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

Currently 90°F in San Jacinto, California, USA

Thursday, March 12, 2026 4:23 PM PDT

San Jacinto Forecast Summary

Today	Tomorrow	Saturday

Sunny	Sunny	Mostly sunny
High: 90°F	High: 91°F	High: 87°F
Low: 58°F	Low: 60°F	Low: 60°F

Complete Forecast Text Below

Currently in San Jacinto

Temperature, Humidity, Wind & Pressure

Time:	4:23 PM PDT
Temperature:	90°F
Normal Temperature :	64°F
Relative Humidity:	11%
Dewpoint:	27°F
Heat Index:	86°F
Wind Chill:	90°F
Wind:	5 mph SW (220°)
Gusts:	10 mph
Barometer:	30.56" Hg falling

Sunrise & Sunset

	Sunrise	Sunset	Daylight
Today:	7:02 AM	6:53 PM	11:51
Tomorrow:	7:01 AM	6:54 PM	11:53
30 Day Sunrise and Sunset Almanac

Extreme Temperatures

	Today	Time	Normal	Last Year
High:	91°F	3:37 PM	68°F	61°F
Low:	51°F	7:28 AM	45°F	44°F

Precipitation

60 Min.	Today	Month	Season
0.00"	0.00"	0.00"	7.32"
Season began July 1, 2025
Past Season Precipitation Totals

Data captured from a Davis Instruments Vantage Pro 2

Local Weather Roundup

San Jacinto:

90°F

Hemet:

89°F

Lake Elsinore:

94°F

Moreno Valley:

N/A*

Riverside (Canyon Crest):

88°F

Riverside (Presidential Park):

90°F

Temecula:

N/A*

* Weather report not current

Complete Local Weather Roundup

San Jacinto Forecast

Thursday, March 12, 2026

Current Outlook: As of this afternoon, San Jacinto is experiencing sunny skies with temperatures peaking near 91 degrees. Winds are calm, ranging from 0 to 5 mph. As we move into the evening, expect clear conditions to persist with temperatures gradually decreasing to a low of around 55 degrees tonight. Winds will continue to be light and variable throughout the evening.

The Week Ahead: The sunny trend continues into Friday with a high near 92 degrees and light northwest winds. Friday night, anticipate a shift as clouds begin to gather, setting the stage for a mostly cloudy evening and an overnight low around 56 degrees. Saturday will see mostly sunny skies with a slight dip in temperatures to a high of 87 degrees; winds will be light, but gusts could reach up to 20 mph. Clear conditions return for Saturday night with a low around 52 degrees. The pattern of sunshine dominates the forecast through the following week, with temperatures climbing to a high near 95 on Sunday, nearing 99 by Monday, and potentially surpassing the century mark on Tuesday and Wednesday, with highs forecasted at 102 and 101 degrees, respectively. Nighttime conditions throughout the week will remain mostly clear with lows in the upper 50s to low 60s.

Today: Sunny and very warm , high near 90°F .

Pollen level is rated "medium-high".

Predicted air quality is good, AQI: 47 (courtesy of the SCAQMD).

Tonight: Clear, low around 60°F.

Friday: Sunny and very warm, high of about 91°F.

Friday night:Partly cloudy, low near 60°F.

Saturday: Mostly sunny and warm, high around 87°F.

Saturday night: Mostly clear, low of about 56°F.

Sunday: Mostly sunny and very warm, high near 93°F.

Sunday night: Mostly clear, low around 62°F.

Monday: Sunny and hot, high of about 96°F.

Monday night: Mostly clear, low near 65°F.

Tuesday: Sunny and hot, high around 102°F.

Tuesday night: Clear, low of about 66°F.

Wednesday: Sunny and hot, high near 101°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.
March 11	85°F	47°F	65°F	0.00"
March 10	70°F	46°F	58°F	0.00"
March 9	75°F	46°F	60°F	0.00"
March 8	81°F	58°F	72°F	0.00"
March 7	69°F	47°F	64°F	0.00"
March 6	69°F	39°F	55°F	0.00"
March 5	71°F	47°F	59°F	0.00"
More Past Weather