Lagoon, CA Weather Forecast
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Lagoon Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
| Clear | Mostly Sunny | Mostly Cloudy | Clearing | Clear | Sunny | Clear | Mostly Clear | Mostly Clear | Partly Cloudy | Mostly Clear | Mostly Clear |
| Lo: 57°FLo: 14°C | Hi: 77°FHi: 25°C | Lo: 57°FLo: 14°C | Hi: 79°FHi: 26°C | Lo: 58°FLo: 14°C | Hi: 88°FHi: 31°C | Lo: 59°FLo: 15°C | Hi: 88°FHi: 31°C Lo: 59°FLo: 15°C | Hi: 88°FHi: 31°C Lo: 59°FLo: 15°C | Hi: 84°FHi: 29°C | Hi: 84°FHi: 29°C Lo: 57°FLo: 14°C | Hi: 84°FHi: 29°C Lo: 57°FLo: 14°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 201 PM PDT Tue Sep 15 2026 

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Issued: 1205 PM PDT Tue Sep 15 2026
Key Messages
- Cooler weather, increased humidity, and precipitation chances are in store Wednesday-Thursday, best chances across Coast Range, Shasta County, and Southern Cascades area.
- Late week into the weekend will see conditions warm to near normal temperatures with drying conditions, particularly over the northern Sacramento Valley
Discussion
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Today: Fairly benign weather today with similar afternoon highs with a slight increase in moisture compared to yesterday, as our north winds died off ye...
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