Currently 99°F in San Jacinto, California, USA
99°F
99°F / 60°F
4 mph SW
0.00"
Wednesday, March 18, 2026 1:55 PM PDT
San Jacinto Forecast Summary
Today Tomorrow Friday
Sunny, Hot Sunny, Hot Sunny, Hot
Sunny, Hot   Sunny, Hot   Sunny, Hot
High: 99°F High: 100°F High: 100°F
Low: 62°F Low: 62°F Low: 63°F
Currently in San Jacinto

Temperature, Humidity, Wind & Pressure

Time:  1:55 PM PDT
Temperature:  99°F
Normal Temperature 67°F
Relative Humidity:  9%
Dewpoint:  28°F
Heat Index:  94°F
Wind Chill:  99°F
Wind:  4 mph SW (211°)
Gusts:  8 mph
Barometer:  30.49" HgPressure Change falling

Sunrise & Sunset

Sunrise Sunset Daylight
Today: 6:56 AM 6:59 PM 12:03
Tomorrow: 6:54 AM 7:00 PM 12:06
30 Day Sunrise and Sunset Almanac

Extreme Temperatures

Today Time Normal Last Year
High: 99°F 1:53 PM 71°F 65°F
Low: 60°F 7:05 AM 46°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:
99°F
96°F
101°F
N/A*
94°F
94°F
N/A*
* Weather report not current
San Jacinto Forecast
Tuesday, March 17, 2026
Warning Today's forecast is coming soon

Current Outlook: Good morning. Today in San Jacinto, expect a sunny sky with temperatures rapidly climbing to a high near 96 degrees. Winds will be light and variable, generally staying below 5 mph. As we progress through the day, anticipate a consistent sunny condition with no significant change in wind speed. By late afternoon, temperatures will peak, and as we transition into the evening, conditions will remain clear with temperatures gradually decreasing to an overnight low around 63 degrees. Winds will continue to be calm tonight.

The Week Ahead: Looking forward, the sunny pattern persists with a slight upward trend in temperatures. Wednesday will see a high near 99 degrees with calm to light south winds. Clear skies continue into Wednesday night with a low around 63 degrees. The warming trend peaks on Thursday and Friday, with highs reaching near the 100-degree mark and overnight lows in the low 60s. The weekend will bring a slight relief from the heat, with Saturday's high around 94 degrees and a low of 58. Sunday's conditions will be mostly sunny with a high near 90, followed by a partly cloudy night and a low around 56. The new week starts with sunny skies on Monday and a high near 87 degrees, leading into a mostly clear night with a low around 55.

Today: Sunny and hot. Light breezes , high near 96°F .

Pollen level is rated "medium-high".

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

Tonight: Mostly clear, low around 62°F.

Wednesday: Sunny and hot, high of about 99°F.

Wednesday night:Mostly clear, low near 62°F.

Thursday: Sunny and hot, high around 100°F.

Thursday night: Clear, low of about 63°F.

Friday: Sunny and hot, high near 100°F.

Friday night: Clear, low around 61°F.

Saturday: Sunny and a little cooler, high of about 94°F.

Saturday night: Mostly clear and cooler, low near 55°F.

Sunday: Mostly sunny, high around 89°F.

Sunday night: Partly cloudy, low of about 55°F.

Monday: Sunny, high near 87°F.

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 17 98°F 60°F 79°F 0.00"
March 16 94°F 55°F 75°F 0.00"
March 15 93°F 50°F 70°F 0.00"
March 14 85°F 53°F 69°F 0.00"
March 13 92°F 52°F 72°F 0.00"
March 12 91°F 51°F 71°F 0.00"
March 11 85°F 47°F 65°F 0.00"
More Past Weather
San Jacinto Featured Photos
Full Moon
Full moon: The evening moon rises above Mountain View High School in San Jacinto. Photo courtesy of Denise Leonard.
San Jacinto Weather News
Major heat spell to bring potential record heat to region

Strong high pressure, in addition to weak offshore flow, is slated to bring ...

Posted March 11, 2026, 4:44 AM
Other Weather Information

The San Jacinto, California weather pages are a service of WeatherCurrents. San Jacinto is located in the heart of the San Jacinto Valley, near Hemet, the Soboba Casino, and at the foot of the San Jacinto Mountains.
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