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

Currently 72°F in San Jacinto, California, USA

Thursday, May 28, 2026 4:19 PM PDT

San Jacinto Forecast Summary

Today	Tomorrow	Saturday

Partly cloudy, Mostly sunny	Partly sunny	Sunny
High: 69°F	High: 73°F	High: 83°F
Low: 48°F	Low: 53°F	Low: 52°F

Complete Forecast Text Below

Currently in San Jacinto

Temperature, Humidity, Wind & Pressure

Time:	4:19 PM PDT
Temperature:	72°F
Normal Temperature :	79°F
Relative Humidity:	40%
Dewpoint:	45°F
Heat Index:	77°F
Wind Chill:	72°F
Wind:	14 mph SW (222°)
Gusts:	14 mph
Barometer:	30.41" Hg falling

Sunrise & Sunset

	Sunrise	Sunset	Daylight
Today:	5:40 AM	7:51 PM	14:10
Tomorrow:	5:40 AM	7:51 PM	14:11
30 Day Sunrise and Sunset Almanac

Extreme Temperatures

	Today	Time	Normal	Last Year
High:	72°F	3:17 PM	81°F	83°F
Low:	50°F	6:39 AM	55°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:

72°F

Hemet:

69°F

Lake Elsinore:

74°F

Moreno Valley:

N/A*

Riverside (Canyon Crest):

72°F

Riverside (Presidential Park):

69°F

Temecula:

N/A*

* Weather report not current

Complete Local Weather Roundup

San Jacinto Forecast

Thursday, May 28, 2026

This afternoon in San Jacinto, the weather will be mostly sunny and pleasant, with temperatures climbing to near 69° and a southwest wind around 15 mph, gusting near 25 mph. Tonight, a slight chance of rain showers arrives between 11 PM and 5 AM, with mostly cloudy skies and a low around 52°.

Friday looks mostly sunny and a bit warmer, with a high near 73° and a southwest wind around 10 mph. Friday night stays mostly clear with a low around 52°, then sunshine and a stronger warmup take hold for Saturday with a high near 84°. Sunday stays sunny and warmer still, reaching near 90°, and that sunny stretch continues into Monday and Tuesday with highs near 90° before nudging to near 92° on Wednesday.

Today: Mostly sunny after early morning clouds depart the region , high near 69°F .

Pollen level is rated "medium".

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

Tonight: Mostly cloudy, low around 53°F.

Friday: Partly sunny , high of about 73°F.

Friday night:Mostly clear, low near 52°F.

Saturday: Sunny and warmer, high around 83°F.

Saturday night: Clear, low of about 55°F.

Sunday: Sunny, high near 90°F.

Sunday night: Clear, low around 60°F.

Monday: Sunny and warmer, high of about 89°F.

Monday night: Mostly clear, low near 60°F.

Tuesday: Sunny, high around 89°F.

Tuesday night: Mostly clear, low of about 60°F.

Wednesday: Sunny, high near 92°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 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"
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"
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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