Chimacum, WA Weather Forecast
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Chimacum Weather Forecast
| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
| Mostly Clear | Mostly Cloudy | Partly Cloudy | Chance of Rain | Chance of Rain | Chance of Rain | Mostly Cloudy | Chance of Rain | Rain | Chance of Rain | Chance of Rain | Partly Sunny |
| Lo: 46°FLo: 8°C | Hi: 66°FHi: 19°C | Lo: 50°FLo: 10°C | Hi: 65°FHi: 18°C | Lo: 46°FLo: 8°C | Hi: 63°FHi: 17°C | Lo: 46°FLo: 8°C | Hi: 60°FHi: 16°C | Lo: 46°FLo: 8°C | Hi: 60°FHi: 16°C | Lo: 47°FLo: 8°C | Hi: 63°FHi: 17°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 236 PM PDT Sun Sep 20 2026 

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Issued: 136 PM PDT Sun Sep 20 2026
Aviation
...Marine stratus continues to erode, with only portions of southwestern Washington still holding onto some of it. Widespread VFR conditions are expected to continue throughout the afternoon with light northerly surface winds. Another round of marine stratus clouds is forecast to arrive late tonight into early Monday morning, but looks to primarily impact coastal terminals, getting as far in as KPWT and KOLM. Patchy low cigs are possible for the rest of the Puget Sound terminals tomorrow...
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