .

Pollen level is rated "medium".

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

Tonight: Slight chance of rain after 11pm. Partly cloudy, low around 50°F.

Thursday: Mostly sunny after early morning clouds depart the region, high of about 69°F.

Thursday night:Mostly cloudy, low near 51°F.

Friday: Partly sunny , high around 74°F.

Friday night: Mostly clear, low of about 52°F.

Saturday: Sunny and warmer, high near 82°F.

Saturday night: Clear, low around 54°F.

Sunday: Sunny, high of about 88°F.

Sunday night: Clear, low near 56°F.

Monday: Sunny and warmer, high around 92°F.

Monday night: Mostly clear, low of about 58°F.

Tuesday: Sunny and very warm, high near 94°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 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"
May 23	85°F	56°F	66°F	0.00"
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"
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

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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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