Weather forecast for tomorrowSumner, WA
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 63°F
- 45°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 4mphN 7°
- Humidity: 71%
- UV index: 3
- Sunrise: 7:32 am PDT
- Sunset: 6:15 pm PDT
- details ▼
Tomorrow, in Sumner, high-altitude clouds may scatter across the sky, but the sun will still shine.
The temperature will fluctuate from a high of a comfortable 62.6°F to a low of a chilly 44.6°F.
The temperature is forecasted to be slightly warmer than the standard October peak of 57.4°F.
Sunrise will be at 7:32 am and sunset at 6:15 pm; tomorrow's daylight will last for 10h and 44min.
The temperature will fluctuate from a high of a comfortable 62.6°F to a low of a chilly 44.6°F.
The temperature is forecasted to be slightly warmer than the standard October peak of 57.4°F.
Sunrise will be at 7:32 am and sunset at 6:15 pm; tomorrow's daylight will last for 10h and 44min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 61°C.
Coldest hour: 6 am 43°C.
Coldest hour: 6 am 43°C.
Chance of precipitation
Highest chance: 6 am 8%.
Hourly weather forecast
- 12 am
- 50°F
- Feels like:50°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 2mphNE 40°
- Humidity: 81%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 48°F
- Feels like:48°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 1mphNE 45°
- Humidity: 87%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 46°F
- Feels like:46°F
Clear
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 1mphNE 49°
- Humidity: 92%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 43°F
- Feels like:43°F
Clear
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 1mphNE 46°
- Humidity: 99%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:32 am
- 8 am
- 43°F
- Feels like:43°F
Mostly Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 1mphNE 39°
- Humidity: 100%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 50°F
- Feels like:50°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 2mphN 11°
- Humidity: 80%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 55°F
- Feels like:55°F
Mostly Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphN 356°
- Humidity: 68%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 59°F
- Feels like:59°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphN 354°
- Humidity: 57%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 4 pm
- 61°F
- Feels like:61°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphN 354°
- Humidity: 52%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 57°F
- Feels like:57°F
Mostly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 3mphN 357°
- Humidity: 59%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:15 pm
- 8 pm
- 52°F
- Feels like:52°F
Mostly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 1mphN 8°
- Humidity: 78%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 48°F
- Feels like:48°F
Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 1mphNNE 12°
- Humidity: 86%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, primarily overcast and occasionally sunny weather is expected.
The temperature will be between a minimum of 41°F and a maximum of 60.8°F. The warmest part of the day will be at 3 pm and 4 pm.
Tomorrow, the temperature is expected to be relatively higher than October's normal maximum of 57.4°F. The expected low will be also close to the average minimum in October, which is 42.4°F.
The temperature will be between a minimum of 41°F and a maximum of 60.8°F. The warmest part of the day will be at 3 pm and 4 pm.
Tomorrow, the temperature is expected to be relatively higher than October's normal maximum of 57.4°F. The expected low will be also close to the average minimum in October, which is 42.4°F.
Updated: Oct 17, 2026 @ 18:51:16 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
Tomorrow, in Sumner, some passing clouds may drift through, but the sun will shine at times.
Tomorrow, the highest temperature will be 62.6°F, while the lowest temperature will be 44.6°F.
Tomorrow, the maximum temperature will be moderately higher than the average highest temperature in October. The lowest temperature will be in line with the average low of 42.4°F.
Tomorrow, the maximum temperature will be moderately higher than the average highest temperature in October. The lowest temperature will be in line with the average low of 42.4°F.
On Sunday, in Sumner, sunrise will be at 7:32 am and sunset at 6:15 pm (PDT).
In Sumner, Washington, the length of the day tomorrow will be 10h and 44min.
