Whatcom County, WA Weather Forecast

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Whatcom County, WA Weather Forecast

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Whatcom County WA weather  - Clear - 56°F
Clear
56°F
Updated 10:26 am
Feels Like 57°F
Humidity 86%
Wind S 9 mph
Barometer  30.11 in
Dew Point 52°F
Whatcom County WA weather  - Clear - 13°C
Clear
13°C
Updated 10:26 am
Feels Like 14°C
Humidity 86%
Wind S 14 km/h
Barometer  102 kPa
Dew Point 11°C

Whatcom County Weather Forecast

TODAY TONIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT
Whatcom County, WA Weather - Today Partly Sunny Whatcom County, WA Weather - Tonight Partly Cloudy Whatcom County, WA Weather - Tuesday Partly Sunny Whatcom County, WA Weather - Tuesday Night Partly Cloudy Whatcom County, WA Weather - Wednesday Sunny Whatcom County, WA Weather - Wednesday Night Mostly Clear Whatcom County, WA Weather - Thursday Sunny Whatcom County, WA Weather - Thursday Night Mostly Cloudy Whatcom County, WA Weather - Friday Rain And Snow Whatcom County, WA Weather - Friday Night Rain And Snow Whatcom County, WA Weather - Saturday Rain And Snow Whatcom County, WA Weather - Saturday Night Chance Of Snow
Partly Sunny Partly Cloudy Partly Sunny Partly Cloudy Sunny Mostly Clear Sunny Mostly Cloudy Rain and Snow Rain and Snow Rain and Snow Chance of Snow
POP = Probability of Precipitation.
Weather Outlook Updated: 342 AM PDT Mon Oct 05 2026 Whatcom County, WA Weather - WeatherWorld.com

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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...