Weather forecast for tomorrowCentralia, IL

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 68°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 8mphSSE 153°
  • Humidity: 48%
  • UV index: 5
  • Sunrise: 7:08 am CDT
  • Sunset: 6:14 pm CDT
  • ▼
Tomorrow, in Centralia, the weather remains calm, bright, and sunny.
Temperature changes will be remarkable, ranging from a high of a delightful 68°F to a low of a cold 39.2°F.
The highest temperature tomorrow will align with the usual October peak of 66.2°F.
Sunrise will be at 7:08 am and sunset at 6:14 pm; tomorrow's daylight will last for 11h and 5min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 72°C.
Coldest hour: 6 am 39°C.

Chance of precipitation

Highest chance: 6 am 5%.

Hourly weather forecast

  • 12 am
  • 46°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphSSE 152°
  • Humidity: 79%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 43°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 1mphSSE 156°
  • Humidity: 85%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 41°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 1mphSSE 146°
  • Humidity: 90%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 39°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 0mphESE 124°
  • Humidity: 91%
  • Pressure: 30.39"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
Sunrise: 7:08 am
  • 8 am
  • 45°F
  • Feels like:
    45°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 1mphSE 129°
  • Humidity: 86%
  • Pressure: 30.42"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 10 am
  • 59°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphS 174°
  • Humidity: 53%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphSW 216°
  • Humidity: 37%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 72°F
  • Feels like:
    72°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphS 180°
  • Humidity: 30%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 72°F
  • Feels like:
    72°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphS 170°
  • Humidity: 29%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 66°F
  • Feels like:
    66°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphSSE 148°
  • Humidity: 39%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:14 pm
  • 8 pm
  • 55°F
  • Feels like:
    55°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 0mphESE 113°
  • Humidity: 65%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 52°F
  • Feels like:
    52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphE 94°
  • Humidity: 75%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, primarily sun-filled and occasionally cloudy weather is predicted.
The temperature will vary between the lowest temperature of 39.2°F and the highest temperature of 71.6°F. The warmest part of the day will be from 2 pm to 4 pm.
The maximum temperature tomorrow will be similar to October's average high. The lowest temperature tomorrow is more resembling November's average minimum of 37.9°F than the average low in October of 49.1°F.
Updated: Oct 18, 2026 @ 04:39:02 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, sun-filled conditions are expected to persist.

Tomorrow, the maximum temperature will be 68°F, while the minimum temperature will be 39.2°F.
Tomorrow, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature will be significantly lower than the average low of 49.1°F.

On Sunday, in Centralia, sunrise will be at 7:08 am and sunset at 6:14 pm (CDT).

In Centralia, tomorrow, there will be 11h and 5min of daylight.