Weather forecast for todayGrafton, IL

Weather forecast for today

Current condition 12:16 am CDT

  • 54°F
  • Feels like:
    54°F
Showers in the Vicinity
Showers in the Vicinity
  • Precipitation: 0"
  • Wind: 2mphNNE 20°
  • Humidity: 74%
  • Dewpoint: 46°F
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Currently, there are reports of light rain showers falling in nearby areas.
The temperature is a fresh 53.6°F. The current temperature is far from today's maximum-forecasted 73.4°F.

Tuesday Oct 20, 2026

  • 73°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0.04"
  • Wind: 4mphSE 124°
  • Humidity: 54%
  • UV index: 4
  • Sunrise: 7:16 am CDT
  • Sunset: 6:16 pm CDT
  • ▼
Today, expect consistent sunshine and open skies.
Minimal precipitation is expected. Significant temperature fluctuations from a high of a temperate 73.4°F to a low of a brisk 44.6°F are anticipated.
Weather conditions lean warmer, with the temperature tracking September's average high of 79.2°F.
Sunrise will be at 7:16 am and sunset at 6:16 pm; the daylight will last for 11h and 0min.

Hourly overview

Hourly temperatures

Warmest hour: 4 pm 73°C.
Coldest hour: 7 am 45°C.

Chance of precipitation

Highest chance: 1 am 43%.

Hourly weather forecast

  • 2 am
  • 52°F
  • Feels like:
    52°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphE 89°
  • Humidity: 78%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 48°F
  • Feels like:
    48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphENE 68°
  • Humidity: 88%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 45°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphENE 78°
  • Humidity: 94%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:16 am
  • 8 am
  • 46°F
  • Feels like:
    46°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 2mphENE 69°
  • Humidity: 93%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 59°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 3mphESE 114°
  • Humidity: 63%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 68°F
  • Feels like:
    68°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphSSE 148°
  • Humidity: 43%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 72°F
  • Feels like:
    72°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSE 145°
  • Humidity: 36%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 73°F
  • Feels like:
    73°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSSE 149°
  • Humidity: 34%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 68°F
  • Feels like:
    68°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphESE 113°
  • Humidity: 44%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:16 pm
  • 8 pm
  • 57°F
  • Feels like:
    57°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphE 81°
  • Humidity: 70%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 54°F
  • Feels like:
    54°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 2mphENE 70°
  • Humidity: 76%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, a combination of primarily clear and occasionally cloudy and rainy weather is anticipated.
With a probability of 43%, minimal rainfall is anticipated around 1 am.
The temperature will be between the highest temperature of 73.4°F and the lowest temperature of 44.6°F. The warmest part of the day will be at 3 pm and 4 pm.
The forecasted maximum is more consistent with September's typical high of 79.2°F than the average for October. The nighttime low will be slightly cooler than the typical October minimum temperature of 48.6°F.
Updated: Oct 20, 2026 @ 05:16:57 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

At 12:16 am CDT, the temperature is 53.6°F.

On Tuesday, the outlook remains bright and sunny.

Today, there is a low chance of minimal precipitation in Grafton.

Today, the maximum temperature will be 73.4°F, while the minimum temperature will be 44.6°F.
The highest temperature will be moderately higher than the average maximum of 65.8°F in October. The lowest temperature will be also moderately lower than the average low of 48.6°F.

On Tuesday, in Grafton, sunrise will be at 7:16 am and sunset at 6:16 pm (CDT).

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