Whatcom County, WA 14 Day Weather - WeatherWorld.com
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Whatcom County, WA Weather Forecast


Whatcom County, WA Weather Forecast Dated: 606 AM Sun Oct 11 2026
Expect a cool pattern with more clouds than sun and occasional showers over the coming period. generally humid conditions and a stable pattern will dominate.
Sunday, October 11, 2026
Mid-Morning
44°F 7°C
Sunny
Mid-Afternoon
56°F 14°C
Sunny
Early-Evening
42°F 6°C
Sunny
Brisk around 56°F 14°C, sunny throughout the day, with steady humidity and steady pressure.
Monday, October 12, 2026
Mid-Morning
45°F 7°C
Sunny
Mid-Afternoon
54°F 12°C
Sunny
Early-Evening
41°F 5°C
Partly Cloudy
Cool and brisk at 54°F 12°C, sunny through the afternoon, turning partly cloudy this evening, with increasing humidity and steady pressure.
Tuesday, October 13, 2026
Mid-Morning
48°F 9°C
Partly Cloudy
Mid-Afternoon
51°F 11°C
Overcast
Early-Evening
48°F 9°C
Overcast
Chilly near 51°F 11°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with increasing humidity and steady pressure.
Wednesday, October 14, 2026
Mid-Morning
49°F 9°C
Light Fog
Mid-Afternoon
52°F 11°C
Light Fog
Early-Evening
49°F 9°C
Light Fog
Crisp with a high near 52°F 11°C, overcast throughout the day, with steady humidity and steady pressure.
Thursday, October 15, 2026
Mid-Morning
48°F 9°C
Overcast
Mid-Afternoon
66°F 19°C
Overcast
Early-Evening
53°F 12°C
Overcast
Refreshing around 66°F 19°C, overcast throughout the day, with lower humidity and steady pressure.
Friday, October 16, 2026
Mid-Morning
54°F 12°C
Overcast
Mid-Afternoon
66°F 19°C
Overcast
Early-Evening
56°F 13°C
Overcast
Mildly cool near 66°F 19°C, overcast throughout the day, with steady humidity and barometric pressure falling.
Saturday, October 17, 2026
Mid-Morning
54°F 12°C
Partly Cloudy
Mid-Afternoon
59°F 15°C
Drizzle
Early-Evening
53°F 11°C
Drizzle
Comfortable at 59°F 15°C, drier morning followed by showers lasting through evening, with increasing humidity and steady pressure.
Sunday, October 18, 2026
Mid-Morning
48°F 9°C
Drizzle
Mid-Afternoon
54°F 12°C
Light Showers
Early-Evening
50°F 10°C
Light Showers
Crisp with a high near 54°F 12°C, persistent showers off and on through the day, with steady humidity and steady pressure.
Monday, October 19, 2026
Mid-Morning
47°F 9°C
Drizzle
Mid-Afternoon
49°F 9°C
Light Showers
Early-Evening
43°F 6°C
Cloudy
Brisk around 49°F 9°C, showers through the afternoon, tapering off by evening, with steady humidity and steady pressure. Winds turning from the SSW to the SSE at 6 mph 9 km/h.
Tuesday, October 20, 2026
Mid-Morning
44°F 7°C
Scattered Showers
Mid-Afternoon
46°F 8°C
Scattered Showers
Early-Evening
45°F 7°C
Scattered Showers
Cool and brisk at 46°F 8°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure.
Wednesday, October 21, 2026
Mid-Morning
40°F 4°C
Cloudy
Mid-Afternoon
54°F 12°C
Overcast
Early-Evening
46°F 8°C
Overcast
Chilly near 54°F 12°C, overcast in the morning, partly cloudy in the afternoon, and overcast this evening, with lower humidity and barometric pressure falling.
Thursday, October 22, 2026
Mid-Morning
47°F 8°C
Overcast
Mid-Afternoon
55°F 13°C
Partly Cloudy
Early-Evening
46°F 8°C
Partly Cloudy
Crisp with a high near 55°F 13°C, overcast in the morning, cloudy in the afternoon, and partly cloudy this evening, with increasing humidity and barometric pressure rising.
Friday, October 23, 2026
Mid-Morning
45°F 7°C
Partly Cloudy
Mid-Afternoon
56°F 14°C
Overcast
Early-Evening
47°F 9°C
Sunny
Brisk around 56°F 14°C, cloudy in the morning, overcast in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure.
Saturday, October 24, 2026
Mid-Morning
48°F 9°C
Overcast
Mid-Afternoon
58°F 15°C
Overcast
Early-Evening
51°F 10°C
Cloudy
Mildly cool near 58°F 15°C, partly cloudy in the morning, overcast in the afternoon, and cloudy this evening, with steady humidity and steady pressure.
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