Weather forecast for 10 daysSumner, WA
10-day overview
Daily temperatures
Warmest day: tomorrow 68°C.
Coldest day: Saturday 57°C.
Coldest day: Saturday 57°C.
Chance of precipitation
Highest chance: Saturday 47%.
Long-term weather forecast
- Tuesday
- Oct 20, 2026
- 64°F
- 39°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphN 352°
- Humidity: 59%
- UV index: 3
- Sunrise: 7:34 am PDT
- Sunset: 6:12 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 68°F
- 41°F
Partly Cloudy
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 1mphNW 309°
- Humidity: 73%
- UV index: 3
- Sunrise: 7:36 am PDT
- Sunset: 6:10 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 59°F
- 43°F
Partly Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 2mphWNW 283°
- Humidity: 81%
- UV index: 2
- Sunrise: 7:37 am PDT
- Sunset: 6:08 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 59°F
- 39°F
Partly Cloudy
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 2mphNNW 333°
- Humidity: 75%
- UV index: 2
- Sunrise: 7:39 am PDT
- Sunset: 6:07 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 57°F
- 43°F
Showers
- Precip. probability: 47%
- Precipitation: 0.35"
- Wind: 2mphN 354°
- Humidity: 75%
- UV index: 1
- Sunrise: 7:40 am PDT
- Sunset: 6:05 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 61°F
- 45°F
AM Showers
- Precip. probability: 32%
- Precipitation: 0.04"
- Wind: 2mphNNW 343°
- Humidity: 75%
- UV index: 2
- Sunrise: 7:42 am PDT
- Sunset: 6:03 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 59°F
- 45°F
Partly Cloudy
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 2mphNNW 342°
- Humidity: 75%
- UV index: 2
- Sunrise: 7:43 am PDT
- Sunset: 6:02 pm PDT
- details ▼
- Tuesday
- Oct 27, 2026
- 59°F
- 43°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 2mphW 266°
- Humidity: 78%
- UV index: 2
- Sunrise: 7:45 am PDT
- Sunset: 6:00 pm PDT
- details ▼
- Wednesday
- Oct 28, 2026
- 59°F
- 43°F
Partly Cloudy
- Precip. probability: 23%
- Precipitation: 0"
- Wind: 2mphNNE 15°
- Humidity: 78%
- UV index: 2
- Sunrise: 7:46 am PDT
- Sunset: 5:58 pm PDT
- details ▼
- Thursday
- Oct 29, 2026
- 59°F
- 43°F
Partly Cloudy
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 2mphN 0°
- Humidity: 80%
- UV index: 2
- Sunrise: 7:48 am PDT
- Sunset: 5:57 pm PDT
- details ▼
Over the next ten days, a mix of primarily overcast and occasionally wet and sunny weather is predicted.
Rainfall is expected on Saturday and Sunday.
In the upcoming period, the maximum temperature will vary between 57.2°F and 68°F, while fluctuations in the night’s lowest temperature will be minimal, as the minimum temperature is expected to range between 39.2°F and 44.6°F.
Wednesday is expected to be the warmest, reaching up to 68°F; with the highest temperature of 57.2°F, Saturday will be the coldest day.
Rainfall is expected on Saturday and Sunday.
In the upcoming period, the maximum temperature will vary between 57.2°F and 68°F, while fluctuations in the night’s lowest temperature will be minimal, as the minimum temperature is expected to range between 39.2°F and 44.6°F.
Wednesday is expected to be the warmest, reaching up to 68°F; with the highest temperature of 57.2°F, Saturday will be the coldest day.
Updated: Oct 20, 2026 @ 21:07:04 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
In Sumner, a combination of predominantly overcast and occasionally damp and clear weather is forecasted for the next ten days.
Rainfall is anticipated on Saturday and Sunday in Sumner. Saturday, with light precipitation of 0.35", will be the day with the most rainfall.
The maximum temperature will vary between 57.2°F and 68°F, while the minimum temperature will range between 39.2°F and 44.6°F.
The warmest day will be tomorrow, with a maximum of 68°F. With a maximum temperature of 57.2°F, Saturday will be the coldest day.
On Saturday, expect light showers throughout the day, with a chance of dry weather later.
Light precipitation of 0.35" is predicted on Saturday. The possibility of rainfall is 47%.
On Saturday, the maximum temperature will be 57.2°F, while the minimum temperature will be 42.8°F.
On Sunday, in Sumner, spotty morning showers could bring light rainfall.
On Sunday, there is a low chance of minimal precipitation in Sumner.
On Sunday, the maximum temperature will be 60.8°F, while the minimum temperature will be 44.6°F.





