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Columbia, WA Weather Forecast
Columbia, WA Weather Forecast Dated: 1045 PM Sun Sep 27 2026
Expect a mild stretch with a mix of sun and clouds and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate.
Sunday, September 27, 2026
Mid-Morning
51°F 10°C
Overcast
Mid-Afternoon
65°F 18°C
Sunny
Early-Evening
57°F 14°C
Sunny
Refreshing around 65°F 18°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds turning from the NNE to the NE at 6 mph 9 km/h.
Monday, September 28, 2026
Mid-Morning
50°F 10°C
Overcast
Mid-Afternoon
67°F 19°C
Overcast
Early-Evening
62°F 17°C
Overcast
Mildly cool near 67°F 19°C, overcast throughout the day, with steady humidity and barometric pressure falling. Winds switching from the SSE to the S at 10 mph 16 km/h.
Tuesday, September 29, 2026
Mid-Morning
56°F 13°C
Scattered Showers
Mid-Afternoon
57°F 14°C
Scattered Showers
Early-Evening
56°F 14°C
Scattered Showers
Chilly near 57°F 14°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds SSW at 12 mph 19 km/h.
Wednesday, September 30, 2026
Mid-Morning
52°F 11°C
Partly Cloudy
Mid-Afternoon
63°F 17°C
Overcast
Early-Evening
57°F 14°C
Overcast
Cool with a high near 63°F 17°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure.
Thursday, October 1, 2026
Mid-Morning
54°F 12°C
Overcast
Mid-Afternoon
67°F 20°C
Overcast
Early-Evening
59°F 15°C
Overcast
Refreshing around 67°F 20°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and steady pressure.
Friday, October 2, 2026
Mid-Morning
56°F 13°C
Sunny
Mid-Afternoon
71°F 22°C
Overcast
Early-Evening
65°F 19°C
Sunny
Pleasant near 71°F 22°C, sunny in the morning, overcast in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure.
Saturday, October 3, 2026
Mid-Morning
56°F 14°C
Sunny
Mid-Afternoon
67°F 19°C
Sunny
Early-Evening
57°F 14°C
Cloudy
Comfortable at 67°F 19°C, cloudy in the morning, sunny in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure. Winds out of the N at 8 mph 13 km/h.
Sunday, October 4, 2026
Mid-Morning
53°F 12°C
Sunny
Mid-Afternoon
71°F 22°C
Overcast
Early-Evening
63°F 17°C
Sunny
Enjoyable around 71°F 22°C, sunny in the morning, becoming partly cloudy through the afternoon and evening, with lower humidity and barometric pressure falling. Winds blowing from the N at 8 mph 12 km/h.
Monday, October 5, 2026
Mid-Morning
57°F 14°C
Sunny
Mid-Afternoon
74°F 23°C
Sunny
Early-Evening
67°F 19°C
Overcast
Mild temperatures up to 74°F 23°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and steady pressure.
Tuesday, October 6, 2026
Mid-Morning
55°F 13°C
Sunny
Mid-Afternoon
69°F 20°C
Sunny
Early-Evening
62°F 17°C
Sunny
Mild with a high of 69°F 20°C, sunny throughout the day, with lower humidity and steady pressure.
Wednesday, October 7, 2026
Mid-Morning
57°F 14°C
Sunny
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
65°F 18°C
Partly Cloudy
Pleasant near 73°F 23°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds N at 8 mph 13 km/h.
Thursday, October 8, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
75°F 24°C
Sunny
Early-Evening
67°F 19°C
Sunny
Comfortable with temperatures reaching 75°F 24°C, sunny throughout the day, with steady humidity and steady pressure.
Friday, October 9, 2026
Mid-Morning
61°F 16°C
Sunny
Mid-Afternoon
78°F 25°C
Sunny
Early-Evening
69°F 20°C
Sunny
Enjoyable around 78°F 25°C, sunny throughout the day, with lower humidity and steady pressure.
Saturday, October 10, 2026
Mid-Morning
62°F 17°C
Sunny
Mid-Afternoon
78°F 26°C
Sunny
Early-Evening
69°F 21°C
Sunny
Mild temperatures up to 78°F 26°C, sunny throughout the day, with steady humidity and steady pressure.
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