Weather forecast for 10 daysWilliamson, IL

10-day overview

Daily temperatures

Warmest day: tomorrow 81°C.
Coldest day: Friday 06.11. 57°C.

Chance of precipitation

Highest chance: Wednesday 04.11. 62%.

Long-term weather forecast

  • Wednesday
  • Oct 28, 2026
  • 79°F
  • 52°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 11mphS 173°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:22 am CDT
  • Sunset: 6:03 pm CDT
  • ▼
  • Thursday
  • Oct 29, 2026
  • 81°F
  • 57°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 8mphSW 230°
  • Humidity: 59%
  • UV index: 4
  • Sunrise: 7:23 am CDT
  • Sunset: 6:02 pm CDT
  • ▼
  • Friday
  • Oct 30, 2026
  • 77°F
  • 57°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0"
  • Wind: 9mphESE 117°
  • Humidity: 68%
  • UV index: 3
  • Sunrise: 7:24 am CDT
  • Sunset: 6:00 pm CDT
  • ▼
  • Saturday
  • Oct 31, 2026
  • 72°F
  • 55°F
Cloudy
Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 6mphESE 108°
  • Humidity: 63%
  • UV index: 2
  • Sunrise: 7:25 am CDT
  • Sunset: 5:59 pm CDT
  • ▼
  • Sunday
  • Nov 1, 2026
  • 72°F
  • 57°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 19%
  • Precipitation: 0"
  • Wind: 8mphSE 133°
  • Humidity: 69%
  • UV index: 2
  • Sunrise: 6:26 am CST
  • Sunset: 4:58 pm CST
  • ▼
  • Monday
  • Nov 2, 2026
  • 72°F
  • 59°F
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 11mphSSE 154°
  • Humidity: 73%
  • UV index: 1
  • Sunrise: 6:27 am CST
  • Sunset: 4:57 pm CST
  • ▼
  • Tuesday
  • Nov 3, 2026
  • 75°F
  • 59°F
Showers
Showers
  • Precip. probability: 53%
  • Precipitation: 0.43"
  • Wind: 13mphSSE 159°
  • Humidity: 63%
  • UV index: 2
  • Sunrise: 6:28 am CST
  • Sunset: 4:56 pm CST
  • ▼
  • Wednesday
  • Nov 4, 2026
  • 70°F
  • 50°F
Rain
Rain
  • Precip. probability: 62%
  • Precipitation: 0.79"
  • Wind: 11mphSSE 165°
  • Humidity: 70%
  • UV index: 2
  • Sunrise: 6:29 am CST
  • Sunset: 4:55 pm CST
  • ▼
  • Thursday
  • Nov 5, 2026
  • 63°F
  • 43°F
Showers
Showers
  • Precip. probability: 40%
  • Precipitation: 0.16"
  • Wind: 9mphWNW 282°
  • Humidity: 73%
  • UV index: 2
  • Sunrise: 6:31 am CST
  • Sunset: 4:54 pm CST
  • ▼
  • Friday
  • Nov 6, 2026
  • 57°F
  • 39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 8mphNW 314°
  • Humidity: 71%
  • UV index: 3
  • Sunrise: 6:32 am CST
  • Sunset: 4:53 pm CST
  • ▼
Over the next ten days, a mix of cloud-filled, showery and sunny weather is predicted.
Rainfall is predicted for Tuesday through next Thursday.
Significant changes in temperature are expected over the next several days. Maximum temperatures are forecasted between 57.2°F and 80.6°F, while the variation in nighttime lows will be also notably wide, as temperatures overnight will fluctuate from 39.2°F up to 59°F.
Expect the warmest day on Thursday, with temperatures peaking at 80.6°F; expect the coldest day on next Friday with a high of 57.2°F.
Updated: Oct 28, 2026 @ 13:58:34 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

In Williamson, a combination of cloudy, damp and dry and sunny weather is predicted for the next ten days.

Rainfall is predicted for Tuesday through next Thursday in Williamson. Next Wednesday, with moderate precipitation of 0.79", will be the day with the most rainfall.

The maximum temperature will vary between 57.2°F and 80.6°F, as the minimum temperature will range between 39.2°F and 59°F.

Tomorrow will be the warmest day, with a maximum temperature of 80.6°F. With a maximum temperature of 57.2°F, next Friday will be the coldest day.

On Saturday, in Williamson, overcast conditions are likely to persist.

On Saturday, the maximum temperature will be 71.6°F, while the minimum temperature will be 55.4°F.

On Sunday, overcast skies will be the dominant feature.

On Sunday, the highest temperature will be 71.6°F, while the lowest temperature will be 57.2°F.