Sumach, WA 14 Day Weather - WeatherWorld.com
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Sumach, WA Weather Forecast


Sumach, WA Weather Forecast Dated: 158 PM Thu Sep 03 2026
Expect a mild stretch with a mix of sun and clouds and mostly dry weather over the coming period. comfortable humidity and no major pressure swings will dominate.
Thursday, September 3, 2026
Mid-Morning
57°F 14°C
Scattered Showers
Mid-Afternoon
70°F 21°C
Scattered Showers
Early-Evening
68°F 20°C
Scattered Showers
Pleasant near 70°F 21°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds turning from the S to the NW at 9 mph 15 km/h.
Friday, September 4, 2026
Mid-Morning
59°F 15°C
Partly Cloudy
Mid-Afternoon
69°F 20°C
Nearby Thunderstorms
Early-Evening
67°F 19°C
Nearby Thunderstorms
Comfortable with temperatures reaching 69°F 20°C, locally heavy thunderstorms at times, with steady humidity and steady pressure.
Saturday, September 5, 2026
Mid-Morning
60°F 16°C
Cloudy
Mid-Afternoon
71°F 22°C
Nearby Thunderstorms
Early-Evening
69°F 21°C
Nearby Thunderstorms
Enjoyable around 71°F 22°C, heavy thunderstorms conditions at times, with lower humidity and steady pressure. Winds switching from the NNW to the E at 6 mph 10 km/h.
Sunday, September 6, 2026
Mid-Morning
59°F 15°C
Overcast
Mid-Afternoon
75°F 24°C
Overcast
Early-Evening
73°F 23°C
Overcast
Mild temperatures up to 75°F 24°C, overcast through the afternoon, turning cloudy this evening, with lower humidity and barometric pressure falling.
Monday, September 7, 2026
Mid-Morning
63°F 17°C
Sunny
Mid-Afternoon
82°F 28°C
Sunny
Early-Evening
76°F 25°C
Partly Cloudy
Very warm with a high of 82°F 28°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure.
Tuesday, September 8, 2026
Mid-Morning
63°F 17°C
Partly Cloudy
Mid-Afternoon
78°F 25°C
Overcast
Early-Evening
76°F 24°C
Overcast
Pleasant near 78°F 25°C, overcast throughout the day, with lower humidity and steady pressure.
Wednesday, September 9, 2026
Mid-Morning
69°F 20°C
Sunny
Mid-Afternoon
85°F 29°C
Sunny
Early-Evening
81°F 28°C
Overcast
Balmy with temperatures reaching 85°F 29°C, cloudy in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and barometric pressure falling.
Thursday, September 10, 2026
Mid-Morning
69°F 21°C
Sunny
Mid-Afternoon
86°F 30°C
Overcast
Early-Evening
78°F 26°C
Partly Cloudy
Quite warm around 86°F 30°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and barometric pressure falling. Winds moving from the W to the NW at 8 mph 13 km/h.
Friday, September 11, 2026
Mid-Morning
63°F 17°C
Sunny
Mid-Afternoon
71°F 22°C
Overcast
Early-Evening
64°F 18°C
Overcast
Mild temperatures up to 71°F 22°C, cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure. Winds swinging from the SSW to the W at 10 mph 17 km/h.
Saturday, September 12, 2026
Mid-Morning
56°F 13°C
Overcast
Mid-Afternoon
67°F 20°C
Cloudy
Early-Evening
65°F 18°C
Overcast
Mildly cool near 67°F 20°C, overcast throughout the day, with lower humidity and steady pressure. Winds shifting from the W to the NNW at 8 mph 12 km/h.
Sunday, September 13, 2026
Mid-Morning
54°F 12°C
Sunny
Mid-Afternoon
72°F 22°C
Sunny
Early-Evening
69°F 21°C
Overcast
Pleasant near 72°F 22°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with lower humidity and steady pressure.
Monday, September 14, 2026
Mid-Morning
58°F 15°C
Partly Cloudy
Mid-Afternoon
73°F 23°C
Overcast
Early-Evening
73°F 23°C
Sunny
Comfortable with temperatures reaching 73°F 23°C, overcast through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure.
Tuesday, September 15, 2026
Mid-Morning
63°F 17°C
Sunny
Mid-Afternoon
82°F 28°C
Sunny
Early-Evening
77°F 25°C
Sunny
Quite warm around 82°F 28°C, sunny throughout the day, with lower humidity and steady pressure.
Wednesday, September 16, 2026
Mid-Morning
66°F 19°C
Sunny
Mid-Afternoon
82°F 28°C
Sunny
Early-Evening
79°F 26°C
Sunny
Warm temperatures up to 82°F 28°C, partly cloudy through the afternoon, turning sunny this evening, with lower humidity and barometric pressure falling.
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