Weather forecast for 10 daysSumner, MI
Weather forecast for the weekend
Sunday Oct 18, 2026
- 63°F
- 37°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 16mphSW 222°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:57 am EDT
- Sunset: 6:51 pm EDT
- details ▼
Tomorrow, in Sumner, sun-filled conditions are expected to persist.
The temperature is predicted to vary between a maximum of an enjoyable 62.6°F and a minimum of an icy 37.4°F.
Tomorrow's high temperature is expected to be a couple of degrees higher than the typical October peak of 58.1°F.
Sunrise will be at 7:57 am and sunset at 6:51 pm; tomorrow's daylight will last for 10h and 55min.
The temperature is predicted to vary between a maximum of an enjoyable 62.6°F and a minimum of an icy 37.4°F.
Tomorrow's high temperature is expected to be a couple of degrees higher than the typical October peak of 58.1°F.
Sunrise will be at 7:57 am and sunset at 6:51 pm; tomorrow's daylight will last for 10h and 55min.
10-day overview
Daily temperatures
Maximum temperature: 68°C.
Coldest day: tomorrow 63°C.
Coldest day: tomorrow 63°C.
Chance of precipitation
Highest chance: Friday 20%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 39°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 13mphSW 226°
- Humidity: 74%
- UV index: 0
- Sunrise: 7:55 am EDT
- Sunset: 6:53 pm EDT
- details ▼
- Sunday
- Oct 18, 2026
- 63°F
- 37°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 16mphSW 222°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:57 am EDT
- Sunset: 6:51 pm EDT
- details ▼
- Monday
- Oct 19, 2026
- 68°F
- 37°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 7mphSW 236°
- Humidity: 63%
- UV index: 3
- Sunrise: 7:58 am EDT
- Sunset: 6:50 pm EDT
- details ▼
- Tuesday
- Oct 20, 2026
- 66°F
- 36°F
Partly Cloudy
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 4mphENE 71°
- Humidity: 71%
- UV index: 3
- Sunrise: 7:59 am EDT
- Sunset: 6:48 pm EDT
- details ▼
- Wednesday
- Oct 21, 2026
- 68°F
- 36°F
Sunny
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 4mphSSW 195°
- Humidity: 68%
- UV index: 3
- Sunrise: 8:00 am EDT
- Sunset: 6:46 pm EDT
- details ▼
- Thursday
- Oct 22, 2026
- 68°F
- 37°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 5mphNNE 18°
- Humidity: 67%
- UV index: 3
- Sunrise: 8:02 am EDT
- Sunset: 6:45 pm EDT
- details ▼
- Friday
- Oct 23, 2026
- 66°F
- 37°F
Partly Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 6mphENE 77°
- Humidity: 72%
- UV index: 3
- Sunrise: 8:03 am EDT
- Sunset: 6:43 pm EDT
- details ▼
- Saturday
- Oct 24, 2026
- 66°F
- 39°F
Mostly Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 7mphSE 129°
- Humidity: 66%
- UV index: 3
- Sunrise: 8:04 am EDT
- Sunset: 6:42 pm EDT
- details ▼
- Sunday
- Oct 25, 2026
- 68°F
- 43°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 8mphSSW 199°
- Humidity: 65%
- UV index: 3
- Sunrise: 8:05 am EDT
- Sunset: 6:40 pm EDT
- details ▼
- Monday
- Oct 26, 2026
- 66°F
- 37°F
Partly Cloudy
- Precip. probability: 16%
- Precipitation: 0"
- Wind: 7mphNW 321°
- Humidity: 65%
- UV index: 3
- Sunrise: 8:07 am EDT
- Sunset: 6:39 pm EDT
- details ▼
A combination of cloudy and bright weather is expected.
Rain is not forecasted in Sumner in the upcoming period.
The temperature shift across days will be subtle over the next several days. Expected highs will hover between 62.6°F and 68°F, while the minimum temperature is forecast to range between 35.6°F and 42.8°F.
Monday, Wednesday, Thursday and next Sunday, with the highest temperature of 68°F, will be the warmest days in Sumner; expect the coldest day on Sunday with a high of 62.6°F.
Rain is not forecasted in Sumner in the upcoming period.
The temperature shift across days will be subtle over the next several days. Expected highs will hover between 62.6°F and 68°F, while the minimum temperature is forecast to range between 35.6°F and 42.8°F.
Monday, Wednesday, Thursday and next Sunday, with the highest temperature of 68°F, will be the warmest days in Sumner; expect the coldest day on Sunday with a high of 62.6°F.
Updated: Oct 17, 2026 @ 21:24:37 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, clear and sunny conditions are expected.
Tomorrow, the highest temperature will be 62.6°F, while the lowest temperature will be 37.4°F.
Tomorrow, the highest temperature will be slightly warmer than the average maximum temperature in October. The lowest temperature tomorrow will be also moderately lower than the average low temperature.
Tomorrow, the highest temperature will be slightly warmer than the average maximum temperature in October. The lowest temperature tomorrow will be also moderately lower than the average low temperature.
On Sunday, in Sumner, sunrise will be at 7:57 am and sunset at 6:51 pm (EDT).
In Sumner, the length of the day tomorrow will be 10h and 55min.
