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

Currently 87°F in San Jacinto, California, USA

Sunday, March 15, 2026 5:59 PM PDT

San Jacinto Forecast Summary

Today	Tomorrow	Tuesday

Sunny	Sunny	Sunny, Hot
High: 90°F	High: 93°F	High: 98°F
Low: 50°F	Low: 54°F	Low: 56°F

Complete Forecast Text Below

Currently in San Jacinto

Temperature, Humidity, Wind & Pressure

Time:	5:59 PM PDT
Temperature:	87°F
Normal Temperature :	64°F
Relative Humidity:	23%
Dewpoint:	44°F
Heat Index:	84°F
Wind Chill:	87°F
Wind:	7 mph W (272°)
Gusts:	13 mph
Barometer:	30.42" Hg falling

Sunrise & Sunset

	Sunrise	Sunset	Daylight
Today:	6:58 AM	6:55 PM	11:57
Tomorrow:	6:57 AM	6:56 PM	11:59
30 Day Sunrise and Sunset Almanac

Extreme Temperatures

	Today	Time	Normal	Last Year
High:	93°F	4:00 PM	70°F	64°F
Low:	50°F	7:01 AM	46°F	42°F

Precipitation

60 Min.	Today	Month	Season
0.00"	0.00"	0.00"	7.32"
Season began July 1, 2025
Past Season Precipitation Totals

Data captured from a Davis Instruments Vantage Pro 2

Local Weather Roundup

San Jacinto:

87°F

Hemet:

85°F

Lake Elsinore:

87°F

Moreno Valley:

N/A*

Riverside (Canyon Crest):

81°F

Riverside (Presidential Park):

84°F

Temecula:

N/A*

* Weather report not current

Complete Local Weather Roundup

San Jacinto Forecast

Sunday, March 15, 2026

High pressure off the coast will continue to pass over the region and strengthen through the week, bringing a long-duration and early season heat wave. Temperatures will up to 30 degrees above normal for this time of year, potentially record breaking, and leading to moderate to high heat risk. High pressure will begin to weaken by next weekend, allowing for a gradual cooling trend.

Today: Sunny and very warm. Light breezes , high near 90°F .

Pollen level is rated "medium-high".

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

Tonight: Mostly clear. Light breezes, low around 54°F.

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

Monday night:Mostly clear. Light breezes, low near 56°F.

Tuesday: Sunny and hot. Light breezes, high around 98°F.

Tuesday night: Mostly clear, low of about 59°F.

Wednesday: Sunny and hot, high near 100°F.

Wednesday night: Mostly clear, low around 59°F.

Thursday: Sunny and hot, high of about 102°F.

Thursday night: Clear, low near 61°F.

Friday: Sunny and hot, high around 103°F.

Friday night: Clear, low of about 60°F.

Saturday: Sunny and hot, high near 99°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.
March 14	85°F	53°F	69°F	0.00"
March 13	92°F	52°F	72°F	0.00"
March 12	91°F	51°F	71°F	0.00"
March 11	85°F	47°F	65°F	0.00"
March 10	70°F	46°F	58°F	0.00"
March 9	75°F	46°F	60°F	0.00"
March 8	81°F	58°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

Major heat spell to bring potential record heat to region

Strong high pressure, in addition to weak offshore flow, is slated to bring ...

Posted March 11, 2026, 4:44 AM

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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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