Weather forecast for todayGrafton, IL

Weather forecast for today

Current condition 7:07 am CDT

  • 52°F
  • Feels like:
    52°F
Fair
Fair
  • Precipitation: 0"
  • Wind: 0mphWNW 300°
  • Humidity: 80%
  • Dewpoint: 46°F
  • Pressure: 30.35"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
In Grafton, at the moment, tranquil weather patterns bring another day of fair conditions.
The temperature is a cool 51.8°F. The current temperature is far from today's maximum-anticipated 73.4°F.

Tuesday Oct 20, 2026

  • 73°F
  • 45°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphSE 132°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:16 am CDT
  • Sunset: 6:16 pm CDT
  • ▼
Today, expect plenty of sunshine and only a few scattered clouds.
Significant temperature variations are forecasted, soaring to a maximum of a temperate 73.4°F and descending to a minimum of a brisk 44.6°F.
The expected high of 73.4°F appears seasonally off, better matching September's typical values.
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: 12 am 50°C.

Chance of precipitation

Highest chance: 10 pm - 12 am 15%.

Hourly weather forecast

  • 8 am
  • 52°F
  • Feels like:
    52°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphE 86°
  • Humidity: 81%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 am
  • 57°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphE 97°
  • Humidity: 73%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 10 am
  • 63°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphESE 123°
  • Humidity: 60%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 11 am
  • 64°F
  • Feels like:
    64°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSE 145°
  • Humidity: 54%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 12 pm
  • 68°F
  • Feels like:
    68°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphSSE 156°
  • Humidity: 46%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 1 pm
  • 70°F
  • Feels like:
    70°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSSE 155°
  • Humidity: 39%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 72°F
  • Feels like:
    72°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSE 146°
  • Humidity: 36%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 3 pm
  • 73°F
  • Feels like:
    73°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphSSE 160°
  • Humidity: 34%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 73°F
  • Feels like:
    73°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSSE 152°
  • Humidity: 33%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 5 pm
  • 72°F
  • Feels like:
    72°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSSE 150°
  • Humidity: 35%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 68°F
  • Feels like:
    68°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphESE 117°
  • Humidity: 44%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:16 pm
  • 7 pm
  • 61°F
  • Feels like:
    61°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphE 86°
  • Humidity: 58%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 57°F
  • Feels like:
    57°F
Mostly Clear
Mostly Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphE 84°
  • Humidity: 69%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 55°F
  • Feels like:
    55°F
Mostly Clear
Mostly Clear
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 2mphENE 72°
  • Humidity: 72%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 54°F
  • Feels like:
    54°F
Mostly Clear
Mostly Clear
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 2mphENE 67°
  • Humidity: 76%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 52°F
  • Feels like:
    52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 2mphE 82°
  • Humidity: 79%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, in Grafton, primarily sun-filled and occasionally cloudy weather is forecasted.
The temperature will be between the highest temperature of 73.4°F and the lowest temperature of 51.8°F. The warmest part of the day will be at 3 pm and 4 pm.
The maximum temperature will align more closely with September's average high of 79.2°F than with October's 65.8°F. The nighttime low will be a few degrees lower than the typical October minimum temperature of 48.6°F.
Updated: Oct 20, 2026 @ 12:07:24 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

At 7:07 am CDT, the temperature is 51.8°F.

Today, mostly sunny and dry conditions will continue.

Today, the highest temperature will be 73.4°F, while the lowest temperature will be 44.6°F.
The highest temperature will be a few degrees higher than the average maximum of 65.8°F in October. The lowest temperature will be also relatively 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.