Hourly Weather Forecast - McHenry, IL

12 AM
35°F
0%
11mph
NNE
Cloudy
Humidity
81%
Feels like
26°F
Dew Point
29°F
1 AM
34°F
0%
10mph
N
Mostly Cloudy
Humidity
82%
Feels like
26°F
Dew Point
29°F
2 AM
33°F
0%
10mph
N
Mostly Cloudy
Humidity
83%
Feels like
25°F
Dew Point
28°F
3 AM
32°F
0%
9mph
N
Partly Cloudy
Humidity
82%
Feels like
25°F
Dew Point
28°F
4 AM
32°F
0%
8mph
N
Partly Cloudy
Humidity
82%
Feels like
24°F
Dew Point
27°F
5 AM
31°F
0%
8mph
N
Partly Cloudy
Humidity
82%
Feels like
24°F
Dew Point
26°F
6 AM
30°F
0%
7mph
N
Partly Cloudy
Humidity
82%
Feels like
23°F
Dew Point
26°F
6:51 AM
7 AM
31°F
0%
7mph
N
Partly Cloudy
Humidity
80%
Feels like
24°F
Dew Point
25°F
8 AM
33°F
0%
7mph
N
Mostly Sunny
Humidity
74%
Feels like
26°F
Dew Point
25°F
9 AM
35°F
0%
8mph
N
Mostly Sunny
Humidity
66%
Feels like
29°F
Dew Point
25°F
10 AM
38°F
0%
8mph
N
Sunny
Humidity
59%
Feels like
33°F
Dew Point
25°F
11 AM
41°F
0%
8mph
N
Sunny
Humidity
54%
Feels like
35°F
Dew Point
25°F
12 PM
43°F
0%
8mph
NNW
Sunny
Humidity
50%
Feels like
38°F
Dew Point
25°F
1 PM
44°F
0%
8mph
NNW
Sunny
Humidity
46%
Feels like
39°F
Dew Point
25°F
2 PM
45°F
0%
8mph
NNW
Mostly Sunny
Humidity
45%
Feels like
40°F
Dew Point
24°F
3 PM
44°F
0%
7mph
NNW
Mostly Sunny
Humidity
43%
Feels like
40°F
Dew Point
24°F
4 PM
44°F
0%
6mph
N
Mostly Sunny
Humidity
44%
Feels like
40°F
Dew Point
23°F
5 PM
42°F
0%
5mph
N
Partly Cloudy
Humidity
46%
Feels like
39°F
Dew Point
23°F
6 PM
40°F
0%
4mph
NE
Partly Cloudy
Humidity
51%
Feels like
37°F
Dew Point
23°F
7 PM
37°F
0%
4mph
E
Partly Cloudy
Humidity
58%
Feels like
33°F
Dew Point
24°F
7:08 PM
8 PM
34°F
0%
5mph
E
Mostly Clear
Humidity
66%
Feels like
30°F
Dew Point
24°F
9 PM
32°F
0%
4mph
ESE
Partly Cloudy
Humidity
72%
Feels like
28°F
Dew Point
24°F
10 PM
31°F
0%
4mph
SE
Partly Cloudy
Humidity
75%
Feels like
27°F
Dew Point
24°F
11 PM
30°F
0%
4mph
SE
Partly Cloudy
Humidity
78%
Feels like
25°F
Dew Point
24°F

Today's High Temperature Outlook

Dangerous Heat Continues Across the Southwest

Dozens of record high temperatures will be challenged or shattered across the Southwest today.

Today's Weather Outlook

Today's Weather Outlook

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Weekend Weather Preview

Weekly Drought Map for March 19, 2026

Active Weather, Drought Improvements for Eastern Half; Drying Persists Elsewhere

Story image: WeatherBug user Pat S. captures a plant blooming in Columbia, Md., on February 24, 2017.

When Does Spring Begin?

(Image provided by Pixabay.com)

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