Weather forecast for 10 daysMaryville, IL

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 66°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 9mphSSE 161°
  • Humidity: 62%
  • UV index: 5
  • Sunrise: 7:12 am CDT
  • Sunset: 6:17 pm CDT
  • ▼
On Sunday, October 18, the outlook remains bright and sunny.
Substantial temperature fluctuations from a high of a breezy 66.2°F to a low of an icy 37.4°F are anticipated.
The highest temperature is expected to follow the average for October, around 66°F.
Sunrise will be at 7:12 am and sunset at 6:17 pm; the daylight will last for 11h and 5min.

10-day overview

Daily temperatures

Warmest day: Sunday 25.10. 81°C.
Coldest day: today 66°C.

Chance of precipitation

Highest chance: Tuesday 13%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 66°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 9mphSSE 161°
  • Humidity: 62%
  • UV index: 5
  • Sunrise: 7:12 am CDT
  • Sunset: 6:17 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 72°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphSSE 164°
  • Humidity: 55%
  • UV index: 5
  • Sunrise: 7:13 am CDT
  • Sunset: 6:16 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 73°F
  • 43°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 13%
  • Precipitation: 0"
  • Wind: 3mphE 100°
  • Humidity: 53%
  • UV index: 4
  • Sunrise: 7:14 am CDT
  • Sunset: 6:14 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 75°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 2mphWNW 295°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:15 am CDT
  • Sunset: 6:13 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 77°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphNNE 24°
  • Humidity: 53%
  • UV index: 4
  • Sunrise: 7:16 am CDT
  • Sunset: 6:12 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 77°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 7mphESE 120°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:17 am CDT
  • Sunset: 6:10 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 79°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 7mphSSE 152°
  • Humidity: 49%
  • UV index: 4
  • Sunrise: 7:18 am CDT
  • Sunset: 6:09 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 81°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 6mphSSW 203°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:19 am CDT
  • Sunset: 6:08 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 79°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 5mphSW 215°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:20 am CDT
  • Sunset: 6:06 pm CDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 79°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 6mphSSE 163°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:21 am CDT
  • Sunset: 6:05 pm CDT
  • ▼
Conditions over the next ten days suggest that a combination of bright and dull weather is forecasted.
Rainfall is not expected in Maryville in the upcoming days.
Noticeable swings in temperature are expected throughout the forecast window. Maximum temperatures are forecasted between 66.2°F and 80.6°F, while the variation in nighttime lows will be also notably wide, as temperatures overnight will fluctuate from 37.4°F up to 50°F.
With the highest temperature of 80.6°F, next Sunday will be the warmest day; today is the coldest day, with a maximum temperature of 66.2°F.
Updated: Oct 18, 2026 @ 09:26:47 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, the outlook remains bright and sunny.

Today, the maximum temperature will be 66.2°F, while the minimum temperature will be 37.4°F.
The maximum temperature today will be in line with the average highest temperature in October. The lowest temperature today will be significantly lower than the average low of 48.9°F.

On Sunday, in Maryville, sunrise will be at 7:12 am and sunset at 6:17 pm (CDT).

In Maryville, the length of the day today will be 11h and 5min.