Hourly Weather Forecast - Grafton, IL

12 AM
22°F
0%
12mph
NW
Clear
Humidity
52%
Feels like
11°F
Dew Point
7°F
1 AM
22°F
0%
11mph
NW
Clear
Humidity
54%
Feels like
11°F
Dew Point
8°F
2 AM
22°F
0%
11mph
NW
Clear
Humidity
56%
Feels like
10°F
Dew Point
8°F
3 AM
21°F
0%
10mph
NW
Clear
Humidity
58%
Feels like
10°F
Dew Point
9°F
4 AM
21°F
0%
9mph
NW
Clear
Humidity
58%
Feels like
11°F
Dew Point
9°F
5 AM
21°F
0%
9mph
WNW
Clear
Humidity
60%
Feels like
11°F
Dew Point
9°F
6 AM
20°F
0%
9mph
WNW
Clear
Humidity
61%
Feels like
10°F
Dew Point
9°F
7 AM
21°F
0%
8mph
WNW
Clear
Humidity
62%
Feels like
11°F
Dew Point
10°F
7:20 AM
8 AM
22°F
0%
8mph
W
Sunny
Humidity
60%
Feels like
13°F
Dew Point
11°F
9 AM
24°F
0%
9mph
W
Sunny
Humidity
56%
Feels like
15°F
Dew Point
11°F
10 AM
27°F
0%
9mph
W
Sunny
Humidity
51%
Feels like
18°F
Dew Point
11°F
11 AM
30°F
0%
9mph
WSW
Sunny
Humidity
45%
Feels like
22°F
Dew Point
11°F
12 PM
33°F
0%
10mph
WSW
Sunny
Humidity
40%
Feels like
25°F
Dew Point
11°F
1 PM
35°F
0%
10mph
WSW
Partly Cloudy
Humidity
38%
Feels like
27°F
Dew Point
12°F
2 PM
35°F
0%
11mph
WSW
Mostly Cloudy
Humidity
38%
Feels like
27°F
Dew Point
12°F
3 PM
33°F
0%
11mph
WSW
Cloudy
Humidity
41%
Feels like
25°F
Dew Point
12°F
4 PM
31°F
0%
10mph
SW
Mostly Cloudy
Humidity
45%
Feels like
23°F
Dew Point
13°F
4:48 PM
5 PM
30°F
0%
9mph
SW
Partly Cloudy
Humidity
49%
Feels like
22°F
Dew Point
13°F
6 PM
30°F
0%
9mph
WSW
Clear
Humidity
51%
Feels like
21°F
Dew Point
14°F
7 PM
30°F
0%
9mph
WSW
Clear
Humidity
52%
Feels like
22°F
Dew Point
14°F
8 PM
30°F
0%
9mph
WSW
Mostly Clear
Humidity
52%
Feels like
22°F
Dew Point
15°F
9 PM
30°F
0%
9mph
WSW
Mostly Clear
Humidity
52%
Feels like
22°F
Dew Point
15°F
10 PM
30°F
0%
10mph
W
Mostly Clear
Humidity
54%
Feels like
22°F
Dew Point
16°F
11 PM
31°F
0%
10mph
W
Clear
Humidity
55%
Feels like
22°F
Dew Point
17°F

Snow and Ice Forecast Through Monday

Heavy Snow and Icing from Midwest to New England

A winter storm will deliver snow and significant icing from the Midwest to New England.

Monday's Weather Outlook

Monday's Weather Outlook

Satellite image of Hurricane Melissa

2025 Year in Review: Powerful Hurricanes in the Atlantic

A frame from an automated video of a tornado and its mesocyclone that derailed multiple train cars near Enderlin, North Dakota and destroyed multiple homes on June 20, 2025. (ChrisWx via Wikimedia Commons)

2025 Year in Review: Extreme Weather - January through June

Photos and videos from the Palisades Fire that started in the City of Los Angeles, January 8, 2025. (CAL FIRE_Official via Wikimedia Commons)

2025 Year in Review: Billion Dollar Disasters - The California Wildfires

Hurricane Erick at its peak intensity before making landfall on Guerrero, Mexico on June 19, 2025 (NOAA/Wikimedia Commons)

2025 Year in Review: Active Tropical Season for The Pacific

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide