Weather forecast for tomorrowArthur, IL
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 10mphS 177°
- Humidity: 46%
- UV index: 4
- Sunrise: 7:07 am CDT
- Sunset: 6:10 pm CDT
- details ▼
On Sunday, October 18, sunny conditions are also expected to continue.
Significant temperature variations are predicted, soaring to a maximum of an enjoyable 66.2°F and descending to a minimum of a wintry 37.4°F.
October's usual high of 63.9°F is forecasted to be matched by the day’s maximum temperature.
Sunrise will be at 7:07 am and sunset at 6:10 pm; tomorrow's daylight will last for 11h and 3min.
Significant temperature variations are predicted, soaring to a maximum of an enjoyable 66.2°F and descending to a minimum of a wintry 37.4°F.
October's usual high of 63.9°F is forecasted to be matched by the day’s maximum temperature.
Sunrise will be at 7:07 am and sunset at 6:10 pm; tomorrow's daylight will last for 11h and 3min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 64°C.
Coldest hour: 6 am 37°C.
Coldest hour: 6 am 37°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: 4mphSSE 151°
- Humidity: 73%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 39°F
- Feels like:36°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 5mphSSE 162°
- Humidity: 74%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 37°F
- Feels like:34°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 5mphSSE 165°
- Humidity: 79%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 37°F
- Feels like:32°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 5mphSSE 169°
- Humidity: 80%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:07 am
- 8 am
- 39°F
- Feels like:36°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphS 172°
- Humidity: 76%
- 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: 9mphS 180°
- Humidity: 51%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 59°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 10mphS 184°
- Humidity: 37%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 64°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphS 182°
- Humidity: 32%
- 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: 9mphS 176°
- Humidity: 31%
- 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: 6mphSSE 164°
- Humidity: 39%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:10 pm
- 8 pm
- 52°F
- Feels like:50°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 5mphSSE 150°
- Humidity: 61%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 48°F
- Feels like:46°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 5mphSSE 155°
- Humidity: 69%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, primarily bright and sunny weather is anticipated.
The temperature will be between the lowest temperature of 37.4°F and the highest temperature of 64.4°F. The warmest part of the day will be from 2 pm to 5 pm.
The temperature tomorrow will be resembling the average high in October. Forecast models suggest a low more close to November's typical minimum of 36.1°F than October's usual 48°F.
The temperature will be between the lowest temperature of 37.4°F and the highest temperature of 64.4°F. The warmest part of the day will be from 2 pm to 5 pm.
The temperature tomorrow will be resembling the average high in October. Forecast models suggest a low more close to November's typical minimum of 36.1°F than October's usual 48°F.
Updated: Oct 17, 2026 @ 17:40:08 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, in Arthur, uninterrupted sunshine is anticipated.
Tomorrow, the highest temperature will be 66.2°F, while the lowest temperature will be 37.4°F.
The highest temperature will be in line with the average maximum of 63.9°F in October. The lowest temperature tomorrow will be significantly lower than the average low of 48°F.
The highest temperature will be in line with the average maximum of 63.9°F in October. The lowest temperature tomorrow will be significantly lower than the average low of 48°F.
On Sunday, in Arthur, sunrise will be at 7:07 am and sunset at 6:10 pm (CDT).
Tomorrow, the daylight will last for 11h and 3min.
