Weather forecast for tomorrow
Wednesday, Jun 18.
5:37 am
8:47 pm
EDT
8:47 pm
EDT
Showers
82°F / 70°F
- Wind: 7mph SW
- Humidity: 86%
- Precip. probability: 67%
- Precipitation: 0.28"
- UV index: 6
On Wednesday, in Lemont, expect showers at times, with periods of lighter rain during the day.
The chance of rain for tomorrow is high. However, precipitation will be light. Expected temperature values will span from a moderately hot 82.4°F down to a pleasant 69.8°F.
The maximum heat index, which integrates air moisture with ambient temperature, is calculated to be a hot 91.4°F. Note that heat index values are valued for light wind and location in the shade.
The forecasted temperature is a couple of degrees higher than June's regular maximum of 77°F.
Sunrise will be at 5:37 am and sunset at 8:47 pm; tomorrow's daylight will last for 15h and 10min.
The chance of rain for tomorrow is high. However, precipitation will be light. Expected temperature values will span from a moderately hot 82.4°F down to a pleasant 69.8°F.
The maximum heat index, which integrates air moisture with ambient temperature, is calculated to be a hot 91.4°F. Note that heat index values are valued for light wind and location in the shade.
The forecasted temperature is a couple of degrees higher than June's regular maximum of 77°F.
Sunrise will be at 5:37 am and sunset at 8:47 pm; tomorrow's daylight will last for 15h and 10min.
Frequently asked questions
What is the weather forecast for Lemont for tomorrow?
On Wednesday, expect showers with brief dry periods, especially during the afternoon.
Will it rain tomorrow?
Light precipitation of 0.28" is forecasted. The possibility of rainfall is 67%.
What will be the maximum temperature tomorrow?
Tomorrow, the highest temperature will be 82.4°F, while the lowest temperature will be 69.8°F. The maximum heat index, which integrates air moisture with ambient temperature, is evaluated at 91.4°F.
The highest temperature will be a couple of degrees higher than the average maximum of 77°F in June. The lowest temperature will be noticeably higher than the average low of 55°F.
The highest temperature will be a couple of degrees higher than the average maximum of 77°F in June. The lowest temperature will be noticeably higher than the average low of 55°F.
What time are sunrise and sunset tomorrow?
On Wednesday, in Lemont, sunrise will be at 5:37 am and sunset at 8:47 pm (EDT).
How long will the day be tomorrow?
Tomorrow, the daylight will last for 15h and 10min.
Hourly weather forecast
12 am
- 70°F
- Feels like:
70°F
Cloudy
- Wind: 4mph SSW
- Pressure: 29.88"Hg
- Humidity: 96%
- Precip. probability: 9%
- Precipitation: 0"
- Visibility: 2mi
2 am
- 70°F
- Feels like:
72°F
Few Showers
- Wind: 2mph SSW
- Pressure: 29.88"Hg
- Humidity: 97%
- Precip. probability: 33%
- Precipitation: 0.04"
- Visibility: 0mi
4 am
- 68°F
- Feels like:
72°F
Showers
- Wind: 2mph SSW
- Pressure: 29.88"Hg
- Humidity: 99%
- Precip. probability: 43%
- Precipitation: 0.08"
- Visibility: 1mi
Sunrise: 5:37 am
6 am
- 68°F
- Feels like:
70°F
Showers
- Wind: 2mph SSW
- Pressure: 29.85"Hg
- Humidity: 100%
- Precip. probability: 45%
- Precipitation: 0.04"
- Visibility: 2mi
8 am
- 70°F
- Feels like:
72°F
Cloudy
- Wind: 2mph SSW
- Pressure: 29.88"Hg
- Humidity: 100%
- Precip. probability: 24%
- Precipitation: 0"
- Visibility: 2mi
10 am
- 72°F
- Feels like:
75°F
Light Rain
- Wind: 4mph SW
- Pressure: 29.88"Hg
- Humidity: 92%
- Precip. probability: 67%
- Precipitation: 0.04"
- Visibility: 4mi
12 pm
- 75°F
- Feels like:
79°F
Showers
- Wind: 5mph WSW
- Pressure: 29.88"Hg
- Humidity: 89%
- Precip. probability: 35%
- Precipitation: 0.04"
- Visibility: 6mi
2 pm
- 79°F
- Feels like:
82°F
Showers
- Wind: 6mph WSW
- Pressure: 29.85"Hg
- Humidity: 78%
- Precip. probability: 39%
- Precipitation: 0.04"
- Visibility: 7mi
4 pm
- 79°F
- Feels like:
84°F
Mostly Cloudy
- Wind: 7mph WSW
- Pressure: 29.83"Hg
- Humidity: 76%
- Precip. probability: 15%
- Precipitation: 0"
- Visibility: 10mi
6 pm
- 81°F
- Feels like:
86°F
Scattered Thunderstorms
- Wind: 7mph WSW
- Pressure: 29.83"Hg
- Humidity: 74%
- Precip. probability: 47%
- Precipitation: 0.04"
- Visibility: 7mi
8 pm
- 77°F
- Feels like:
82°F
Mostly Sunny
- Wind: 5mph WSW
- Pressure: 29.85"Hg
- Humidity: 80%
- Precip. probability: 13%
- Precipitation: 0"
- Visibility: 10mi
Sunset: 8:47 pm
10 pm
- 73°F
- Feels like:
77°F
Mostly Clear
- Wind: 4mph SW
- Pressure: 29.85"Hg
- Humidity: 87%
- Precip. probability: 17%
- Precipitation: 0"
- Visibility: 7mi
Tomorrow, on Wednesday, the weather will be unstable. Rain is forecasted from 2 am to 7 am, and from 9 am to 3 pm, 6 pm and at 7 pm. With moderate precipitation of 0.16", most rainfall is expected at 9 am.
The temperature will be between a minimum of 68°F and a maximum of 80.6°F. The warmest part of the day will be at 5 pm and 6 pm.
The maximum temperature will be relatively higher than June's average high of 77°F. Forecast models suggest a low more alike with July's typical minimum of 59.2°F than June's usual 55°F.
The temperature will be between a minimum of 68°F and a maximum of 80.6°F. The warmest part of the day will be at 5 pm and 6 pm.
The maximum temperature will be relatively higher than June's average high of 77°F. Forecast models suggest a low more alike with July's typical minimum of 59.2°F than June's usual 55°F.
Updated: Jun 17, 2025 @ 22:50:26 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