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

Currently 56°F in San Jacinto, California, USA

Tuesday, April 21, 2026 1:09 AM PDT

San Jacinto Forecast Summary

Today	Tomorrow	Thursday

Variably cloudy, Breezy	Mostly sunny	Sunny
High: 74°F	High: 71°F	High: 78°F
Low: 46°F	Low: 46°F	Low: 44°F

Complete Forecast Text Below

Currently in San Jacinto

Temperature, Humidity, Wind & Pressure

Time:	1:09 AM PDT
Temperature:	56°F
Normal Temperature :	55°F
Relative Humidity:	76%
Dewpoint:	49°F
Heat Index:	56°F
Wind Chill:	56°F
Wind:	calm
Gusts:	3 mph
Barometer:	30.54" Hg rising

Sunrise & Sunset

	Sunrise	Sunset	Daylight
Today:	6:11 AM	7:24 PM	13:13
Tomorrow:	6:09 AM	7:25 PM	13:15
30 Day Sunrise and Sunset Almanac

Extreme Temperatures

	Today	Time	Normal	Last Year
High:	58°F	12:01 AM	78°F	81°F
Low:	56°F	1:08 AM	50°F	50°F

Precipitation

60 Min.	Today	Month	Season
0.00"	0.00"	0.31"	7.64"
Season began July 1, 2025
Past Season Precipitation Totals

Data captured from a Davis Instruments Vantage Pro 2

Local Weather Roundup

San Jacinto:

56°F

Hemet:

53°F

Lake Elsinore:

57°F

Moreno Valley:

N/A*

Riverside (Canyon Crest):

55°F

Riverside (Presidential Park):

59°F

Temecula:

N/A*

* Weather report not current

Complete Local Weather Roundup

San Jacinto Forecast

Sunday, April 19, 2026

Forecast not current

Expect cooler conditions west of the mountains today as onshore flow returns. A low pressure system moving into California will lead to cooler and breezier conditions Monday through the middle of the week. There's a slight chance of precipitation Tuesday afternoon into Wednesday morning. Cool weather and breezy onshore flow are predicted to persist into next weekend.

Today: Sunny and warm. Afternoon breezes , high near 84°F .

Pollen level is rated "medium-high".

Predicted air quality is moderate, AQI: 67 (courtesy of the SCAQMD).

Tonight: Mostly clear. Light breezes, low around 48°F.

Monday: Sunny and warm. Afternoon breezes, high of about 80°F.

Monday night:Mostly clear and cool. Light breezes, low near 46°F.

Tuesday: Increasing clouds. Afternoon breezes, high around 74°F.

Tuesday night: Mostly cloudy. Evening breezes. 20 percent chance of showers, low of about 46°F.

Wednesday: Mostly sunny, high near 71°F.

Wednesday night: Mostly clear and cool, low around 44°F.

Thursday: Sunny, high of about 78°F.

Thursday night: Partly cloudy and cool, low near 48°F.

Friday: Mostly sunny, high around 76°F.

Friday night: Partly cloudy and cool, low of about 49°F.

Saturday: Partly sunny, high near 73°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.
April 20	83°F	50°F	65°F	0.00"
April 19	84°F	54°F	68°F	0.00"
April 18	86°F	49°F	67°F	0.00"
April 17	79°F	48°F	62°F	0.00"
April 16	76°F	52°F	63°F	0.00"
April 15	80°F	48°F	63°F	0.00"
April 14	73°F	45°F	59°F	0.00"
More Past Weather