Weather forecast for tomorrowSumner, IL

Weather forecast for tomorrow

Sunday Oct 25, 2026

  • 77°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 4mphSSE 153°
  • Humidity: 55%
  • UV index: 4
  • Sunrise: 7:11 am CDT
  • Sunset: 5:59 pm CDT
  • ▼
On Sunday, in Sumner, expect a partly sunny afternoon with variable cloud cover.
Temperature readings are anticipated to span from a high of a temperate 77°F to a low of a chilly 48.2°F.
Tomorrow, the expected temperature appears higher and closer to September's norm of 78.3°F.
Sunrise will be at 7:11 am and sunset at 5:59 pm; tomorrow's daylight will last for 10h and 49min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 77°C.
Coldest hour: 6 am 45°C.

Chance of precipitation

Highest chance: 6 am 7%.

Hourly weather forecast

  • 12 am
  • 52°F
  • Feels like:
    52°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphESE 104°
  • Humidity: 88%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 48°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphESE 107°
  • Humidity: 93%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 46°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 2mphESE 116°
  • Humidity: 98%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 45°F
  • Feels like:
    45°F
Mostly Clear
Mostly Clear
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 2mphESE 110°
  • Humidity: 97%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:11 am
  • 8 am
  • 48°F
  • Feels like:
    48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 1mphESE 121°
  • Humidity: 95%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 61°F
  • Feels like:
    61°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphSSE 153°
  • Humidity: 66%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 72°F
  • Feels like:
    72°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphSSE 161°
  • Humidity: 44%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 75°F
  • Feels like:
    75°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphS 176°
  • Humidity: 36%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 75°F
  • Feels like:
    75°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphSSE 168°
  • Humidity: 34%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
Sunset: 5:59 pm
  • 6 pm
  • 70°F
  • Feels like:
    70°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphSE 146°
  • Humidity: 45%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 61°F
  • Feels like:
    61°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphSE 131°
  • Humidity: 70%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 57°F
  • Feels like:
    57°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 0mphSSE 150°
  • Humidity: 79%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Sunday, primarily cloudy and occasionally clear weather is anticipated.
The temperature will vary between a minimum of 44.6°F and a maximum of 77°F. The warmest part of the day will be around 3 pm.
Tomorrow, temperatures will be more resembling the climate of September than the usual maximum in October. Tomorrow, the temperature will drop to a level similar to October's average minimum of 49.3°F.
Updated: Oct 25, 2026 @ 00:40:54 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, in Sumner, a pleasant mix of sun and clouds will define the day.

Tomorrow, the highest temperature will be 77°F, while the lowest temperature will be 48.2°F.
The maximum temperature tomorrow will be significantly higher than the average highest temperature of 66°F in October. The lowest temperature will be in line with the average low of 49.3°F.

On Sunday, in Sumner, sunrise will be at 7:11 am and sunset at 5:59 pm (CDT).

Tomorrow, the daylight will last for 10h and 49min.