Weather forecast for 10 daysThayer, IL

Weather forecast for the weekend

Saturday Oct 31, 2026

  • 70°F
  • 57°F
Cloudy
Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 8mphESE 114°
  • Humidity: 47%
  • UV index: 1
  • Sunrise: 7:26 am CDT
  • Sunset: 5:58 pm CDT
  • ▼
Tomorrow, cloudy weather is anticipated.
The highest forecasted temperature is a pleasant 69.8°F, while the lowest temperature will be a mild 57.2°F.
Tomorrow, the expected high temperature will be relatively higher than the average October peak of 64.4°F.
Sunrise will be at 7:26 am and sunset at 5:58 pm; tomorrow's daylight will last for 10h and 32min.

Sunday Nov 1, 2026

  • 64°F
  • 55°F
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 11mphSE 139°
  • Humidity: 75%
  • UV index: 2
  • Sunrise: 6:27 am CST
  • Sunset: 4:57 pm CST
  • ▼
On Sunday, in Thayer, low clouds will cover the sky.
A slight fluctuation in temperature is forecasted, achieving a maximum of a breezy 64.4°F and dipping to a minimum of a refreshing 55.4°F.
On Sunday, the predicted peak temperature is expected to mirror October's average high of 64.4°F.
Sunrise will be at 6:27 am and sunset at 4:57 pm; the daylight will last for 10h and 30min.

10-day overview

Daily temperatures

Maximum temperature: 72°C.
Coldest period: Friday - Sunday 57°C.

Chance of precipitation

Highest chance: Tuesday 60%.

Long-term weather forecast

  • Friday
  • Oct 30, 2026
  • 72°F
  • 55°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 12mphE 98°
  • Humidity: 47%
  • UV index: 2
  • Sunrise: 7:25 am CDT
  • Sunset: 5:59 pm CDT
  • ▼
  • Saturday
  • Oct 31, 2026
  • 70°F
  • 57°F
Cloudy
Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 8mphESE 114°
  • Humidity: 47%
  • UV index: 1
  • Sunrise: 7:26 am CDT
  • Sunset: 5:58 pm CDT
  • ▼
  • Sunday
  • Nov 1, 2026
  • 64°F
  • 55°F
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 11mphSE 139°
  • Humidity: 75%
  • UV index: 2
  • Sunrise: 6:27 am CST
  • Sunset: 4:57 pm CST
  • ▼
  • Monday
  • Nov 2, 2026
  • 68°F
  • 61°F
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0.08"
  • Wind: 15mphSSE 161°
  • Humidity: 77%
  • UV index: 1
  • Sunrise: 6:28 am CST
  • Sunset: 4:56 pm CST
  • ▼
  • Tuesday
  • Nov 3, 2026
  • 72°F
  • 57°F
Showers
Showers
  • Precip. probability: 60%
  • Precipitation: 0.43"
  • Wind: 17mphS 171°
  • Humidity: 73%
  • UV index: 2
  • Sunrise: 6:29 am CST
  • Sunset: 4:55 pm CST
  • ▼
  • Wednesday
  • Nov 4, 2026
  • 63°F
  • 52°F
Showers
Showers
  • Precip. probability: 52%
  • Precipitation: 0.28"
  • Wind: 10mphSW 231°
  • Humidity: 78%
  • UV index: 2
  • Sunrise: 6:30 am CST
  • Sunset: 4:54 pm CST
  • ▼
  • Thursday
  • Nov 5, 2026
  • 61°F
  • 46°F
AM Showers
AM Showers
  • Precip. probability: 42%
  • Precipitation: 0.08"
  • Wind: 11mphNW 311°
  • Humidity: 81%
  • UV index: 2
  • Sunrise: 6:32 am CST
  • Sunset: 4:53 pm CST
  • ▼
  • Friday
  • Nov 6, 2026
  • 57°F
  • 39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 9mphNNW 340°
  • Humidity: 70%
  • UV index: 3
  • Sunrise: 6:33 am CST
  • Sunset: 4:52 pm CST
  • ▼
  • Saturday
  • Nov 7, 2026
  • 57°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 7mphNNW 332°
  • Humidity: 64%
  • UV index: 3
  • Sunrise: 6:34 am CST
  • Sunset: 4:51 pm CST
  • ▼
  • Sunday
  • Nov 8, 2026
  • 57°F
  • 39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 7mphWNW 292°
  • Humidity: 60%
  • UV index: 3
  • Sunrise: 6:35 am CST
  • Sunset: 4:50 pm CST
  • ▼
Forecasts for the ten-day outlook show that a combination of cloud-filled and rain-soaked weather is forecasted.
Rainfall is predicted for Monday through Thursday.
Temperature variation will be noticeable across the forecast period. The maximum temperature will vary between 57.2°F and 71.6°F, while the fluctuation in night temperatures will be also significant, as nighttime lows are forecast to fall between 37.4°F and 60.8°F.
With a maximum temperature of 71.6°F, Friday and Tuesday will be the warmest days in Thayer, Illinois; the coldest days will be next Friday through next Sunday, with a maximum of 57.2°F.
Updated: Oct 30, 2026 @ 16:34:24 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

In Thayer, a combination of overcast and wet weather is anticipated for the next ten days.

Rainfall is expected on Monday through Thursday in Thayer. With moderate precipitation of 0.43", Tuesday will be the day with the most rainfall.

The maximum temperature will vary between 57.2°F and 71.6°F, as the minimum temperature will range between 37.4°F and 60.8°F.

The warmest days will be Friday and Tuesday, with a maximum of 71.6°F. With a maximum temperature of 57.2°F, next Friday through next Sunday will be the coldest days.

On Saturday, in Thayer, the day will be cloud-filled.

Tomorrow, the maximum temperature will be 69.8°F, while the minimum temperature will be 57.2°F.
Tomorrow, the highest temperature will be a few degrees higher than the average maximum temperature in October. Tomorrow, the lowest temperature will be also a couple of degrees higher than the average low temperature.

On Saturday, in Thayer, sunrise will be at 7:26 am and sunset at 5:58 pm (CDT).

Tomorrow, the daylight will last for 10h and 32min.

On Sunday, overcast skies are expected.

On Sunday, the highest temperature will be 64.4°F, while the lowest temperature will be 55.4°F.