Lewiston, CA Weather Forecast
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Lewiston Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
| Partly Cloudy | Chance of T-Storm | Rain and Snow | Rain and Snow | Rain and Snow | Rain | Chance of T-Storm | Rain and Snow | Rain and Snow | Patchy Fog | Patchy Fog | Rain and Snow |
| Hi: 68°FHi: 20°C | Lo: 43°FLo: 6°C | Hi: 50°FHi: 10°C | Lo: 38°FLo: 3°C | Hi: 54°FHi: 12°C | Lo: 41°FLo: 5°C | Hi: 49°FHi: 9°C | Hi: 49°FHi: 9°C Lo: 36°FLo: 2°C | Hi: 49°FHi: 9°C Lo: 36°FLo: 2°C | Lo: 31°FLo: -1°C | Hi: 52°FHi: 11°C | Lo: 33°FLo: 1°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1237 AM PST Thu Nov 12 2026 

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Issued: 1202 AM PST Thu Nov 12 2026
Key Messages
- Dry and unseasonably warm weather expected Thursday.
- Moderate to heavy rain and gusty south winds across much of the area through Friday.
- Very large surf Saturday with breaking waves over 25 feet is possible. This will increase beach erosion and possibly bring some coastal flooding.
- Additional rain and winds are possible over the weekend and into early next week.
Discussion
...A brief period of high pressure will continue for Northwest California through mid Thursday. Dry air and warme...
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