Weather forecast for 10 daysWilliamson, IL
10-day overview
Daily temperatures
Warmest day: today 79°C.
Coldest period: Friday - Saturday 55°C.
Coldest period: Friday - Saturday 55°C.
Chance of precipitation
Highest chance: Wednesday 69%.
Long-term weather forecast
- Thursday
- Oct 29, 2026
- 79°F
- 55°F
Mostly Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 8mphSW 227°
- Humidity: 60%
- UV index: 4
- Sunrise: 7:23 am CDT
- Sunset: 6:02 pm CDT
- details ▼
- Friday
- Oct 30, 2026
- 75°F
- 57°F
Mostly Cloudy
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 9mphESE 102°
- Humidity: 63%
- UV index: 3
- Sunrise: 7:24 am CDT
- Sunset: 6:00 pm CDT
- details ▼
- Saturday
- Oct 31, 2026
- 70°F
- 55°F
Cloudy
- Precip. probability: 5%
- Precipitation: 0.08"
- Wind: 8mphESE 103°
- Humidity: 58%
- UV index: 2
- Sunrise: 7:25 am CDT
- Sunset: 5:59 pm CDT
- details ▼
- Sunday
- Nov 1, 2026
- 70°F
- 57°F
AM Showers
- Precip. probability: 45%
- Precipitation: 0.04"
- Wind: 9mphSE 144°
- Humidity: 80%
- UV index: 2
- Sunrise: 7:26 am CDT
- Sunset: 5:58 pm CDT
- details ▼
- Monday
- Nov 2, 2026
- 70°F
- 61°F
PM Showers
- Precip. probability: 50%
- Precipitation: 0.16"
- Wind: 12mphSSE 160°
- Humidity: 79%
- UV index: 1
- Sunrise: 6:27 am CST
- Sunset: 4:57 pm CST
- details ▼
- Tuesday
- Nov 3, 2026
- 75°F
- 59°F
Showers
- Precip. probability: 42%
- Precipitation: 0.39"
- Wind: 16mphS 170°
- Humidity: 66%
- UV index: 2
- Sunrise: 6:28 am CST
- Sunset: 4:56 pm CST
- details ▼
- Wednesday
- Nov 4, 2026
- 66°F
- 46°F
Rain
- Precip. probability: 69%
- Precipitation: 0.28"
- Wind: 11mphSSW 203°
- Humidity: 76%
- UV index: 2
- Sunrise: 6:29 am CST
- Sunset: 4:55 pm CST
- details ▼
- Thursday
- Nov 5, 2026
- 59°F
- 41°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 11mphW 273°
- Humidity: 74%
- UV index: 3
- Sunrise: 6:31 am CST
- Sunset: 4:54 pm CST
- details ▼
- Friday
- Nov 6, 2026
- 55°F
- 37°F
Partly Cloudy
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 11mphWNW 301°
- Humidity: 69%
- UV index: 3
- Sunrise: 6:32 am CST
- Sunset: 4:53 pm CST
- details ▼
- Saturday
- Nov 7, 2026
- 55°F
- 37°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 7mphNW 310°
- Humidity: 62%
- UV index: 3
- Sunrise: 6:33 am CST
- Sunset: 4:52 pm CST
- details ▼
Looking ahead, conditions suggest a period of dull, rain-soaked and dry and sunny weather is expected.
Rainfall is anticipated on Sunday through Wednesday.
Temperature differences will be noticeable over the next several days. Forecast highs will fluctuate between 55.4°F and 78.8°F, while there will be also a marked difference in overnight low temperatures, as the overnight lows will vary from 37.4°F to 60.8°F.
The warmest day is today, with a maximum temperature of 78.8°F; with a maximum temperature of 55.4°F, next Friday and Saturday will be the coldest days.
Rainfall is anticipated on Sunday through Wednesday.
Temperature differences will be noticeable over the next several days. Forecast highs will fluctuate between 55.4°F and 78.8°F, while there will be also a marked difference in overnight low temperatures, as the overnight lows will vary from 37.4°F to 60.8°F.
The warmest day is today, with a maximum temperature of 78.8°F; with a maximum temperature of 55.4°F, next Friday and Saturday will be the coldest days.
Updated: Oct 29, 2026 @ 08:07:20 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
In Williamson, a combination of dull, rain-soaked and dry and sunny weather is anticipated for the next ten days.
Rainfall is forecasted for Sunday through Wednesday in Williamson. With light precipitation of 0.39", Tuesday will be the day with the most rainfall.
The maximum temperature will vary between 55.4°F and 78.8°F, as the minimum temperature will vary between 37.4°F and 60.8°F.
Today is the warmest day, with a maximum temperature of 78.8°F. With a maximum temperature of 55.4°F, next Friday and Saturday will be the coldest days.
On Saturday, low-hanging clouds will persist throughout the day.
On Saturday, there is a low probability of minimal rainfall in Williamson.
On Saturday, the maximum temperature will be 69.8°F, while the minimum temperature will be 55.4°F.
On Sunday, morning showers are expected.
On Sunday, there is a low probability of minimal rainfall in Williamson.
On Sunday, the maximum temperature will be 69.8°F, while the minimum temperature will be 57.2°F.
