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

Currently 78°F in San Jacinto, California, USA

Tuesday, January 13, 2026 3:05 PM PST

San Jacinto Forecast Summary

Today	Tomorrow	Thursday

Sunny	Sunny	Sunny
High: 77°F	High: 81°F	High: 80°F
Low: 43°F	Low: 49°F	Low: 49°F

Complete Forecast Text Below

Currently in San Jacinto

Temperature, Humidity, Wind & Pressure

Time:	3:05 PM PST
Temperature:	78°F
Normal Temperature :	63°F
Relative Humidity:	21%
Dewpoint:	34°F
Heat Index:	78°F
Wind Chill:	78°F
Wind:	4 mph SE (123°)
Gusts:	8 mph
Barometer:	30.68" 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:	79°F	2:19 PM	66°F	61°F
Low:	44°F	3:29 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:

78°F

Hemet:

76°F

Lake Elsinore:

81°F

Moreno Valley:

N/A*

Riverside (Canyon Crest):

79°F

Riverside (Presidential Park):

79°F

Temecula:

N/A*

* Weather report not current

Complete Local Weather Roundup

San Jacinto Forecast

Tuesday, January 13, 2026

Current Outlook: San Jacinto is experiencing a sunny day with temperatures climbing to a high near 77°F. Winds are calm, ranging from light and variable to a gentle breeze of 5 mph from the southeast. As the evening approaches, expect clear skies with temperatures gradually decreasing, reaching a low around 49°F tonight. Winds will remain light and variable from the east.

The Week Ahead: The sunny conditions will persist into Wednesday, with temperatures slightly increasing to a high near 81°F and calm easterly winds. Clear skies continue into Wednesday night as the mercury dips to around 50°F. Thursday will mirror today's conditions, with abundant sunshine and a high near 80°F, followed by another clear night and a low around 48°F. The pattern of sunny days and mostly clear nights extends through the weekend, with daytime highs consistently near 80°F and nighttime lows around 50°F. Looking ahead to Martin Luther King Jr. Day, expect continued sunny weather with a high near 78°F and a mostly clear night with a low around 48°F.

Today: Sunny , high near 77°F .

Pollen level is rated "low-medium".

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

Tonight: Clear, low around 49°F.

Wednesday: Sunny, high of about 81°F.

Wednesday night:Clear, low near 49°F.

Thursday: Sunny, high around 80°F.

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

Friday: Sunny, high near 80°F.

Friday night: Clear, low around 49°F.

Saturday: Sunny, high of about 79°F.

Saturday night: Mostly clear, low near 50°F.

Sunday: Sunny, high around 79°F.

Sunday night: Mostly clear, low of about 50°F.

Monday: Sunny, high near 78°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