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

Currently 51°F in San Jacinto, California, USA

Wednesday, October 28, 2026 4:52 AM PDT

San Jacinto Forecast Summary

Today	Tomorrow	Friday

Mostly sunny	Mostly cloudy	Partly sunny
High: 73°F	High: 71°F	High: 65°F
Low: 53°F	Low: 54°F	Low: 53°F

Complete Forecast Text Below

Currently in San Jacinto

Temperature, Humidity, Wind & Pressure

Time:	4:52 AM PDT
Temperature:	51°F
Normal Temperature :	53°F
Relative Humidity:	66%
Dewpoint:	40°F
Heat Index:	51°F
Wind Chill:	51°F
Wind:	2 mph SE (119°)
Gusts:	3 mph
Barometer:	29.95" Hg steady

Sunrise & Sunset

	Sunrise	Sunset	Daylight
Today:	7:04 AM	6:00 PM	10:57
Tomorrow:	7:05 AM	5:59 PM	10:55
30 Day Sunrise and Sunset Almanac

Extreme Temperatures

	Today	Time	Normal	Last Year
High:	58°F	12:01 AM	81°F	93°F
Low:	51°F	4:43 AM	52°F	52°F

Precipitation

60 Min.	Today	Month	Season
0.00"	0.00"	2.80"	3.03"
Season began July 1, 2026
Past Season Precipitation Totals

Data captured from a Davis Instruments Vantage Pro 2

Local Weather Roundup

San Jacinto:

51°F

Hemet:

52°F

Lake Elsinore:

53°F

Moreno Valley:

54°F

Riverside (Canyon Crest):

54°F

Riverside (Presidential Park):

56°F

Temecula:

N/A*

* Weather report not current

Complete Local Weather Roundup

San Jacinto Forecast

Tuesday, October 27, 2026

Today's forecast is coming soon

This afternoon in San Jacinto, the weather will be sunny, with a high near 76. Southwest winds will be up to 10 mph. Tonight, expect partly cloudy skies, with a low around 51.

Looking ahead, Wednesday will bring mostly sunny conditions, with a high near 75. On Thursday, patchy fog is expected before 11 AM, with a high near 73. As we approach the weekend, rain showers are likely after 11 AM on Saturday for Halloween, with a high near 67. This could impact typical Halloween activities like trick-or-treating, so be prepared for possible wet conditions. Sunday will see a chance of rain showers, with a high near 66.

Today: Sunny. Light breezes , high near 76°F .

Pollen level is rated "N/A".

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

Tonight: Partly cloudy. Light breezes, low around 53°F.

Wednesday: Mostly sunny, high of about 73°F.

Wednesday night:Mostly cloudy, low near 54°F.

Thursday: Mostly cloudy, high around 71°F.

Thursday night: Mostly cloudy, low of about 53°F.

Friday: Partly sunny, high near 65°F.

Friday night: Mostly cloudy, low around 52°F.

Saturday: Partly sunny with increasing clouds. Chance of showers, mostly after 11am, high of about 64°F.

Saturday night: Cloudy with showers possible, mainly after 5pm. Spooky with a high chance of candy, low near 52°F.

Sunday: Showers likely. Cool and cloudy, high around 62°F.

Sunday night: Cloudy with a chance of showers, low of about 50°F.

Monday: Mostly sunny, high near 69°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.
October 27	78°F	50°F	63°F	0.00"
October 26	80°F	53°F	66°F	0.00"
October 25	81°F	52°F	66°F	0.00"
October 24	77°F	51°F	63°F	0.00"
October 23	68°F	56°F	61°F	0.01"
October 22	68°F	58°F	63°F	0.21"
October 21	80°F	58°F	66°F	0.50"
More Past Weather