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Sumner WA Weather - Light Rain - 57°F
Light Rain
57°F
Updated 5:49 pm
Feels Like 56°F
Humidity 100%
Wind N 0 mph
Barometer  29.7 in
Dew Point 57°F
Sumner WA Weather - Light Rain - 14°C
Light Rain
14°C
Updated 5:49 pm
Feels Like 13°C
Humidity 100%
Wind N 0 km/h
Barometer  100.5 kPa
Dew Point 14°C
Sumner, WA Weather and Current Conditionssumner wa weather forecast

Sumner, WA Weather Forecast

Sumner Washington WeatherSumner, Washington Weather Weather Forecast
14 Day API Sumner, WA Weather Forecast. Note: Our 7 day Sumner, Washington weather forecast is our most reliable, and specific forecast. This model should only be used as a probable scenario. Forecasting more than 7 days ahead is challenging.
Sumner, WA Weather Forecast Dated: 549 PM Wed Sep 02 2026 (Sumner 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
Sumner Weather - 2026-09-02 - Morning - Overcast
64°F 18°C
Overcast
Mid-Afternoon
Sumner Weather - 2026-09-02 - Afternoon - Light Rain
66°F 19°C
Light Rain
Early-Evening
Sumner Weather - 2026-09-02 - Evening - Rain
57°F 14°C
Rain
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
Sumner Weather - 2026-09-03 - Morning - Light Showers
50°F 10°C
Light Showers
Mid-Afternoon
Sumner Weather - 2026-09-03 - Afternoon - Scattered Showers
64°F 18°C
Scattered Showers
Early-Evening
Sumner Weather - 2026-09-03 - Evening - Overcast
60°F 16°C
Overcast
Mildly cool near 64°F 18°C, scattered downpours possible, with lower humidity and steady pressure.

Friday, September 4, 2026

Mid-Morning
Sumner Weather - 2026-09-04 - Morning - Partly Cloudy
55°F 13°C
Partly Cloudy
Mid-Afternoon
Sumner Weather - 2026-09-04 - Afternoon - Overcast
64°F 18°C
Overcast
Early-Evening
Sumner Weather - 2026-09-04 - Evening - Scattered Showers
61°F 16°C
Scattered Showers
Comfortable at 64°F 18°C, locally heavy downpours at times, with lower humidity and steady pressure.

Saturday, September 5, 2026

Mid-Morning
Sumner Weather - 2026-09-05 - Morning - Overcast
54°F 12°C
Overcast
Mid-Afternoon
Sumner Weather - 2026-09-05 - Afternoon - Overcast
66°F 19°C
Overcast
Early-Evening
Sumner Weather - 2026-09-05 - Evening - Overcast
59°F 15°C
Overcast
Cool with a high near 66°F 19°C, overcast through the afternoon, turning cloudy this evening, with lower humidity and steady pressure.

Sunday, September 6, 2026

Mid-Morning
Sumner Weather - 2026-09-06 - Morning - Overcast
55°F 13°C
Overcast
Mid-Afternoon
Sumner Weather - 2026-09-06 - Afternoon - Partly Cloudy
70°F 21°C
Partly Cloudy
Early-Evening
Sumner Weather - 2026-09-06 - Evening - Sunny
66°F 19°C
Sunny
Mild with a high of 70°F 21°C, overcast in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure.

Monday, September 7, 2026

Mid-Morning
Sumner Weather - 2026-09-07 - Morning - Sunny
59°F 15°C
Sunny
Mid-Afternoon
Sumner Weather - 2026-09-07 - Afternoon - Sunny
76°F 25°C
Sunny
Early-Evening
Sumner Weather - 2026-09-07 - Evening - Sunny
68°F 20°C
Sunny
Pleasant near 76°F 25°C, sunny throughout the day, with lower humidity and steady pressure.

Tuesday, September 8, 2026

Mid-Morning
Sumner Weather - 2026-09-08 - Morning - Sunny
58°F 15°C
Sunny
Mid-Afternoon
Sumner Weather - 2026-09-08 - Afternoon - Sunny
76°F 24°C
Sunny
Early-Evening
Sumner Weather - 2026-09-08 - Evening - Sunny
67°F 20°C
Sunny
Comfortable with temperatures reaching 76°F 24°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds turning from the WSW to the W at 5 mph 8 km/h.

Wednesday, September 9, 2026

Mid-Morning
Sumner Weather - 2026-09-09 - Morning - Sunny
62°F 17°C
Sunny
Mid-Afternoon
Sumner Weather - 2026-09-09 - Afternoon - Sunny
83°F 28°C
Sunny
Early-Evening
Sumner Weather - 2026-09-09 - Evening - Sunny
72°F 23°C
Sunny
Quite warm around 83°F 28°C, sunny throughout the day, with lower humidity and barometric pressure falling.

Thursday, September 10, 2026

Mid-Morning
Sumner Weather - 2026-09-10 - Morning - Overcast
61°F 16°C
Overcast
Mid-Afternoon
Sumner Weather - 2026-09-10 - Afternoon - Overcast
70°F 21°C
Overcast
Early-Evening
Sumner Weather - 2026-09-10 - Evening - Scattered Showers
62°F 17°C
Scattered Showers
Mild temperatures up to 70°F 21°C, locally heavy downpours at times, with increasing humidity and steady pressure. Winds blowing from the SW at 12 mph 19 km/h. Gusts up to 22 mph 36 km/h.

Friday, September 11, 2026

Mid-Morning
Sumner Weather - 2026-09-11 - Morning - Scattered Showers
55°F 13°C
Scattered Showers
Mid-Afternoon
Sumner Weather - 2026-09-11 - Afternoon - Light Showers
61°F 16°C
Light Showers
Early-Evening
Sumner Weather - 2026-09-11 - Evening - Scattered Showers
57°F 14°C
Scattered Showers
Mildly cool near 61°F 16°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure.

Saturday, September 12, 2026

Mid-Morning
Sumner Weather - 2026-09-12 - Morning - Scattered Showers
53°F 11°C
Scattered Showers
Mid-Afternoon
Sumner Weather - 2026-09-12 - Afternoon - Scattered Showers
61°F 16°C
Scattered Showers
Early-Evening
Sumner Weather - 2026-09-12 - Evening - Cloudy
59°F 15°C
Cloudy
Comfortable at 61°F 16°C, scattered downpours possible, with lower humidity and steady pressure.

Sunday, September 13, 2026

Mid-Morning
Sumner Weather - 2026-09-13 - Morning - Sunny
53°F 12°C
Sunny
Mid-Afternoon
Sumner Weather - 2026-09-13 - Afternoon - Sunny
68°F 20°C
Sunny
Early-Evening
Sumner Weather - 2026-09-13 - Evening - Sunny
63°F 17°C
Sunny
Comfortable with temperatures reaching 68°F 20°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure.

Monday, September 14, 2026

Mid-Morning
Sumner Weather - 2026-09-14 - Morning - Sunny
56°F 13°C
Sunny
Mid-Afternoon
Sumner Weather - 2026-09-14 - Afternoon - Partly Cloudy
74°F 24°C
Partly Cloudy
Early-Evening
Sumner Weather - 2026-09-14 - Evening - Sunny
67°F 19°C
Sunny
Enjoyable around 74°F 24°C, partly cloudy throughout the day, with lower humidity and steady pressure.

Tuesday, September 15, 2026

Mid-Morning
Sumner Weather - 2026-09-15 - Morning - Sunny
62°F 16°C
Sunny
Mid-Afternoon
Sumner Weather - 2026-09-15 - Afternoon - Sunny
82°F 28°C
Sunny
Early-Evening
Sumner Weather - 2026-09-15 - Evening - Sunny
72°F 22°C
Sunny
Warm temperatures up to 82°F 28°C, sunny throughout the day, with lower humidity and steady pressure.

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