Weather WorldIsland Lake, CA Weather Forecast
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Island Lake Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY | MONDAY |
 |  |  |  |  | | |  | | | | |
| Mostly Cloudy | Clearing | Partly Cloudy | Mostly Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Chance of Rain | Mostly Clear | Clear | Clear | Mostly Sunny |
| Lo: 58°FLo: 14°C | Hi: 77°FHi: 25°C | Lo: 59°FLo: 15°C | Hi: 77°FHi: 25°C | Lo: 58°FLo: 14°C | Hi: 76°FHi: 24°C | Lo: 57°FLo: 14°C | Hi: 73°FHi: 23°C | Lo: 54°FLo: 12°C | Hi: 72°FHi: 22°C Lo: 52°FLo: 11°C | Hi: 72°FHi: 22°C Lo: 52°FLo: 11°C | Hi: 70°FHi: 21°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 800 PM PDT Mon Aug 24 2026 
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Issued: 1224 PM PDT Mon Aug 24 2026
Key Messages
- Dry with seasonable high temperatures through the week, with a cool down by the weekend.
- Elevated Fire Weather concerns for the northeastern Foothills and Northern Sacramento Valley this afternoon and evening.
Discussion
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Satellite has clear skies across Interior Northern California, with more scatted to broken clouds around NE California this afternoon. A weak upper level wave moves along the southwesterly flow aloft through CA this afternoon and evening bringing breezy southerly wi...