Weather forecast for todaySimpson, IL

Weather forecast for today

Current condition 2:14 am CDT

  • 37°F
  • Feels like:
    37°F
Clear
Clear
  • Precipitation: 0"
  • Wind: 0mphW 270°
  • Humidity: 94%
  • Dewpoint: 36°F
  • Pressure: 30.48"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Currently, in Simpson, an expansive clear sky makes for a picture-perfect day.
The temperature is a cold 37.4°F. The current temperature is at the minimum expected for today.

Sunday Oct 18, 2026

  • 66°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphSE 126°
  • Humidity: 54%
  • UV index: 5
  • Sunrise: 7:06 am CDT
  • Sunset: 6:14 pm CDT
  • ▼
Today, on Sunday, October 18, bright and sunny weather is expected.
Day and night temperatures will contrast sharply, ranging from a peak of a comfortable 66.2°F to a low of an icy 37.4°F.
October's usual high of 67.8°F is forecasted to be matched by the day’s maximum temperature.
Sunrise will be at 7:06 am and sunset at 6:14 pm; the daylight will last for 11h and 8min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 66°C.
Coldest period: 3 am - 6 am 37°C.

Chance of precipitation

Highest chance: 12 am 3%.

Hourly weather forecast

  • 4 am
  • 37°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 0mphS 180°
  • Humidity: 97%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 37°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphESE 104°
  • Humidity: 95%
  • Pressure: 30.47"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
Sunrise: 7:06 am
  • 8 am
  • 41°F
  • Feels like:
    41°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphSE 125°
  • Humidity: 94%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 54°F
  • Feels like:
    54°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphESE 117°
  • Humidity: 59%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 61°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSE 132°
  • Humidity: 42%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 5
  • ▼
  • 2 pm
  • 64°F
  • Feels like:
    64°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphSE 135°
  • Humidity: 36%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphSE 134°
  • Humidity: 34%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 59°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphESE 108°
  • Humidity: 46%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:14 pm
  • 8 pm
  • 50°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphE 101°
  • Humidity: 73%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 46°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 0mphESE 102°
  • Humidity: 87%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, in Simpson, sunny conditions are likely to prevail.
The temperature will be between a maximum of 66.2°F and a minimum of 37.4°F. The warmest part of the day will be at 3 pm and 4 pm.
The maximum temperature will be similar to the average high of 67.8°F in October. The minimum temperature will be more in line with November's average low of 38.8°F than October's typical 49.6°F.
Updated: Oct 18, 2026 @ 07:14:30 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (2:14 am CDT) it is 37.4°F in Simpson.

Today, sunshine is forecasted under mostly clear skies.

Today, the maximum temperature will be 66.2°F, while the minimum temperature will be 37.4°F.
Today, the maximum temperature will be in line with the average highest temperature in October. The lowest temperature will be significantly lower than the average low of 49.6°F.

On Sunday, in Simpson, sunrise will be at 7:06 am and sunset at 6:14 pm (CDT).

Today, the daylight will last for 11h and 8min.