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
- Precipitation: 0"
- Wind: 2mphNNE 20°
- Humidity: 74%
- Dewpoint: 46°F
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
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.
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
- Precip. probability: 6%
- Precipitation: 0.04"
- Wind: 4mphSE 124°
- Humidity: 54%
- UV index: 4
- Sunrise: 7:16 am CDT
- Sunset: 6:16 pm CDT
- details ▼
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.
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.
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
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphE 89°
- Humidity: 78%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 48°F
- Feels like:48°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphENE 68°
- Humidity: 88%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 45°F
- Feels like:45°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphENE 78°
- Humidity: 94%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:16 am
- 8 am
- 46°F
- Feels like:46°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 2mphENE 69°
- Humidity: 93%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 59°F
- Feels like:59°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 3mphESE 114°
- Humidity: 63%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 68°F
- Feels like:68°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphSSE 148°
- Humidity: 43%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 72°F
- Feels like:72°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSE 145°
- Humidity: 36%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 73°F
- Feels like:73°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSSE 149°
- Humidity: 34%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 68°F
- Feels like:68°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphESE 113°
- Humidity: 44%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:16 pm
- 8 pm
- 57°F
- Feels like:57°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 1mphE 81°
- Humidity: 70%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 54°F
- Feels like:54°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 2mphENE 70°
- Humidity: 76%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
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.
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
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.
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.
Grafton, Illinois, USA
- en: Grafton, Illinois, USA
- es: Grafton, Illinois, EE.UU.
- hr: Grafton, Ilinois, SAD
- mk: Grafton, Ilinois, SAD
- sr: Grafton, Ilinois, SAD
- zh: 格拉夫顿, 伊利诺伊, 美国
- Latitude: 38.970048°
- Longitude: -90.431505°
- Elevation: 453 ft
- Current time: 12:16am CDT
- Sunrise: 7:16 am CDT
- Sunset: 6:16 pm CDT
- Timezone: America/Chicago
Nearby Grafton, Illinois, USA
- Elsah (4 mi)
- Dow (6 mi)
- Portage Des Sioux (6 mi)
- Otterville (6 mi)
- Brussels (9 mi)
- Golden Eagle (9 mi)
- Fieldon (10 mi)
- Jerseyville (12 mi)
- Batchtown (13 mi)
- Saint Charles (13 mi)
- Godfrey (13 mi)
- West Alton (14 mi)
- Florissant (14 mi)
- Earth City (14 mi)
- Bridgeton (14 mi)
- Hazelwood (14 mi)
- Alton (14 mi)
- Black Jack (15 mi)
- Calverton Park (16 mi)
- Champ (16 mi)
- Kane (16 mi)
- Berkeley (16 mi)
- Hardin (16 mi)
- Brighton (16 mi)
Illinois, USA - most visited locations
- Chicago
- Aurora
- Rockford
- Joliet
- Naperville
- Springfield
- Peoria
- Elgin
- Waukegan
- Champaign
- Cicero
- Bloomington
- Arlington Heights
- Evanston
- Schaumburg
- Bolingbrook
- Decatur
- Palatine
- Skokie
- Des Plaines
- Orland Park
- Tinley Park
- Oak Lawn
- Berwyn
- Mount Prospect
- Normal
- Wheaton
- Hoffman Estates
- Oak Park
- Downers Grove
- Glenview
- Belleville
- Elmhurst
- DeKalb
- Moline
- Lombard





