Weather forecast for tomorrowLanark, IL
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 64°F
- 39°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 15mphSSW 202°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:15 am CDT
- Sunset: 6:13 pm CDT
- details ▼
Tomorrow, on Sunday, conditions remain stable and sunny, with little cloud presence.
Temperature span will be from a high of an enjoyable 64.4°F to a low of a wintry 39.2°F.
The day’s top temperature is expected to be a couple of degrees higher than the typical October high of 59.4°F.
Sunrise will be at 7:15 am and sunset at 6:13 pm; tomorrow's daylight will last for 10h and 58min.
Temperature span will be from a high of an enjoyable 64.4°F to a low of a wintry 39.2°F.
The day’s top temperature is expected to be a couple of degrees higher than the typical October high of 59.4°F.
Sunrise will be at 7:15 am and sunset at 6:13 pm; tomorrow's daylight will last for 10h and 58min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 64°C.
Coldest hour: 6 am 39°C.
Coldest hour: 6 am 39°C.
Chance of precipitation
Highest chance: 6 am 3%.
Hourly weather forecast
- 12 am
- 41°F
- Feels like:37°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphSSW 197°
- Humidity: 74%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 41°F
- Feels like:36°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphSSW 203°
- Humidity: 77%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 39°F
- Feels like:34°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 8mphSSW 199°
- Humidity: 79%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 39°F
- Feels like:34°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 8mphSSW 199°
- Humidity: 80%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:15 am
- 8 am
- 41°F
- Feels like:36°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 9mphSSW 199°
- Humidity: 79%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 50°F
- Feels like:46°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 12mphSSW 202°
- Humidity: 62%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 59°F
- Feels like:55°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 14mphSSW 207°
- Humidity: 49%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 63°F
- Feels like:61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 15mphSSW 205°
- Humidity: 43%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 63°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 14mphSSW 199°
- Humidity: 43%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 59°F
- Feels like:57°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphS 186°
- Humidity: 49%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:13 pm
- 8 pm
- 52°F
- Feels like:50°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 8mphS 183°
- Humidity: 64%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 50°F
- Feels like:46°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphS 190°
- Humidity: 70%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, primarily bright and sunny weather is anticipated.
The temperature will vary between a minimum of 39.2°F and a maximum of 64.4°F. The warmest part of the day is anticipated around 3 pm.
Tomorrow, expect temperatures slightly warmer than what is usual for October. Forecasts indicate a night temperature also moderately lower than the usual October minimum of 43.2°F.
The temperature will vary between a minimum of 39.2°F and a maximum of 64.4°F. The warmest part of the day is anticipated around 3 pm.
Tomorrow, expect temperatures slightly warmer than what is usual for October. Forecasts indicate a night temperature also moderately lower than the usual October minimum of 43.2°F.
Updated: Oct 17, 2026 @ 17:08:54 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, sunshine will likely continue with scattered clouds at most.
Tomorrow, the maximum temperature in Lanark will be 64.4°F, while the minimum temperature will be 39.2°F.
The highest temperature tomorrow will be slightly warmer than the average maximum temperature in October. The lowest temperature will be also slightly cooler than the average low of 43.2°F.
The highest temperature tomorrow will be slightly warmer than the average maximum temperature in October. The lowest temperature will be also slightly cooler than the average low of 43.2°F.
On Sunday, in Lanark, sunrise will be at 7:15 am and sunset at 6:13 pm (CDT).
In Lanark, Illinois, the length of the day tomorrow will be 10h and 58min.





