Weather forecast for tomorrowPontoon Beach, IL
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 66°F
- 39°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 8mphSSE 161°
- Humidity: 51%
- UV index: 5
- Sunrise: 7:12 am CDT
- Sunset: 6:17 pm CDT
- details ▼
On Sunday, in Pontoon Beach, sunshine is also forecasted under mostly clear skies.
Significant temperature fluctuations from a high of a comfortable 66.2°F to a low of an icy 39.2°F are expected.
The maximum temperature will align with October's usual high of 66.2°F.
Sunrise will be at 7:12 am and sunset at 6:17 pm; tomorrow's daylight will last for 11h and 5min.
Significant temperature fluctuations from a high of a comfortable 66.2°F to a low of an icy 39.2°F are expected.
The maximum temperature will align with October's usual high of 66.2°F.
Sunrise will be at 7:12 am and sunset at 6:17 pm; tomorrow's daylight will last for 11h and 5min.
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 5%.
Hourly weather forecast
- 12 am
- 43°F
- Feels like:43°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphSE 131°
- Humidity: 81%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 41°F
- Feels like:41°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 2mphSE 146°
- Humidity: 84%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 39°F
- Feels like:39°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 2mphSSE 150°
- Humidity: 87%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 39°F
- Feels like:39°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 2mphSSE 152°
- Humidity: 89%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:12 am
- 8 am
- 41°F
- Feels like:41°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 3mphSSE 150°
- Humidity: 86%
- 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: 6mphSSE 164°
- Humidity: 57%
- 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: 7mphS 169°
- Humidity: 42%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphS 169°
- Humidity: 36%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphSSE 161°
- Humidity: 34%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 61°F
- Feels like:61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphSE 145°
- Humidity: 41%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:17 pm
- 8 pm
- 54°F
- Feels like:52°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSE 139°
- Humidity: 62%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 48°F
- Feels like:48°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphSSE 147°
- Humidity: 75%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, mainly sunny weather and a cloudless sky are 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.
Tomorrow, the temperature is forecasted to be resembling the usual maximum for October. Tomorrow, expect the temperature to be more in line with the typical minimum for November than for October.
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.
Tomorrow, the temperature is forecasted to be resembling the usual maximum for October. Tomorrow, expect the temperature to be more in line with the typical minimum for November than for October.
Updated: Oct 17, 2026 @ 20:50:20 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
On Sunday, clear and sunny conditions are expected.
Tomorrow, the highest temperature in Pontoon Beach will be 66.2°F, while the lowest temperature will be 39.2°F.
Tomorrow, the maximum temperature will be in line with the average highest temperature in October. The lowest temperature will be significantly lower than the average low of 49.3°F.
Tomorrow, the maximum temperature will be in line with the average highest temperature in October. The lowest temperature will be significantly lower than the average low of 49.3°F.
On Sunday, in Pontoon Beach, sunrise will be at 7:12 am and sunset at 6:17 pm (CDT).
Tomorrow, the daylight will last for 11h and 5min.
