Weather forecast for tomorrowWilmington, IL

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 66°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 12mphSSW 195°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:08 am CDT
  • Sunset: 6:07 pm CDT
  • ▼
Tomorrow, on Sunday, October 18, sunny conditions are expected to continue.
A considerable disparity in temperature is predicted, reaching up to a maximum of a comfortable 66.2°F and falling to a minimum of a cold 37.4°F.
The forecasted temperature is moderately higher than October's regular maximum of 61.9°F.
Sunrise will be at 7:08 am and sunset at 6:07 pm; tomorrow's daylight will last for 10h and 59min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 64°C.
Coldest period: 3 am - 6 am 39°C.

Chance of precipitation

Highest chance: 6 am 4%.

Hourly weather forecast

  • 12 am
  • 41°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 3mphS 183°
  • Humidity: 85%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 41°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphS 185°
  • Humidity: 83%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 39°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphS 184°
  • Humidity: 84%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 39°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 5mphS 184°
  • Humidity: 83%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:08 am
  • 8 am
  • 41°F
  • Feels like:
    37°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 5mphS 188°
  • Humidity: 77%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 54°F
  • Feels like:
    50°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 10mphSSW 199°
  • Humidity: 52%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 61°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphSSW 202°
  • Humidity: 39%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 63°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphSSW 203°
  • Humidity: 35%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 64°F
  • Feels like:
    64°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 10mphSSW 196°
  • Humidity: 33%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 59°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphS 178°
  • Humidity: 42%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:07 pm
  • 8 pm
  • 52°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphS 175°
  • Humidity: 59%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 48°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphS 178°
  • Humidity: 69%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, sunny conditions are likely to prevail.
The temperature will vary between the lowest temperature of 39.2°F and the highest temperature of 64.4°F. The warmest part of the day will be at 3 pm and 4 pm.
The temperature is expected to be moderately higher than the average peak in October, which is 61.9°F. Forecast models suggest a low more close to November's typical minimum of 34.2°F than October's usual 46°F.
Updated: Oct 18, 2026 @ 03:23:59 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, in Wilmington, sunny conditions are expected to continue.

Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 37.4°F.
Tomorrow, the maximum temperature will be a few degrees higher than the average highest temperature in October. The lowest temperature will be also relatively lower than the average low of 46°F.

On Sunday, in Wilmington, sunrise will be at 7:08 am and sunset at 6:07 pm (CDT).

In Wilmington, the length of the day tomorrow will be 10h and 59min.