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
- min.
- 39°F
Mostly Clear
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 3mphNE 47°
- Humidity: 88%
- UV index: 0
- Sunrise: 7:34 am PDT
- Sunset: 6:12 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 68°F
- 41°F
Partly Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 1mphNW 312°
- Humidity: 74%
- 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 287°
- Humidity: 81%
- UV index: 3
- 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 344°
- 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: 74%
- 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: 2mphN 351°
- 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 344°
- Humidity: 75%
- UV index: 2
- Sunrise: 7:43 am PDT
- Sunset: 6:02 pm PDT
- details ▼
- Tuesday
- Oct 27, 2026
- 61°F
- 43°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 2mphW 268°
- 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 18°
- 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 2°
- Humidity: 80%
- UV index: 2
- Sunrise: 7:48 am PDT
- Sunset: 5:57 pm PDT
- details ▼
It is expected that primarily cloudy and occasionally showery weather is anticipated.
Rainfall is predicted for Saturday and Sunday.
In the upcoming period, the highest temperature will range between 57.2°F and 68°F, while the nighttime low will be mostly stable, as night temperatures will lie between 39.2°F and 44.6°F.
The warmest day will be Wednesday, with a maximum of 68°F; expect the coldest day on Saturday with a high of 57.2°F.
Rainfall is predicted for Saturday and Sunday.
In the upcoming period, the highest temperature will range between 57.2°F and 68°F, while the nighttime low will be mostly stable, as night temperatures will lie between 39.2°F and 44.6°F.
The warmest day will be Wednesday, with a maximum of 68°F; expect the coldest day on Saturday with a high of 57.2°F.
Updated: Oct 20, 2026 @ 23:35:48 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
In Sumner, predominantly cloudy and occasionally showery weather is expected for the next ten days.
Rainfall is predicted for 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 vary 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, in Sumner, expect occasional showers throughout the day, with the rain easing off in the afternoon.
Light precipitation of 0.35" is forecasted on Saturday. The chance 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, scattered morning showers will bring brief periods of rain.
On Sunday, there is a low probability of minimal rainfall in Sumner.
On Sunday, the highest temperature will be 60.8°F, while the lowest temperature will be 44.6°F.
