Posted Tuesday, January 20, 2026, 7:20 AM
Forecast not current
Current Outlook: Today in San Jacinto, expect clear skies with abundant sunshine. Temperatures will rise steadily, reaching a high near 77 degrees by the afternoon. Winds will remain light and variable throughout the day, generally staying under 5 mph. As we transition into the evening, conditions will continue to be mostly clear with temperatures cooling to a low around 46 degrees. Winds will persist as calm overnight.
The Week Ahead: Looking forward, Wednesday will bring partly sunny skies with a high near 73 degrees and continued light southwest winds. By Wednesday night, anticipate mostly cloudy conditions with lows holding steady around 46 degrees. Thursday introduces a slight chance of rain showers after 4 PM, with partly sunny skies and a high near 66 degrees; the chance of precipitation stands at 20%. Rain chances will linger into Thursday night before 4 AM. The latter part of the week shows a trend towards partly sunny days, with highs in the mid-60s and overnight lows in the mid-40s. The weekend outlook is more favorable, with mostly sunny skies and daytime temperatures gradually warming to near 70 degrees by Sunday.
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Today:
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65°F 45°F |
Partly cloudy |
| 0% chance of precipitation |
| Predicted Air Quality: good,
AQI:
34 (courtesy of the SCAQMD). |
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Pollen level is rated "low-medium".
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Friday night / Saturday morning:
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| 43°F |
Mostly cloudy |
| 0% chance of precipitation |
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Saturday:
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| 67°F |
Mostly sunny |
| 0% chance of precipitation |
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Saturday night / Sunday morning:
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| 42°F |
Mostly clear |
| 0% chance of precipitation |
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Sunday:
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| 69°F |
Sunny |
| 0% chance of precipitation |
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Sunday night / Monday morning:
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| 46°F |
Partly cloudy |
| 0% chance of precipitation |
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Monday:
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| 71°F |
Mostly sunny |
| 0% chance of precipitation |
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Monday night / Tuesday morning:
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| N/A |
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| % chance of precipitation |
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Tuesday:
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| N/A |
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| % chance of precipitation |
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Tuesday night / Wednesday morning:
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| N/A |
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| % chance of precipitation |
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Wednesday:
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| N/A |
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| % chance of precipitation |
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Wednesday night / Thursday morning:
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| N/A |
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| % chance of precipitation |
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Thursday:
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| N/A |
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| % chance of precipitation |
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