Weather forecast for todayWilliamson, IA

Weather forecast for today

Current condition 12:01 am CDT

  • 45°F
  • Feels like:
    39°F
Clear
Clear
  • Precipitation: 0"
  • Wind: 10mphS 180°
  • Humidity: 71%
  • Dewpoint: 36°F
  • Pressure: 30.38"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
At the moment, the sky is a wide-open expanse of clear blue.
The temperature is a frosty 44.6°F, with the apparent temperature being estimated at an icy 39.2°F. The current temperature is almost at the minimum-anticipated 41°F for today.

Sunday Oct 18, 2026

  • 66°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 16mphSSW 193°
  • Humidity: 54%
  • UV index: 4
  • Sunrise: 7:28 am CDT
  • Sunset: 6:28 pm CDT
  • ▼
Today, on Sunday, October 18, the forecast calls for abundant sunshine.
The maximum forecasted temperature is a breezy 66.2°F, while the minimum temperature will be a wintry 41°F.
Today, the peak temperature is anticipated to be a few degrees higher than the usual high for October at 61.3°F.
Sunrise will be at 7:28 am and sunset at 6:28 pm; the daylight will last for 11h and 0min.

Hourly overview

Hourly temperatures

Warmest hour: 4 pm 64°C.
Coldest period: 4 am - 7 am 41°C.

Chance of precipitation

Highest chance: 3%.

Hourly weather forecast

  • 2 am
  • 43°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphSSW 195°
  • Humidity: 76%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 41°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 10mphSSW 196°
  • Humidity: 80%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 41°F
  • Feels like:
    34°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 10mphSSW 194°
  • Humidity: 82%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:28 am
  • 8 am
  • 41°F
  • Feels like:
    36°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 10mphS 189°
  • Humidity: 81%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 52°F
  • Feels like:
    46°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 14mphSSW 193°
  • Humidity: 63%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 59°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 16mphSSW 200°
  • Humidity: 47%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 64°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 16mphSSW 196°
  • Humidity: 41%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 64°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 15mphS 191°
  • Humidity: 39%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 61°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 10mphS 182°
  • Humidity: 44%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:28 pm
  • 8 pm
  • 55°F
  • Feels like:
    52°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphS 177°
  • Humidity: 61%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 52°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 8mphS 184°
  • Humidity: 69%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, clear skies and sunny weather are expected.
The temperature will be between a minimum of 41°F and a maximum of 64.4°F. The feels-like temperature will be between the lowest temperature of 33.8°F and the highest temperature of 62.6°F. The warmest part of the day will be from 2 pm to 5 pm.
The temperature is expected to be slightly warmer than the average peak in October, which is 61.3°F. The minimum temperature will be also comparable to October's average low of 44.6°F.
Updated: Oct 18, 2026 @ 05:01:02 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (12:01 am CDT) it is 44.6°F in Williamson. Feels-like temperature is 39.2°F.

Today, clear and sunny conditions are expected.

Today, the highest temperature will be 66.2°F, while the lowest temperature will be 41°F.
The highest temperature will be a few degrees higher than the average maximum of 61.3°F in October. The lowest temperature today will be in line with the average low temperature.

On Sunday, in Williamson, sunrise will be at 7:28 am and sunset at 6:28 pm (CDT).

In Williamson, the length of the day today will be 11h and 0min.