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Markham, WA Weather Forecast
Markham, WA Weather Forecast Dated: 538 AM Thu Sep 03 2026
Expect a cool pattern with more clouds than sun and occasional showers over the coming period. generally humid conditions and no major pressure swings will dominate.
Thursday, September 3, 2026
Mid-Morning
55°F 13°C
Rain
Mid-Afternoon
59°F 15°C
Light Showers
Early-Evening
57°F 14°C
Light Showers
Refreshing around 59°F 15°C, rounds of showers expected off and on all day, with steady humidity and steady pressure. Winds turning from the E to the N at 4 mph 7 km/h.
Friday, September 4, 2026
Mid-Morning
54°F 12°C
Overcast
Mid-Afternoon
63°F 17°C
Light Showers
Early-Evening
59°F 15°C
Scattered Showers
Mildly cool near 63°F 17°C, scattered downpours possible, with steady humidity and steady pressure.
Saturday, September 5, 2026
Mid-Morning
57°F 14°C
Overcast
Mid-Afternoon
65°F 19°C
Overcast
Early-Evening
61°F 16°C
Partly Cloudy
Comfortable at 65°F 19°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds switching from the E to the NNW at 8 mph 13 km/h.
Sunday, September 6, 2026
Mid-Morning
61°F 16°C
Partly Cloudy
Mid-Afternoon
66°F 19°C
Sunny
Early-Evening
61°F 16°C
Sunny
Cool with a high near 66°F 19°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds moving from the ENE to the NW at 7 mph 12 km/h.
Monday, September 7, 2026
Mid-Morning
60°F 15°C
Sunny
Mid-Afternoon
64°F 18°C
Sunny
Early-Evening
59°F 15°C
Partly Cloudy
Refreshing around 64°F 18°C, sunny through the afternoon, turning partly cloudy this evening, with increasing humidity and steady pressure. Winds swinging from the E to the WNW at 9 mph 14 km/h.
Tuesday, September 8, 2026
Mid-Morning
59°F 15°C
Overcast
Mid-Afternoon
64°F 18°C
Sunny
Early-Evening
59°F 15°C
Sunny
Mildly cool near 64°F 18°C, overcast in the morning, cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds blowing from the WNW at 10 mph 16 km/h.
Wednesday, September 9, 2026
Mid-Morning
59°F 15°C
Overcast
Mid-Afternoon
67°F 19°C
Overcast
Early-Evening
60°F 16°C
Overcast
Comfortable at 67°F 19°C, partly cloudy in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and barometric pressure falling. Winds turning from the NE to the NW at 8 mph 12 km/h.
Thursday, September 10, 2026
Mid-Morning
58°F 14°C
Scattered Showers
Mid-Afternoon
63°F 17°C
Overcast
Early-Evening
59°F 15°C
Overcast
Cool with a high near 63°F 17°C, scattered downpours possible, with steady humidity and steady pressure. Winds switching from the WNW to the W at 7 mph 11 km/h.
Friday, September 11, 2026
Mid-Morning
59°F 15°C
Heavy Rain Showers
Mid-Afternoon
57°F 14°C
Scattered Showers
Early-Evening
55°F 13°C
Light Showers
Brisk around 57°F 14°C, locally heavy downpours at times, with steady humidity and barometric pressure rising. Winds tapering down from SSW 19 mph 30 km/h to W 10 mph 16 km/h.
Saturday, September 12, 2026
Mid-Morning
54°F 12°C
Light Showers
Mid-Afternoon
58°F 14°C
Light Showers
Early-Evening
60°F 15°C
Light Showers
Mildly cool near 58°F 14°C, rounds of showers expected off and on all day, with steady humidity and steady pressure. Winds increasing from the S at 10 mph 16 km/h to WSW at 21 mph 33 km/h. Gusts up to 33 mph 53 km/h.
Sunday, September 13, 2026
Mid-Morning
56°F 14°C
Scattered Showers
Mid-Afternoon
63°F 17°C
Partly Cloudy
Early-Evening
57°F 14°C
Partly Cloudy
Comfortable at 63°F 17°C, scattered downpours possible, with steady humidity and steady pressure. Winds shifting from the E to the SW at 6 mph 10 km/h.
Monday, September 14, 2026
Mid-Morning
54°F 12°C
Overcast
Mid-Afternoon
66°F 19°C
Overcast
Early-Evening
57°F 14°C
Overcast
Cool with a high near 66°F 19°C, overcast in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds turning from the ENE to the NW at 7 mph 11 km/h.
Tuesday, September 15, 2026
Mid-Morning
55°F 13°C
Overcast
Mid-Afternoon
62°F 17°C
Overcast
Early-Evening
58°F 15°C
Overcast
Refreshing around 62°F 17°C, overcast throughout the day, with steady humidity and steady pressure. Winds switching from the SSE to the NW at 6 mph 9 km/h.
Wednesday, September 16, 2026
Mid-Morning
54°F 12°C
Sunny
Mid-Afternoon
62°F 17°C
Cloudy
Early-Evening
57°F 14°C
Overcast
Mildly cool near 62°F 17°C, sunny in the morning, partly cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds moving from the SE to the WNW at 7 mph 11 km/h.
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