Weather WorldSummer Lake, CA Weather Forecast
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Summer Lake Weather Forecast
| TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
 |  | | | | | | |  |  | |  |
| Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Chance of Rain |
| Lo: 52°FLo: 11°C | Hi: 90°FHi: 32°C | Lo: 52°FLo: 11°C | Hi: 90°FHi: 32°C | Hi: 89°FHi: 32°C Lo: 51°FLo: 11°C | Hi: 89°FHi: 32°C Lo: 51°FLo: 11°C | Lo: 46°FLo: 8°C | Hi: 72°FHi: 22°C | Hi: 72°FHi: 22°C Lo: 41°FLo: 5°C | Hi: 72°FHi: 22°C Lo: 41°FLo: 5°C | Lo: 41°FLo: 5°C | Hi: 67°FHi: 19°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 136 PM PDT Wed Oct 14 2026 
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Issued: 1145 AM PDT Wed Oct 14 2026
Key Messages
- Warming trend continues through the end of the week as offshore winds increase and inland temperatures reach the high 80s to low 90s.
- A Red Flag Warning and Fire Weather Watch has been issued for FWZ 418 & 419 in eastern Lake County tomorrow due to Low RH (<20%) and strong winds with gusts of 35mph.
- This weekends cold front continues to evolve, yet timing of remains consistent for a Sunday afternoon/evening arrival.
Discussion
...The week`s warming trend remains strong as high pressure builds over the area. Inland temperatures ...