Weather forecast for tomorrowClayton, IL
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 66°F
- 39°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 11mphS 183°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:17 am CDT
- Sunset: 6:20 pm CDT
- details ▼
Tomorrow, on Sunday, October 18, sunshine and minimal clouds are in the outlook.
Temperature changes will be considerable, from a high of an enjoyable 66.2°F to a low of an icy 39.2°F.
Tomorrow's peak is forecasted to reflect the usual October high temperature of 63.9°F.
Sunrise will be at 7:17 am and sunset at 6:20 pm; tomorrow's daylight will last for 11h and 2min.
Temperature changes will be considerable, from a high of an enjoyable 66.2°F to a low of an icy 39.2°F.
Tomorrow's peak is forecasted to reflect the usual October high temperature of 63.9°F.
Sunrise will be at 7:17 am and sunset at 6:20 pm; tomorrow's daylight will last for 11h and 2min.
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: 1%
- Precipitation: 0"
- Wind: 6mphS 171°
- Humidity: 73%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 41°F
- Feels like:37°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphS 179°
- Humidity: 76%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 39°F
- Feels like:36°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 6mphS 178°
- Humidity: 79%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 39°F
- Feels like:34°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 7mphS 176°
- Humidity: 80%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:17 am
- 8 am
- 41°F
- Feels like:37°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 7mphS 177°
- Humidity: 79%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 52°F
- Feels like:48°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphS 187°
- Humidity: 56%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 59°F
- Feels like:57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphS 190°
- Humidity: 46%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 63°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 10mphS 184°
- Humidity: 41%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 64°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphS 180°
- Humidity: 39%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 59°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphSSE 161°
- Humidity: 46%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:20 pm
- 8 pm
- 52°F
- Feels like:50°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphSSE 160°
- Humidity: 60%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 48°F
- Feels like:45°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphSSE 166°
- Humidity: 69%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, sunny conditions are likely to prevail.
The temperature will vary between the lowest temperature of 39.2°F and the highest temperature of 64.4°F. The warmest part of the day will be at 3 pm and 4 pm.
The high temperature is expected to be similar to October's usual value of 63.9°F. The minimum temperature will be more close to November's average low of 35.6°F than October's typical 46.8°F.
The temperature will vary between the lowest temperature of 39.2°F and the highest temperature of 64.4°F. The warmest part of the day will be at 3 pm and 4 pm.
The high temperature is expected to be similar to October's usual value of 63.9°F. The minimum temperature will be more close to November's average low of 35.6°F than October's typical 46.8°F.
Updated: Oct 17, 2026 @ 21:01:25 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, uninterrupted sunshine is anticipated.
Tomorrow, the maximum temperature in Clayton will be 66.2°F, while the minimum temperature will be 39.2°F.
The highest temperature tomorrow will be in line with the average maximum temperature in October. The lowest temperature will be a few degrees lower than the average low of 46.8°F.
The highest temperature tomorrow will be in line with the average maximum temperature in October. The lowest temperature will be a few degrees lower than the average low of 46.8°F.
On Sunday, in Clayton, sunrise will be at 7:17 am and sunset at 6:20 pm (CDT).
In Clayton, the length of the day tomorrow will be 11h and 2min.
