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: 2mphE 84°
- Humidity: 95%
- UV index: 0
- Sunrise: 7:34 am PDT
- Sunset: 6:12 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 68°F
- 43°F
Partly Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 1mphNW 309°
- 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 286°
- Humidity: 82%
- 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: 2mphN 350°
- 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 355°
- 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 336°
- Humidity: 74%
- 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 341°
- Humidity: 74%
- 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 271°
- 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 17°
- 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 5°
- Humidity: 79%
- UV index: 2
- Sunrise: 7:48 am PDT
- Sunset: 5:57 pm PDT
- details ▼
Throughout the next ten days, primarily dull and occasionally rain-filled weather is expected.
Rainfall is anticipated on Saturday and Sunday.
In the coming days, the highest temperature will range between 57.2°F and 68°F, while the overnight low will be nearly unchanged, as the overnight low will fall between 39.2°F and 44.6°F.
Expect the warmest day on Wednesday, with temperatures peaking at 68°F; Saturday will be the coldest day, with the highest temperature of 57.2°F.
Rainfall is anticipated on Saturday and Sunday.
In the coming days, the highest temperature will range between 57.2°F and 68°F, while the overnight low will be nearly unchanged, as the overnight low will fall between 39.2°F and 44.6°F.
Expect the warmest day on Wednesday, with temperatures peaking at 68°F; Saturday will be the coldest day, with the highest temperature of 57.2°F.
Updated: Oct 21, 2026 @ 01:08:53 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 gloomy and occasionally rain-filled weather is predicted for the next ten days.
Rainfall is forecasted 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. The coldest day will be Saturday, with a maximum of 57.2°F.
On Saturday, expect occasional showers throughout the day, with the rain easing off in the afternoon.
With a probability of 47%, light precipitation of 0.35" is forecasted on Saturday.
On Saturday, the maximum temperature will be 57.2°F, while the minimum temperature will be 42.8°F.
On Sunday, rain showers will likely move through during the early hours.
On Sunday, there is a low chance of minimal precipitation in Sumner.
On Sunday, the highest temperature will be 60.8°F, while the lowest temperature will be 44.6°F.





