Lake Simms, WA Weather Forecast
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Lake Simms Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
| Partly Cloudy | Mostly Sunny | Rain and Snow | Rain and Snow | Partly Cloudy | Mostly Sunny | Mostly Cloudy | Mostly Cloudy | Rain and Snow | Mostly Sunny | Partly Cloudy | Mostly Sunny |
| Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C | Lo: 41°FLo: 5°C | Hi: 45°FHi: 7°C | Lo: 31°FLo: -1°C | Hi: 49°FHi: 9°C | Lo: 35°FLo: 2°C | Hi: 45°FHi: 7°C | Lo: 35°FLo: 2°C | Hi: 50°FHi: 10°C | Lo: 35°FLo: 2°C | Hi: 51°FHi: 11°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 236 PM PDT Thu Oct 15 2026 

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Issued: 230 PM PDT Thu Oct 15 2026
Aviation
... High pressure aloft over the region this afternoon will shift inland on Friday. Flow aloft will remain southwesterly through the period. Latest satellite imagery shows fog and low clouds have largely scattered across the area this afternoon, leading to mostly sunny skies across western Washington. Conditions across the area terminals have rebounded to VFR as a result. A system approaching the region offshore will bring increasing high cloud cover to the area tonight into Friday. High...
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