Weather forecast for 10 daysThayer, IL

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 59°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphSSW 195°
  • Humidity: 45%
  • UV index: 5
  • Sunrise: 7:11 am CDT
  • Sunset: 6:17 pm CDT
  • ▼
Today, bright and sunny weather is expected.
The highest predicted temperature is a mild 59°F, while the lowest temperature will be a wintry 37.4°F.
The highest temperature for today is expected to be moderately lower than the average October temperature of 64.4°F.
Sunrise was at 7:11 am and sunset will be at 6:17 pm; the daylight will last for 11h and 6min.

Sunday Oct 18, 2026

  • 66°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 11mphS 177°
  • Humidity: 45%
  • UV index: 4
  • Sunrise: 7:12 am CDT
  • Sunset: 6:15 pm CDT
  • ▼
Tomorrow, bright and sunny weather is also expected.
Temperatures will show considerable variation, extending from a high of a breezy 66.2°F to a low of a cold 37.4°F.
The anticipated maximum temperature will closely reflect October's average high of 64.4°F.
Sunrise will be at 7:12 am and sunset at 6:15 pm; tomorrow's daylight will last for 11h and 4min.

10-day overview

Daily temperatures

Warmest period: Thursday - Sunday 79°C.
Coldest day: today 59°C.

Chance of precipitation

Highest chance: Monday 26.10. 9%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 59°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphSSW 195°
  • Humidity: 45%
  • UV index: 5
  • Sunrise: 7:11 am CDT
  • Sunset: 6:17 pm CDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 66°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 11mphS 177°
  • Humidity: 45%
  • UV index: 4
  • Sunrise: 7:12 am CDT
  • Sunset: 6:15 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 72°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphS 169°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:13 am CDT
  • Sunset: 6:14 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 73°F
  • 43°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphSE 137°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:14 am CDT
  • Sunset: 6:13 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 75°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 4mphS 189°
  • Humidity: 47%
  • UV index: 4
  • Sunrise: 7:15 am CDT
  • Sunset: 6:11 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 79°F
  • 45°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 4mphSSE 155°
  • Humidity: 47%
  • UV index: 4
  • Sunrise: 7:16 am CDT
  • Sunset: 6:10 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 79°F
  • 46°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 7mphSE 129°
  • Humidity: 46%
  • UV index: 4
  • Sunrise: 7:17 am CDT
  • Sunset: 6:08 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 79°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 7mphSSE 149°
  • Humidity: 47%
  • UV index: 4
  • Sunrise: 7:18 am CDT
  • Sunset: 6:07 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 79°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 6mphSSW 204°
  • Humidity: 49%
  • UV index: 4
  • Sunrise: 7:19 am CDT
  • Sunset: 6:06 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 77°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 6mphS 182°
  • Humidity: 54%
  • UV index: 4
  • Sunrise: 7:21 am CDT
  • Sunset: 6:04 pm CDT
  • ▼
Across the following ten days, a combination of clear and dull weather is predicted.
Rainfall is not expected in Thayer in the upcoming period.
Noticeable swings in temperature are expected throughout the forecast window. Maximum temperatures are forecasted between 59°F and 78.8°F, while the lowest night temperatures will vary also significantly, as temperatures overnight will fluctuate from 37.4°F up to 51.8°F.
Thursday through next Sunday, with the highest temperature of 78.8°F, will be the warmest days in Thayer, Illinois; today is the coldest day, with a maximum temperature of 59°F.
Updated: Oct 17, 2026 @ 17:08:59 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Saturday, sunny conditions are expected to continue.

Today, the highest temperature will be 59°F, while the lowest temperature will be 37.4°F.
Today, the highest temperature will be slightly cooler than the average maximum temperature in October. The lowest temperature today will be significantly lower than the average low of 48.2°F.

On Saturday, in Thayer, sunrise was at 7:11 am and sunset will be at 6:17 pm (CDT).

Today, the daylight will last for 11h and 6min.

Tomorrow, the outlook remains bright and sunny.

Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 37.4°F.
The maximum temperature will be in line with the average highest temperature of 64.4°F in October. The lowest temperature tomorrow will be uncommonly lower than the average low of 48.2°F.

On Sunday, in Thayer, sunrise will be at 7:12 am and sunset at 6:15 pm (CDT).

In Thayer, the length of the day tomorrow will be 11h and 4min.