Weather forecast for tomorrowKaskaskia, IL

Weather forecast for tomorrow

Monday Oct 19, 2026

  • 72°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 5mphSSE 147°
  • Humidity: 55%
  • UV index: 5
  • Sunrise: 7:12 am CDT
  • Sunset: 6:16 pm CDT
  • ▼
On Monday, October 19, sunshine will take center stage, with just faint traces of clouds.
A high of a pleasant 71.6°F during the day contrasts markedly with a low of a cold 41°F at night.
The forecasted temperature is a few degrees higher than October's regular maximum of 67.1°F.
Sunrise will be at 7:12 am and sunset at 6:16 pm; tomorrow's daylight will last for 11h and 5min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 72°C.
Coldest hour: 6 am 37°C.

Chance of precipitation

Highest chance: 6 am 8%.

Hourly weather forecast

  • 12 am
  • 45°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 2mphSSE 164°
  • Humidity: 90%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 41°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 0mphSSE 163°
  • Humidity: 95%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 39°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 1mphSSE 153°
  • Humidity: 100%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 37°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 1mphSE 136°
  • Humidity: 100%
  • Pressure: 30.39"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
Sunrise: 7:12 am
  • 8 am
  • 43°F
  • Feels like:
    43°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 0mphESE 104°
  • Humidity: 96%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 55°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphSSE 153°
  • Humidity: 65%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphS 180°
  • Humidity: 42%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 5
  • ▼
  • 2 pm
  • 72°F
  • Feels like:
    72°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSSE 157°
  • Humidity: 36%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 72°F
  • Feels like:
    72°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSSE 148°
  • Humidity: 35%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphSE 126°
  • Humidity: 44%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:16 pm
  • 8 pm
  • 55°F
  • Feels like:
    55°F
Mostly Clear
Mostly Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphSE 127°
  • Humidity: 70%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 52°F
  • Feels like:
    52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 1mphESE 104°
  • Humidity: 81%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, primarily mostly clear and occasionally overcast weather is expected.
The temperature will vary between the lowest temperature of 37.4°F and the highest temperature of 71.6°F. The warmest part of the day will be from 2 pm to 4 pm.
The temperature is expected to be a couple of degrees higher than the average peak in October, which is 67.1°F. The lowest temperature is more alike with November's average minimum of 38.7°F than the usual minimum of 49.1°F in October.
Updated: Oct 18, 2026 @ 10:37:48 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, in Kaskaskia, sunshine will lead the day, with clouds making only brief appearances.

Tomorrow, the maximum temperature in Kaskaskia will be 71.6°F, while the minimum temperature will be 41°F.
The maximum temperature will be slightly warmer than the average highest temperature of 67.1°F in October. The lowest temperature will be also a couple of degrees lower than the average low of 49.1°F.

On Monday, in Kaskaskia, sunrise will be at 7:12 am and sunset at 6:16 pm (CDT).

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