Weather forecast for 10 daysWilliamson, IL
Weather forecast for the weekend
Saturday Oct 31, 2026
- 70°F
- 55°F
Cloudy
- Precip. probability: 15%
- Precipitation: 0.08"
- Wind: 7mphESE 109°
- Humidity: 59%
- UV index: 2
- Sunrise: 7:25 am CDT
- Sunset: 5:59 pm CDT
- details ▼
On Saturday, October 31, cloudy weather is expected.
Minimal precipitation is forecasted. The temperature will fluctuate from a high of a pleasant 69.8°F to a low of a moderate 55.4°F.
Saturday's maximum temperature is anticipated to be moderately higher than the usual 65.3°F high in October.
Sunrise will be at 7:25 am and sunset at 5:59 pm; the daylight will last for 10h and 34min.
Minimal precipitation is forecasted. The temperature will fluctuate from a high of a pleasant 69.8°F to a low of a moderate 55.4°F.
Saturday's maximum temperature is anticipated to be moderately higher than the usual 65.3°F high in October.
Sunrise will be at 7:25 am and sunset at 5:59 pm; the daylight will last for 10h and 34min.
Sunday Nov 1, 2026
- 68°F
- 57°F
AM Showers
- Precip. probability: 57%
- Precipitation: 0.04"
- Wind: 9mphSE 140°
- Humidity: 82%
- UV index: 2
- Sunrise: 6:26 am CST
- Sunset: 4:58 pm CST
- details ▼
On Sunday, in Williamson, occasional light showers are possible in the morning hours.
Minimal precipitation is predicted. The temperature scale will run from a maximum of a pleasant 68°F to a minimum of a moderate 57.2°F.
The predicted daytime maximum should align with the typical 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. The temperature scale will run from a maximum of a pleasant 68°F to a minimum of a moderate 57.2°F.
The predicted daytime maximum should align with the typical 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 79°C.
Coldest day: Saturday 07.11. 57°C.
Coldest day: Saturday 07.11. 57°C.
Chance of precipitation
Highest chance: Wednesday 73%.
Long-term weather forecast
- Thursday
- Oct 29, 2026
- min.
- 57°F
Thunderstorms Early
- Precip. probability: 49%
- Precipitation: 0"
- Wind: 7mphNNE 28°
- Humidity: 79%
- UV index: 0
- Sunrise: 7:23 am CDT
- Sunset: 6:02 pm CDT
- details ▼
- Friday
- Oct 30, 2026
- 75°F
- 57°F
Cloudy
- Precip. probability: 12%
- Precipitation: 0"
- Wind: 9mphESE 106°
- Humidity: 64%
- 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: 15%
- Precipitation: 0.08"
- Wind: 7mphESE 109°
- Humidity: 59%
- UV index: 2
- Sunrise: 7:25 am CDT
- Sunset: 5:59 pm CDT
- details ▼
- Sunday
- Nov 1, 2026
- 68°F
- 57°F
AM Showers
- Precip. probability: 57%
- Precipitation: 0.04"
- Wind: 9mphSE 140°
- Humidity: 82%
- UV index: 2
- Sunrise: 6:26 am CST
- Sunset: 4:58 pm CST
- details ▼
- Monday
- Nov 2, 2026
- 72°F
- 61°F
Cloudy
- Precip. probability: 24%
- Precipitation: 0.08"
- Wind: 12mphSSE 164°
- Humidity: 78%
- UV index: 1
- Sunrise: 6:27 am CST
- Sunset: 4:57 pm CST
- details ▼
- Tuesday
- Nov 3, 2026
- 75°F
- 57°F
Showers
- Precip. probability: 50%
- Precipitation: 0.59"
- Wind: 16mphS 171°
- Humidity: 66%
- UV index: 2
- Sunrise: 6:28 am CST
- Sunset: 4:56 pm CST
- details ▼
- Wednesday
- Nov 4, 2026
- 64°F
- 48°F
Rain
- Precip. probability: 73%
- Precipitation: 0.35"
- Wind: 9mphSSW 209°
- Humidity: 81%
- UV index: 2
- Sunrise: 6:29 am CST
- Sunset: 4:55 pm CST
- details ▼
- Thursday
- Nov 5, 2026
- 63°F
- 46°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 10mphWNW 284°
- Humidity: 72%
- UV index: 3
- Sunrise: 6:31 am CST
- Sunset: 4:54 pm CST
- details ▼
- Friday
- Nov 6, 2026
- 59°F
- 41°F
Partly Cloudy
- Precip. probability: 22%
- Precipitation: 0"
- Wind: 7mphNW 312°
- Humidity: 70%
- 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: 9%
- Precipitation: 0"
- Wind: 7mphNNW 331°
- Humidity: 67%
- UV index: 2
- Sunrise: 6:33 am CST
- Sunset: 4:52 pm CST
- details ▼
For the next ten days, a combination of cloud-filled, showery and turbulent weather is predicted.
Rainfall is expected on Saturday through Wednesday.
Temperature fluctuation will be noticeable throughout the forecast window. Maximum temperatures are forecasted between 57.2°F and 75.2°F, while the lowest nightly temperature differences will be also quite pronounced, as the minimum temperature is expected to range between 35.6°F and 60.8°F.
Friday and Tuesday, with the highest temperature of 75.2°F, will be the warmest days in Williamson; expect the coldest day on next Saturday with a high of 57.2°F.
Rainfall is expected on Saturday through Wednesday.
Temperature fluctuation will be noticeable throughout the forecast window. Maximum temperatures are forecasted between 57.2°F and 75.2°F, while the lowest nightly temperature differences will be also quite pronounced, as the minimum temperature is expected to range between 35.6°F and 60.8°F.
Friday and Tuesday, with the highest temperature of 75.2°F, will be the warmest days in Williamson; expect the coldest day on next Saturday with a high of 57.2°F.
Updated: Oct 29, 2026 @ 21:02:29 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 stormy weather is forecasted for the next ten days.
Rainfall is anticipated on Saturday through Wednesday in Williamson. With moderate precipitation of 0.59", 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 range between 35.6°F and 60.8°F.
The warmest days will be Friday and Tuesday, with a maximum of 75.2°F. Next Saturday will be the coldest day, with a maximum temperature of 57.2°F.
On Saturday, in Williamson, cloudy weather is anticipated.
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, expect a few brief rain showers in the morning hours.
There is a high probability of rainfall on Sunday. Precipitation will be minimal.
On Sunday, the maximum temperature in Williamson will be 68°F, while the minimum temperature will be 57.2°F.
