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

Currently N/A°F in San Jacinto, California, USA

Tuesday, September 29, 2026 1:47 AM PDT

San Jacinto Forecast Summary

Today	Tomorrow	Thursday

Sunny	Sunny	Sunny, Hot
High: 87°F	High: 92°F	High: 97°F
Low: 57°F	Low: 62°F	Low: 64°F

Complete Forecast Text Below

Currently in San Jacinto

Warning: Current weather report out of date

Temperature, Humidity, Wind & Pressure

Time:	1:47 AM PDT
Temperature:	N/A
Normal Temperature :	90°F
Relative Humidity:	N/A
Dewpoint:	N/A°F
Heat Index:	N/A°F
Wind Chill:	N/A°F
Wind:	N/A
Gusts:	N/A
Barometer:	N/A N/A

Sunrise & Sunset

	Sunrise	Sunset	Daylight
Today:	6:47 AM	6:41 PM	11:54
Tomorrow:	6:48 AM	6:40 PM	11:52
30 Day Sunrise and Sunset Almanac

Extreme Temperatures

	Today	Time	Normal	Last Year
High:	N/A	N/A	92°F	84°F
Low:	N/A	N/A	63°F	61°F

Precipitation

60 Min.	Today	Month	Season
N/A	N/A	0.23"	0.23"
Season began July 1, 2026
Past Season Precipitation Totals

Data captured from a Davis Instruments Vantage Pro 2

Local Weather Roundup

San Jacinto:

N/A*

Hemet:

60°F

Lake Elsinore:

62°F

Moreno Valley:

61°F

Riverside (Canyon Crest):

62°F

Riverside (Presidential Park):

64°F

Temecula:

N/A*

* Weather report not current

Complete Local Weather Roundup

San Jacinto Forecast

Monday, September 28, 2026

This afternoon in San Jacinto, the weather will be sunny and pleasant, with temperatures climbing to near 83° and a southwest breeze around 15 mph at times. Skies stay mostly clear this evening, then turn clear overnight as temperatures cool to around 56°.

Tomorrow will be sunny and warmer, with a high near 88° and a west breeze gusting near 25 mph at times. The warming trend continues Wednesday with a high near 93°, then Thursday reaches near 98°, before Friday eases back to 97° and Saturday holds near 97° again. Sunday looks sunny and a touch warmer, with a high near 98°.

Today: Sunny and breezy , high near 82°F .

Pollen level is rated "medium".

Predicted air quality is moderate, AQI: 55 (courtesy of the SCAQMD).

Tonight: Mostly clear, low around 57°F.

Tuesday: Sunny, high of about 87°F.

Tuesday night:Clear, low near 62°F.

Wednesday: Sunny, high around 92°F.

Wednesday night: Clear, low of about 64°F.

Thursday: Sunny and much warmer, high near 97°F.

Thursday night: Clear, low around 68°F.

Friday: Sunny and very warm, high of about 96°F.

Friday night: Mostly clear, low near 69°F.

Saturday: Sunny, high around 97°F.

Saturday night: Clear, low of about 68°F.

Sunday: Sunny and very warm, high near 97°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.
September 10	104°F	77°F	91°F	0.00"
September 9	106°F	75°F	90°F	0.00"
September 8	99°F	71°F	85°F	0.00"
September 7	87°F	71°F	79°F	0.03"
September 6	79°F	66°F	73°F	0.20"
September 5	93°F	59°F	78°F	0.00"
September 4	89°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

San Jacinto Station down for repair

The weather station that reports for San Jacinto failed on September 10th a ...

Posted September 22, 2026, 8:48 AM

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Other Weather Information

Temperature, Humidity, Wind & Pressure

Sunrise & Sunset

Extreme Temperatures

Precipitation

National Weather Service

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