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

Currently 44°F in San Jacinto, California, USA

Tuesday, January 13, 2026 2:30 AM PST

San Jacinto Forecast Summary

Today	Tomorrow	Thursday

Sunny	Sunny	Sunny
High: 78°F	High: 82°F	High: 81°F
Low: 43°F	Low: 46°F	Low: 48°F

Complete Forecast Text Below

Currently in San Jacinto

Temperature, Humidity, Wind & Pressure

Time:	2:30 AM PST
Temperature:	44°F
Normal Temperature :	44°F
Relative Humidity:	57%
Dewpoint:	29°F
Heat Index:	44°F
Wind Chill:	44°F
Wind:	3 mph SW (247°)
Gusts:	13 mph
Barometer:	30.75" Hg falling

Sunrise & Sunset

	Sunrise	Sunset	Daylight
Today:	6:53 AM	5:02 PM	10:08
Tomorrow:	6:53 AM	5:03 PM	10:09
30 Day Sunrise and Sunset Almanac

Extreme Temperatures

	Today	Time	Normal	Last Year
High:	49°F	12:01 AM	66°F	61°F
Low:	44°F	1:43 AM	41°F	32°F

Precipitation

60 Min.	Today	Month	Season
0.00"	0.00"	0.99"	5.57"
Season began July 1, 2025
Past Season Precipitation Totals

Data captured from a Davis Instruments Vantage Pro 2

Local Weather Roundup

San Jacinto:

44°F

Hemet:

52°F

Lake Elsinore:

46°F

Moreno Valley:

N/A*

Riverside (Canyon Crest):

49°F

Riverside (Presidential Park):

49°F

Temecula:

N/A*

* Weather report not current

Complete Local Weather Roundup

San Jacinto Forecast

Monday, January 12, 2026

Current Outlook: Today in San Jacinto, expect sunny skies with temperatures climbing to a high near 72°F. Winds will be light and variable, ranging from calm to around 5 mph. As we progress through the day, temperatures will rise from the low 40s this morning to peak in the early afternoon. This evening, anticipate mostly clear conditions with temperatures gradually descending to an overnight low of approximately 44°F, while winds remain light and variable.

The Week Ahead: The sunny pattern continues into Tuesday, with temperatures forecasted to reach a slightly warmer high near 78°F and winds staying calm. Overnight, expect clear skies and a low around 47°F. The warming trend persists through midweek, with Wednesday's high anticipated to be near 82°F under sunny skies and calm winds. Clear conditions will hold into the evening, with lows around 48°F. Looking towards the latter part of the week, San Jacinto will experience consistently sunny days with highs hovering around the 80°F mark and overnight lows in the upper 40s. The weekend maintains this stable pattern, ensuring ample sunshine and clear nights, perfect for any outdoor activities or planning purposes.

Today: Sunny , high near 72°F .

Pollen level is rated "low-medium".

Predicted air quality is good, AQI: 34 (courtesy of the SCAQMD).

Tonight: Clear, low around 43°F.

Tuesday: Sunny, high of about 78°F.

Tuesday night:Clear, low near 46°F.

Wednesday: Sunny, high around 82°F.

Wednesday night: Clear, low of about 48°F.

Thursday: Sunny, high near 81°F.

Thursday night: Clear, low around 49°F.

Friday: Sunny, high of about 80°F.

Friday night: Mostly clear, low near 48°F.

Saturday: Sunny, high around 80°F.

Saturday night: Mostly clear, low of about 49°F.

Sunday: Sunny, high near 80°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.
January 12	73°F	38°F	54°F	0.00"
January 11	71°F	37°F	52°F	0.00"
January 10	69°F	42°F	60°F	0.00"
January 9	61°F	34°F	48°F	0.00"
January 8	59°F	41°F	51°F	0.00"
January 7	63°F	46°F	53°F	0.00"
January 6	62°F	44°F	52°F	0.00"
More Past Weather