Weather forecast for tomorrowWinthrop Harbor, IL
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 63°F
- 43°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 17mphSSW 210°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:08 am CDT
- Sunset: 6:04 pm CDT
- details ▼
On Sunday, October 18, sunshine is also expected with little to no cloud cover.
The maximum anticipated temperature is a comfortable 62.6°F, while the minimum temperature will be a frosty 42.8°F.
Forecasts suggest the maximum temperature will be moderately higher than October's average of 58.3°F.
Sunrise will be at 7:08 am and sunset at 6:04 pm; tomorrow's daylight will last for 10h and 56min.
The maximum anticipated temperature is a comfortable 62.6°F, while the minimum temperature will be a frosty 42.8°F.
Forecasts suggest the maximum temperature will be moderately higher than October's average of 58.3°F.
Sunrise will be at 7:08 am and sunset at 6:04 pm; tomorrow's daylight will last for 10h and 56min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 61°C.
Coldest period: 3 am - 6 am 43°C.
Coldest period: 3 am - 6 am 43°C.
Chance of precipitation
Highest chance: 6 am 2%.
Hourly weather forecast
- 12 am
- 45°F
- Feels like:41°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphSW 218°
- Humidity: 68%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 45°F
- Feels like:39°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 10mphSW 215°
- Humidity: 72%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 43°F
- Feels like:37°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 10mphSW 215°
- Humidity: 76%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 43°F
- Feels like:37°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 11mphSSW 212°
- Humidity: 77%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:08 am
- 8 am
- 45°F
- Feels like:39°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 12mphSSW 213°
- Humidity: 73%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 52°F
- Feels like:48°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 14mphSSW 212°
- Humidity: 58%
- 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: 16mphSSW 213°
- Humidity: 50%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 61°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 17mphSSW 208°
- Humidity: 47%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 61°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 16mphSSW 205°
- Humidity: 45%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 57°F
- Feels like:55°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphSSW 203°
- Humidity: 52%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:04 pm
- 8 pm
- 54°F
- Feels like:50°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 10mphSSW 203°
- Humidity: 61%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 52°F
- Feels like:48°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphSSW 210°
- Humidity: 66%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, clear skies and sunny weather are expected.
The temperature will vary between the lowest temperature of 42.8°F and the highest temperature of 60.8°F. The feels-like temperature will be between the lowest temperature of 35.6°F and the highest temperature of 59°F. The warmest part of the day will be from 1 pm to 5 pm.
Tomorrow, the forecasted high will be relatively higher than October's typical peak temperature. The nighttime low will be also slightly cooler than the typical October minimum temperature of 46.9°F.
The temperature will vary between the lowest temperature of 42.8°F and the highest temperature of 60.8°F. The feels-like temperature will be between the lowest temperature of 35.6°F and the highest temperature of 59°F. The warmest part of the day will be from 1 pm to 5 pm.
Tomorrow, the forecasted high will be relatively higher than October's typical peak temperature. The nighttime low will be also slightly cooler than the typical October minimum temperature of 46.9°F.
Updated: Oct 17, 2026 @ 18:39:39 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, clear skies and sunshine are anticipated.
Tomorrow, the highest temperature will be 62.6°F, while the lowest temperature will be 42.8°F.
Tomorrow, the highest temperature will be a few degrees higher than the average maximum temperature in October. The lowest temperature tomorrow will be also relatively lower than the average low temperature.
Tomorrow, the highest temperature will be a few degrees higher than the average maximum temperature in October. The lowest temperature tomorrow will be also relatively lower than the average low temperature.
On Sunday, in Winthrop Harbor, sunrise will be at 7:08 am and sunset at 6:04 pm (CDT).
In Winthrop Harbor, the length of the day tomorrow will be 10h and 56min.
