Whatcom County, WA Weather Forecast
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Whatcom County Weather Forecast
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POP = Probability of Precipitation.
Weather Outlook Updated: 342 AM PDT Mon Oct 05 2026 

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Issued: 821 AM PDT Mon Oct 5 2026
Aviation
... Onshore flow this morning has led to widespread areas of fog this morning, primarily from central Puget Sound southward, and north of Everett. The areas of fog/mist will likely begin lifting as early as 18Z, and then fully scatter out for all except the coast/Strait of Juan de Fuca by 20-22Z. The two coasts likely retain MVFR ceilings into the afternoon/evening. Given the continuing/stagnant onshore pattern with high pressure offshore, another round of fog/mist is likely to develop T...
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