Weather forecast for 10 daysFairmount, IL

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 64°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 10mphS 182°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:05 am CDT
  • Sunset: 6:07 pm CDT
  • ▼
Tomorrow, in Fairmount, sunny skies and pleasant visibility are expected.
Temperature changes will be considerable, from a high of a comfortable 64.4°F to a low of a wintry 35.6°F.
The anticipated daytime maximum should align with the typical October high of 63.1°F.
Sunrise will be at 7:05 am and sunset at 6:07 pm; tomorrow's daylight will last for 11h and 2min.

10-day overview

Daily temperatures

Warmest day: Sunday 25.10. 77°C.
Coldest day: tomorrow 64°C.

Chance of precipitation

Highest chance: 6%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • min.
  • 36°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 4mphSSE 160°
  • Humidity: 81%
  • UV index: 0
  • Sunrise: 7:04 am CDT
  • Sunset: 6:09 pm CDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 64°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 10mphS 182°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:05 am CDT
  • Sunset: 6:07 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 70°F
  • 37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 2mphSSE 152°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:06 am CDT
  • Sunset: 6:06 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 73°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphENE 74°
  • Humidity: 47%
  • UV index: 4
  • Sunrise: 7:07 am CDT
  • Sunset: 6:04 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 75°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 2mphSSE 150°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:08 am CDT
  • Sunset: 6:03 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 75°F
  • 43°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphENE 67°
  • Humidity: 49%
  • UV index: 4
  • Sunrise: 7:09 am CDT
  • Sunset: 6:01 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 75°F
  • 45°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 6mphESE 107°
  • Humidity: 50%
  • UV index: 4
  • Sunrise: 7:10 am CDT
  • Sunset: 6:00 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 75°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 6mphSE 136°
  • Humidity: 50%
  • UV index: 4
  • Sunrise: 7:11 am CDT
  • Sunset: 5:59 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 77°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 6mphS 189°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:12 am CDT
  • Sunset: 5:57 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 75°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 6mphS 188°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:14 am CDT
  • Sunset: 5:56 pm CDT
  • ▼
Weather models show that a combination of dry and sunny and cloud-filled weather is anticipated.
Rain is not forecasted in Fairmount in the upcoming period.
Significant changes in temperature are expected in the coming days. The maximum temperature will vary between 64.4°F and 77°F, while the lowest night temperatures will vary also significantly, as nighttime lows are forecast to fall between 35.6°F and 48.2°F.
With the highest temperature of 77°F, next Sunday will be the warmest day; the coldest day will be Sunday, with a maximum of 64.4°F.
Updated: Oct 18, 2026 @ 01:53:19 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, in Fairmount, sunshine and minimal clouds are in the outlook.

Tomorrow, the highest temperature will be 64.4°F, while the lowest temperature will be 35.6°F.
Tomorrow, the maximum temperature will be in line with the average highest temperature in October. The lowest temperature tomorrow will be noticeably lower than the average low of 47.1°F.

On Sunday, in Fairmount, sunrise will be at 7:05 am and sunset at 6:07 pm (CDT).

In Fairmount, the length of the day tomorrow will be 11h and 2min.