Boundary Lakes, WA Weather Forecast
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Boundary Lakes Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
| Chance of Rain | Mostly Clear | Sunny | Mostly Clear | Mostly Sunny | Chance of Rain | Chance of Rain | Partly Cloudy | Mostly Sunny | Chance of Rain | Chance of Rain | Chance of Rain |
| Hi: 65°FHi: 18°C | Lo: 46°FLo: 8°C | Hi: 70°FHi: 21°C | Lo: 46°FLo: 8°C | Hi: 70°FHi: 21°C | Lo: 50°FLo: 10°C | Hi: 61°FHi: 16°C | Lo: 40°FLo: 4°C | Hi: 59°FHi: 15°C | Lo: 41°FLo: 5°C | Hi: 55°FHi: 13°C | Lo: 40°FLo: 4°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 236 AM PDT Wed Oct 14 2026 

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Issued: 220 AM PDT Wed Oct 14 2026
Aviation
...A weak frontal system will continue to bring light rain showers across portions of western Washington through late this morning as it traverses the area. In addition to rain, ceilings are a bit of a mixed bag ranging from IFR to VFR. Ceilings will likely continue to slowly lower early this morning, with mostly continuing MVFR conditions across the interior, with IFR to LIFR conditions along the coast. Ceilings will slowly lift and scatter late morning/early afternoon (between 18-21Z) ...
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