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Summit, WA Weather Forecast
Summit, WA Weather Forecast Dated: 1112 AM Wed Sep 02 2026 (Summit Time)
Expect a mild stretch with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.
Wednesday, September 2, 2026
Mid-Morning
65°F 18°C
Overcast
Mid-Afternoon
66°F 19°C
Light Showers
Early-Evening
56°F 14°C
Light Showers
Refreshing around 66°F 19°C, drier morning followed by showers lasting through evening, with increasing humidity and steady pressure.
Thursday, September 3, 2026
Mid-Morning
55°F 13°C
Cloudy
Mid-Afternoon
72°F 22°C
Scattered Showers
Early-Evening
56°F 13°C
Light Showers
Comfortable with temperatures reaching 72°F 22°C, scattered downpours possible, with steady humidity and steady pressure.
Friday, September 4, 2026
Mid-Morning
56°F 13°C
Scattered Showers
Mid-Afternoon
70°F 21°C
Cloudy
Early-Evening
62°F 17°C
Cloudy
Enjoyable around 70°F 21°C, locally heavy downpours at times, with lower humidity and steady pressure.
Saturday, September 5, 2026
Mid-Morning
58°F 15°C
Sunny
Mid-Afternoon
79°F 26°C
Cloudy
Early-Evening
66°F 19°C
Sunny
Mild temperatures up to 79°F 26°C, sunny in the morning, overcast in the afternoon, and sunny this evening, with lower humidity and barometric pressure falling. Winds turning from the N to the NNE at 5 mph 8 km/h.
Sunday, September 6, 2026
Mid-Morning
58°F 15°C
Overcast
Mid-Afternoon
76°F 25°C
Sunny
Early-Evening
70°F 21°C
Overcast
Mild with a high of 76°F 25°C, overcast in the morning, sunny in the afternoon, and cloudy this evening, with lower humidity and barometric pressure falling.
Monday, September 7, 2026
Mid-Morning
63°F 17°C
Overcast
Mid-Afternoon
69°F 21°C
Scattered Showers
Early-Evening
63°F 17°C
Scattered Showers
Pleasant near 69°F 21°C, locally heavy downpours at times, with increasing humidity and steady pressure.
Tuesday, September 8, 2026
Mid-Morning
60°F 15°C
Overcast
Mid-Afternoon
65°F 18°C
Cloudy
Early-Evening
61°F 16°C
Sunny
Comfortable at 65°F 18°C, overcast through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure.
Wednesday, September 9, 2026
Mid-Morning
56°F 13°C
Partly Cloudy
Mid-Afternoon
71°F 21°C
Partly Cloudy
Early-Evening
66°F 19°C
Sunny
Enjoyable around 71°F 21°C, partly cloudy throughout the day, with lower humidity and barometric pressure falling. Winds switching from the S to the SW at 9 mph 14 km/h.
Thursday, September 10, 2026
Mid-Morning
58°F 14°C
Scattered Showers
Mid-Afternoon
60°F 15°C
Light Showers
Early-Evening
57°F 14°C
Scattered Showers
Refreshing around 60°F 15°C, locally heavy downpours at times, with steady humidity and barometric pressure falling. Winds moving from the SW to the SSW at 7 mph 11 km/h.
Friday, September 11, 2026
Mid-Morning
55°F 13°C
Light Showers
Mid-Afternoon
62°F 17°C
Scattered Showers
Early-Evening
58°F 15°C
Partly Cloudy
Mildly cool near 62°F 17°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure.
Saturday, September 12, 2026
Mid-Morning
53°F 12°C
Sunny
Mid-Afternoon
69°F 21°C
Sunny
Early-Evening
60°F 16°C
Scattered Showers
Pleasant near 69°F 21°C, scattered downpours possible, with lower humidity and steady pressure.
Sunday, September 13, 2026
Mid-Morning
54°F 12°C
Scattered Showers
Mid-Afternoon
73°F 23°C
Nearby Thunderstorms
Early-Evening
62°F 17°C
Light Showers
Comfortable with temperatures reaching 73°F 23°C, locally heavy downpours at times, with lower humidity and steady pressure.
Monday, September 14, 2026
Mid-Morning
56°F 14°C
Sunny
Mid-Afternoon
76°F 24°C
Sunny
Early-Evening
65°F 19°C
Partly Cloudy
Enjoyable around 76°F 24°C, partly cloudy in the morning, sunny in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure.
Tuesday, September 15, 2026
Mid-Morning
56°F 13°C
Cloudy
Mid-Afternoon
72°F 22°C
Sunny
Early-Evening
63°F 17°C
Partly Cloudy
Mild temperatures up to 72°F 22°C, overcast in the morning, sunny in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure. Winds swinging from the SSW to the SW at 6 mph 10 km/h.
Summit, WA Weather Radar Map
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