Currently 74°F in San Jacinto, California, USA
74°F
99°F / 70°F
2 mph SW
0.00"
Wednesday, September 17, 2025 11:12 PM PDT

Seven Day Forecast for San Jacinto, California

Posted Wednesday, September 17, 2025, 3:06 PM

Today's Forecast: San Jacinto residents should be aware of a slight chance of showers and thunderstorms developing after 5pm. The day will be mostly cloudy with a high near 94 degrees. No significant wind is expected, keeping conditions comfortable for outdoor activities. Evening commuters should be prepared for potential precipitation with a 20% chance of rain.

The Week Ahead: Showers and thunderstorms are likely tonight and will continue into Thursday, with mostly cloudy skies and a low around 66 degrees tonight. The high on Thursday will be cooler, near 88 degrees. Rainfall amounts could range from a quarter to half an inch. The chance of precipitation decreases slightly on Friday, with a mix of sun and clouds and highs around 88. The weekend outlook is much clearer, with sunny skies anticipated for Saturday and Sunday and highs in the low 90s. Nighttime temperatures will remain mild, in the mid-60s. The pleasant weather is expected to continue into the early part of next week.

Sunny, Chance of thunderstorms
Today:
90°F 
65°F 
Sunny. A slight chance of thunderstorms after 11am
20% chance of precipitation
Predicted Air Quality: moderate, AQI: 54 (courtesy of the SCAQMD).
Pollen level is rated "medium".
Wednesday night / Thursday morning:
66°F  A chance of showers and thunderstorms, mainly after 11pm
40% chance of precipitation
Showers, Chance of thunderstorms
Thursday:
86°F  Showers likely with thunderstorm activity also possible
70% chance of precipitation
Thursday night / Friday morning:
64°F  Chance of showers and thunderstorms decreasing overnight
40% chance of precipitation
Chance of thunderstorms, Chance of showers
Friday:
86°F  Chance for showers and thunderstorms
30% chance of precipitation
Friday night / Saturday morning:
64°F  Mostly clear
0% chance of precipitation
Partly cloudy, Chance of thunderstorms
Saturday:
90°F  Partly cloudy with a slight chance of thunderstorms after noon
20% chance of precipitation
Saturday night / Sunday morning:
65°F  Mostly clear
0% chance of precipitation
Mostly sunny
Sunday:
92°F  Mostly sunny
0% chance of precipitation
Sunday night / Monday morning:
67°F  Mostly clear
0% chance of precipitation
Sunny, Hot
Monday:
95°F  Sunny and hot
0% chance of precipitation
Monday night / Tuesday morning:
69°F  Mostly clear
0% chance of precipitation
Sunny
Tuesday:
94°F  Sunny
0% chance of precipitation

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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