Weather forecast for tomorrowFairmount, IL
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 66°F
- 36°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 10mphS 184°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:05 am CDT
- Sunset: 6:07 pm CDT
- details ▼
On Sunday, in Fairmount, bright and sunny weather is also expected.
Considerable temperature fluctuations from a high of a breezy 66.2°F to a low of an icy 35.6°F are predicted.
Tomorrow, the predicted peak temperature is expected to mirror October's average 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.
Considerable temperature fluctuations from a high of a breezy 66.2°F to a low of an icy 35.6°F are predicted.
Tomorrow, the predicted peak temperature is expected to mirror October's average 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.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 64°C.
Coldest hour: 6 am 36°C.
Coldest hour: 6 am 36°C.
Chance of precipitation
Highest chance: 6 am 4%.
Hourly weather forecast
- 12 am
- 39°F
- Feels like:39°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphSSE 155°
- Humidity: 77%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 37°F
- Feels like:36°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphSSE 161°
- Humidity: 78%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 36°F
- Feels like:34°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphS 171°
- Humidity: 81%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 36°F
- Feels like:32°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphS 171°
- Humidity: 84%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:05 am
- 8 am
- 39°F
- Feels like:36°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphS 176°
- Humidity: 78%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 52°F
- Feels like:50°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphS 188°
- Humidity: 53%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 59°F
- Feels like:57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 10mphSSW 194°
- Humidity: 39%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 63°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphS 187°
- Humidity: 33%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphS 181°
- Humidity: 32%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 59°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphS 170°
- Humidity: 42%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:07 pm
- 8 pm
- 50°F
- Feels like:48°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphSSE 159°
- Humidity: 60%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 46°F
- Feels like:45°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphSSE 164°
- Humidity: 72%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, sunshine is expected.
The temperature will vary between a minimum of 35.6°F and a maximum of 64.4°F. The warmest part of the day will be at 3 pm and 4 pm.
The maximum temperature will be similar to the average high of 63.1°F in October. Tomorrow, expect the temperature to be more resembling the typical minimum for November than for October.
The temperature will vary between a minimum of 35.6°F and a maximum of 64.4°F. The warmest part of the day will be at 3 pm and 4 pm.
The maximum temperature will be similar to the average high of 63.1°F in October. Tomorrow, expect the temperature to be more resembling the typical minimum for November than for October.
Updated: Oct 17, 2026 @ 21:59:36 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Tomorrow, the forecast calls for abundant sunshine.
Tomorrow, the highest temperature will be 66.2°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 will be notably lower than the average low of 47.1°F.
Tomorrow, the maximum temperature will be in line with the average highest temperature in October. The lowest temperature will be notably 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, tomorrow, there will be 11h and 2min of daylight.





