Hourly Weather Forecast - Grafton, IL

12 AM
33°F
0%
9mph
SE
Partly Cloudy
Humidity
65%
Feels like
25°F
Dew Point
22°F
1 AM
33°F
0%
9mph
SE
Partly Cloudy
Humidity
67%
Feels like
25°F
Dew Point
23°F
2 AM
32°F
0%
9mph
SE
Partly Cloudy
Humidity
68%
Feels like
25°F
Dew Point
23°F
3 AM
32°F
0%
9mph
SE
Partly Cloudy
Humidity
70%
Feels like
24°F
Dew Point
23°F
4 AM
32°F
0%
9mph
SE
Mostly Clear
Humidity
69%
Feels like
24°F
Dew Point
23°F
5 AM
32°F
0%
9mph
SSE
Clear
Humidity
69%
Feels like
24°F
Dew Point
23°F
6 AM
32°F
0%
9mph
SSE
Clear
Humidity
67%
Feels like
24°F
Dew Point
22°F
7 AM
34°F
0%
9mph
SSE
Mostly Clear
Humidity
62%
Feels like
26°F
Dew Point
22°F
7:17 AM
8 AM
37°F
0%
10mph
SSE
Partly Cloudy
Humidity
56%
Feels like
30°F
Dew Point
23°F
9 AM
40°F
0%
10mph
SSE
Partly Cloudy
Humidity
52%
Feels like
34°F
Dew Point
24°F
10 AM
43°F
0%
10mph
SSE
Mostly Cloudy
Humidity
50%
Feels like
37°F
Dew Point
25°F
11 AM
45°F
0%
9mph
SSE
Mostly Cloudy
Humidity
48%
Feels like
40°F
Dew Point
27°F
12 PM
47°F
0%
9mph
SSE
Mostly Cloudy
Humidity
49%
Feels like
42°F
Dew Point
28°F
1 PM
48°F
0%
9mph
S
Mostly Cloudy
Humidity
50%
Feels like
44°F
Dew Point
31°F
2 PM
49°F
0%
9mph
S
Mostly Cloudy
Humidity
55%
Feels like
46°F
Dew Point
34°F
3 PM
49°F
0%
8mph
S
Mostly Cloudy
Humidity
63%
Feels like
46°F
Dew Point
37°F
4 PM
48°F
0%
8mph
SSE
Partly Cloudy
Humidity
71%
Feels like
44°F
Dew Point
39°F
4:43 PM
5 PM
47°F
0%
9mph
SSE
Partly Cloudy
Humidity
79%
Feels like
43°F
Dew Point
41°F
6 PM
47°F
0%
9mph
SSE
Partly Cloudy
Humidity
80%
Feels like
42°F
Dew Point
41°F
7 PM
47°F
0%
9mph
S
Partly Cloudy
Humidity
82%
Feels like
43°F
Dew Point
42°F
8 PM
47°F
0%
9mph
S
Partly Cloudy
Humidity
85%
Feels like
43°F
Dew Point
43°F
9 PM
48°F
0%
9mph
S
Partly Cloudy
Humidity
87%
Feels like
44°F
Dew Point
44°F
10 PM
48°F
0%
9mph
SSW
Partly Cloudy
Humidity
88%
Feels like
44°F
Dew Point
44°F
11 PM
48°F
0%
8mph
SSW
Partly Cloudy
Humidity
87%
Feels like
44°F
Dew Point
45°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California later today into Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Weekend Weather Outlook

Weekend Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide