Weather forecast for 10 daysWilliamson, IL
Weather forecast for the weekend
Saturday Oct 31, 2026
- 70°F
- 57°F
Cloudy
- Precip. probability: 22%
- Precipitation: 0"
- Wind: 8mphESE 110°
- Humidity: 49%
- UV index: 2
- Sunrise: 7:25 am CDT
- Sunset: 5:59 pm CDT
- details ▼
Tomorrow, expect a cloud-dominated sky with no significant clearing.
The temperature scale will run from a maximum of a delightful 69.8°F to a minimum of a mild 57.2°F.
Forecasts suggest the maximum temperature will be a couple of degrees higher than October's average of 65.3°F.
Sunrise will be at 7:25 am and sunset at 5:59 pm; tomorrow's daylight will last for 10h and 34min.
The temperature scale will run from a maximum of a delightful 69.8°F to a minimum of a mild 57.2°F.
Forecasts suggest the maximum temperature will be a couple of degrees higher than October's average of 65.3°F.
Sunrise will be at 7:25 am and sunset at 5:59 pm; tomorrow's daylight will last for 10h and 34min.
Sunday Nov 1, 2026
- 66°F
- 55°F
AM Showers
- Precip. probability: 40%
- Precipitation: 0.04"
- Wind: 11mphSE 142°
- Humidity: 78%
- UV index: 2
- Sunrise: 6:26 am CST
- Sunset: 4:58 pm CST
- details ▼
On Sunday, November 1, expect a light morning drizzle with brief periods of rain.
Minimal precipitation is predicted. Temperatures will oscillate between an enjoyable 66.2°F at their highest and a moderate 55.4°F at their lowest.
The expected peak temperature will reflect the average October high of 65.3°F.
Sunrise will be at 6:26 am and sunset at 4:58 pm; the daylight will last for 10h and 32min.
Minimal precipitation is predicted. Temperatures will oscillate between an enjoyable 66.2°F at their highest and a moderate 55.4°F at their lowest.
The expected peak temperature will reflect the average October high of 65.3°F.
Sunrise will be at 6:26 am and sunset at 4:58 pm; the daylight will last for 10h and 32min.
10-day overview
Daily temperatures
Warmest day: today 75°C.
Coldest period: Friday - Sunday 57°C.
Coldest period: Friday - Sunday 57°C.
Chance of precipitation
Highest chance: Tuesday 66%.
Long-term weather forecast
- Friday
- Oct 30, 2026
- 75°F
- 55°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 11mphESE 105°
- Humidity: 56%
- UV index: 3
- Sunrise: 7:24 am CDT
- Sunset: 6:00 pm CDT
- details ▼
- Saturday
- Oct 31, 2026
- 70°F
- 57°F
Cloudy
- Precip. probability: 22%
- Precipitation: 0"
- Wind: 8mphESE 110°
- Humidity: 49%
- UV index: 2
- Sunrise: 7:25 am CDT
- Sunset: 5:59 pm CDT
- details ▼
- Sunday
- Nov 1, 2026
- 66°F
- 55°F
AM Showers
- Precip. probability: 40%
- Precipitation: 0.04"
- Wind: 11mphSE 142°
- Humidity: 78%
- UV index: 2
- Sunrise: 6:26 am CST
- Sunset: 4:58 pm CST
- details ▼
- Monday
- Nov 2, 2026
- 70°F
- 61°F
AM Showers
- Precip. probability: 39%
- Precipitation: 0.12"
- Wind: 14mphSSE 161°
- Humidity: 78%
- UV index: 1
- Sunrise: 6:27 am CST
- Sunset: 4:57 pm CST
- details ▼
- Tuesday
- Nov 3, 2026
- 72°F
- 55°F
Showers
- Precip. probability: 66%
- Precipitation: 0.43"
- Wind: 17mphS 171°
- Humidity: 72%
- UV index: 2
- Sunrise: 6:28 am CST
- Sunset: 4:56 pm CST
- details ▼
- Wednesday
- Nov 4, 2026
- 63°F
- 50°F
Showers
- Precip. probability: 64%
- Precipitation: 0.24"
- Wind: 9mphSW 235°
- Humidity: 81%
- UV index: 2
- Sunrise: 6:29 am CST
- Sunset: 4:55 pm CST
- details ▼
- Thursday
- Nov 5, 2026
- 63°F
- 45°F
AM Showers
- Precip. probability: 41%
- Precipitation: 0.04"
- Wind: 11mphNW 304°
- Humidity: 78%
- UV index: 2
- Sunrise: 6:31 am CST
- Sunset: 4:54 pm CST
- details ▼
- Friday
- Nov 6, 2026
- 57°F
- 37°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 9mphNNW 332°
- Humidity: 72%
- UV index: 3
- Sunrise: 6:32 am CST
- Sunset: 4:53 pm CST
- details ▼
- Saturday
- Nov 7, 2026
- 57°F
- 36°F
Partly Cloudy
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 7mphNNW 328°
- Humidity: 63%
- UV index: 3
- Sunrise: 6:33 am CST
- Sunset: 4:52 pm CST
- details ▼
- Sunday
- Nov 8, 2026
- 57°F
- 37°F
Partly Cloudy
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 7mphWNW 302°
- Humidity: 60%
- UV index: 3
- Sunrise: 6:34 am CST
- Sunset: 4:51 pm CST
- details ▼
A combination of overcast and rain-soaked weather is forecasted.
Rain is forecasted for Sunday through Thursday.
Temperature variation will be noticeable in the coming days. Maximum temperatures are forecasted between 57.2°F and 75.2°F, while the difference in minimum temperatures will be also substantial, as nighttime lows are forecast to fall between 35.6°F and 60.8°F.
The warmest day is today, with a maximum temperature of 75.2°F; with a maximum temperature of 57.2°F, next Friday through next Sunday will be the coldest days in Williamson.
Rain is forecasted for Sunday through Thursday.
Temperature variation will be noticeable in the coming days. Maximum temperatures are forecasted between 57.2°F and 75.2°F, while the difference in minimum temperatures will be also substantial, as nighttime lows are forecast to fall between 35.6°F and 60.8°F.
The warmest day is today, with a maximum temperature of 75.2°F; with a maximum temperature of 57.2°F, next Friday through next Sunday will be the coldest days in Williamson.
Updated: Oct 30, 2026 @ 13:43:09 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 cloudy and showery weather is forecasted for the next ten days.
Rain is predicted for Sunday through Thursday in Williamson. With moderate precipitation of 0.43", Tuesday will be the day with the most rainfall.
The maximum temperature will range between 57.2°F and 75.2°F, as the minimum temperature will be between 35.6°F and 60.8°F.
Today is the warmest day, with a maximum temperature of 75.2°F. The coldest days will be next Friday through next Sunday, with a maximum of 57.2°F.
On Saturday, the sky will be blanketed in clouds.
Tomorrow, the maximum temperature in Williamson will be 69.8°F, while the minimum temperature will be 57.2°F.
Tomorrow, the maximum temperature will be slightly warmer than the average highest temperature in October. The lowest temperature will be also a couple of degrees higher than the average low of 48.4°F.
Tomorrow, the maximum temperature will be slightly warmer than the average highest temperature in October. The lowest temperature will be also a couple of degrees higher than the average low of 48.4°F.
On Saturday, in Williamson, sunrise will be at 7:25 am and sunset at 5:59 pm (CDT).
In Williamson, the length of the day tomorrow will be 10h and 34min.
On Sunday, in Williamson, expect light passing rain showers before midday.
On Sunday, there is a low probability of minimal rainfall in Williamson.
On Sunday, the maximum temperature will be 66.2°F, while the minimum temperature will be 55.4°F.





