Currently 71°F in San Jacinto, California, USA
71°F
91°F / 53°F
calm
0.00"
Tuesday, October 21, 2025 7:44 PM PDT
San Jacinto Forecast Summary
Today Tomorrow Thursday
Mostly cloudy Mostly sunny Sunny
Mostly cloudy   Mostly sunny   Sunny
High: 82°F High: 71°F High: 78°F
Low: 59°F Low: 52°F Low: 50°F
Currently in San Jacinto

Temperature, Humidity, Wind & Pressure

Time:  7:44 PM PDT
Temperature:  71°F
Normal Temperature 72°F
Relative Humidity:  48%
Dewpoint:  50°F
Heat Index:  77°F
Wind Chill:  71°F
Wind:  calm
Gusts:  3 mph
Barometer:  30.51" HgPressure Change rising

Sunrise & Sunset

Sunrise Sunset Daylight
Today: 6:57 AM 6:07 PM 11:10
Tomorrow: 6:58 AM 6:06 PM 11:08
30 Day Sunrise and Sunset Almanac

Extreme Temperatures

Today Time Normal Last Year
High: 91°F 2:58 PM 83°F 88°F
Low: 53°F 5:52 AM 54°F 53°F

Precipitation

60 Min. Today Month Season
0.00" 0.00" 0.37" 0.87"
Season began July 1, 2025
Past Season Precipitation Totals
Data captured from a Davis Instruments Vantage Pro 2
Local Weather Roundup
San Jacinto:
71°F
68°F
72°F
N/A*
69°F
70°F
N/A*
* Weather report not current
San Jacinto Forecast
Tuesday, October 21, 2025

Today's Forecast: The afternoon in San Jacinto will be mostly sunny with highs reaching near 89 degrees. Winds will remain light to moderate from the southwest. As we move into the evening, expect patchy fog to develop after 2am, alongside partly cloudy skies and a low around 53 degrees. The light winds from the west should not impact evening activities.

The Week Ahead: Wednesday will start with patchy fog before 11am, later giving way to mostly sunny skies and a cooler high near 73 degrees. Breezy conditions may develop throughout the day. The pattern of patchy fog continues into early Thursday, before clearing to sunny skies and a high near 79 degrees. Looking towards the weekend, expect mostly sunny to clear conditions with daytime highs comfortably ranging from 76 to 85 degrees and nighttime lows consistently in the mid-50s. No significant weather events are expected to interrupt weekend plans.

Today: Mostly cloudy with some sunshine possible , high near 82°F .

Pollen level is rated "low-medium".

Predicted air quality is good, AQI: 48 (courtesy of the SCAQMD).

Tonight: Mostly clear, low around 52°F.

Wednesday: Mostly sunny after early morning fog and clouds burn away, high of about 71°F.

Wednesday night:Patchy fog possible, low near 50°F.

Thursday: Sunny, high around 78°F.

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

Friday: Sunny and warm, high near 84°F.

Friday night: Mostly clear, low around 56°F.

Saturday: Mostly sunny, high of about 79°F.

Saturday night: Partly cloudy, low near 53°F.

Sunday: Mostly sunny, high around 75°F.

Sunday night: Partly cloudy, low of about 52°F.

Monday: Sunny, high near 78°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.
October 20 89°F 52°F 69°F 0.00"
October 19 86°F 52°F 69°F 0.00"
October 18 87°F 51°F 69°F 0.00"
October 17 82°F 49°F 66°F 0.00"
October 16 79°F 46°F 61°F 0.00"
October 15 68°F 51°F 58°F 0.00"
October 14 65°F 53°F 57°F 0.37"
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
Storm Totals: October 14th-15th, 2025

A Pacific low pressure system brought widespread rain and windy conditions ...

Posted October 15, 2025, 11:05 PM
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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