Weather forecast for today
Sunday, Jun 15.
5:31 am
8:28 pm
CDT
8:28 pm
CDT
Mostly Cloudy
81°F / 68°F
- Wind: 6mph NE
- Humidity: 64%
- Precip. probability: 1%
- Precipitation: 0"
- UV index: 7
On Sunday, June 15, the sky will remain mostly closed off by clouds.
The temperature is expected to vary between a moderately hot 80.6°F and an agreeable 68°F.
The maximum heat index, which integrates air moisture with ambient temperature, is assessed at 82.4°F.
Today's forecasted high will be in line with June's typical peak of 82.2°F.
Sunrise was at 5:31 am and sunset will be at 8:28 pm; the daylight will last for 14h and 56min.
The temperature is expected to vary between a moderately hot 80.6°F and an agreeable 68°F.
The maximum heat index, which integrates air moisture with ambient temperature, is assessed at 82.4°F.
Today's forecasted high will be in line with June's typical peak of 82.2°F.
Sunrise was at 5:31 am and sunset will be at 8:28 pm; the daylight will last for 14h and 56min.
Current condition
2:07 pm CDT
Mostly Cloudy
- 79°F
- Feels like: 82°F
- Wind: 6mph N
- Humidity: 65%
- Dewpoint: 66°F
- Pressure: 30.02"Hg
- Precipitation: 0"
- Visibility: 10mi
- UV index: 7
In Williamson, at the moment, widespread cloud cover is keeping skies mostly clouded.
The temperature is a warm 78.8°F, with the felt air temperature being assessed at a moderately hot 82.4°F. The current temperature is nearly at the maximum of today's anticipated 80.6°F.
The temperature is a warm 78.8°F, with the felt air temperature being assessed at a moderately hot 82.4°F. The current temperature is nearly at the maximum of today's anticipated 80.6°F.
Weather radar - Williamson, IL
Doppler radar displays precipitation for the past 2h and forecasts the next 30min
Frequently asked questions
What is the temperature now?
At 2:07 pm CDT, the temperature is 78.8°F.
What is the weather forecast for Williamson for today?
Today, the sky will be mainly overcast.
What will be the highest temperature today?
Today, the maximum temperature in Williamson will be 80.6°F, while the minimum temperature will be 68°F. The maximum heat index, which adjusts the air temperature based on humidity, is calculated to be 82.4°F.
The maximum temperature will be in line with the average highest temperature of 82.2°F in June. The lowest temperature will be also in line with the average low of 65.5°F.
The maximum temperature will be in line with the average highest temperature of 82.2°F in June. The lowest temperature will be also in line with the average low of 65.5°F.
When is the sunrise / sunset today?
On Sunday, in Williamson, sunrise was at 5:31 am and sunset will be at 8:28 pm (CDT).
How long is the day today?
Today, the daylight will last for 14h and 56min.
Hourly weather forecast
3 pm
- 79°F
- Feels like:
82°F
Mostly Cloudy
- Wind: 5mph NNE
- Pressure: 30"Hg
- Humidity: 64%
- Precip. probability: 1%
- Precipitation: 0"
- Visibility: 10mi
4 pm
- 81°F
- Feels like:
82°F
Mostly Cloudy
- Wind: 6mph NE
- Pressure: 29.97"Hg
- Humidity: 63%
- Precip. probability: 1%
- Precipitation: 0"
- Visibility: 10mi
5 pm
- 81°F
- Feels like:
84°F
Mostly Cloudy
- Wind: 6mph NE
- Pressure: 29.97"Hg
- Humidity: 63%
- Precip. probability: 1%
- Precipitation: 0"
- Visibility: 10mi
6 pm
- 81°F
- Feels like:
82°F
Cloudy
- Wind: 6mph NE
- Pressure: 29.94"Hg
- Humidity: 64%
- Precip. probability: 1%
- Precipitation: 0"
- Visibility: 10mi
7 pm
- 79°F
- Feels like:
82°F
Cloudy
- Wind: 6mph NE
- Pressure: 29.94"Hg
- Humidity: 68%
- Precip. probability: 2%
- Precipitation: 0"
- Visibility: 10mi
8 pm
- 77°F
- Feels like:
77°F
Cloudy
- Wind: 3mph NE
- Pressure: 29.97"Hg
- Humidity: 73%
- Precip. probability: 2%
- Precipitation: 0"
- Visibility: 10mi
Sunset: 8:28 pm
9 pm
- 75°F
- Feels like:
75°F
Cloudy
- Wind: 3mph NE
- Pressure: 29.97"Hg
- Humidity: 79%
- Precip. probability: 4%
- Precipitation: 0"
- Visibility: 10mi
10 pm
- 73°F
- Feels like:
75°F
Cloudy
- Wind: 3mph ENE
- Pressure: 29.97"Hg
- Humidity: 83%
- Precip. probability: 6%
- Precipitation: 0"
- Visibility: 10mi
11 pm
- 72°F
- Feels like:
73°F
Cloudy
- Wind: 2mph E
- Pressure: 29.97"Hg
- Humidity: 87%
- Precip. probability: 7%
- Precipitation: 0"
- Visibility: 10mi
12 am
- 72°F
- Feels like:
73°F
Cloudy
- Wind: 3mph E
- Pressure: 29.97"Hg
- Humidity: 87%
- Precip. probability: 7%
- Precipitation: 0"
- Visibility: 10mi
For the rest of Sunday, cloudy weather is expected.
The temperature will be between a minimum of 71.6°F and a maximum of 80.6°F. The warmest part of the day will be from 4 pm to 6 pm.
Today, the forecasted high aligns alike with the average peak in June. The nighttime low today will be also comparable to June's typical minimum temperature.
The temperature will be between a minimum of 71.6°F and a maximum of 80.6°F. The warmest part of the day will be from 4 pm to 6 pm.
Today, the forecasted high aligns alike with the average peak in June. The nighttime low today will be also comparable to June's typical minimum temperature.
Updated: Jun 15, 2025 @ 19:07:15 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
Williamson, Illinois, USA
- en: Williamson, Illinois, USA
- es: Williamson, Illinois, EE.UU.
- hr: Vilijamson, Ilinois, SAD
- sr: Vilijamson, Ilinois, SAD
- zh: 威廉森, 伊利诺伊, 美国
- Latitude: 38.985602°
- Longitude: -89.763983°
- Elevation: 607 ft
- Current time: 2:07pm CDT
- Sunrise: 5:31 am CDT
- Sunset: 8:28 pm CDT
- Timezone: America/Chicago
Nearby Williamson, Illinois, USA
- Livingston (1 mi)
- Staunton (2 mi)
- New Douglas (6 mi)
- White City (6 mi)
- Worden (6 mi)
- Mount Olive (6 mi)
- Sawyerville (7 mi)
- Alhambra (7 mi)
- Wilsonville (7 mi)
- Benld (7 mi)
- Hamel (8 mi)
- Mount Clare (9 mi)
- Eagarville (9 mi)
- Dorchester (9 mi)
- Walshville (10 mi)
- Sorento (11 mi)
- Gillespie (11 mi)
- Bunker Hill (11 mi)
- East Gillespie (11 mi)
- Grantfork (12 mi)
- Old Ripley (12 mi)
- Dorsey (13 mi)
- Panama (13 mi)
- Royal Lakes (14 mi)