Hourly Weather Forecast - McHenry, IL

12 AM
30°F
0%
4mph
SE
Mostly Cloudy
Humidity
79%
Feels like
25°F
Dew Point
24°F
1 AM
30°F
0%
4mph
SSE
Mostly Cloudy
Humidity
80%
Feels like
25°F
Dew Point
24°F
2 AM
30°F
0%
5mph
SSE
Mostly Cloudy
Humidity
79%
Feels like
25°F
Dew Point
24°F
3 AM
31°F
0%
5mph
SSE
Mostly Cloudy
Humidity
76%
Feels like
25°F
Dew Point
24°F
4 AM
31°F
0%
6mph
S
Mostly Cloudy
Humidity
74%
Feels like
25°F
Dew Point
24°F
5 AM
32°F
0%
6mph
S
Mostly Cloudy
Humidity
73%
Feels like
26°F
Dew Point
25°F
6 AM
33°F
0%
7mph
S
Mostly Cloudy
Humidity
72%
Feels like
27°F
Dew Point
25°F
6:49 AM
7 AM
34°F
0%
7mph
S
Mostly Cloudy
Humidity
70%
Feels like
28°F
Dew Point
26°F
8 AM
37°F
0%
8mph
S
Mostly Cloudy
Humidity
66%
Feels like
31°F
Dew Point
27°F
9 AM
41°F
10%
9mph
SSW
Partly Cloudy
Humidity
61%
Feels like
35°F
Dew Point
28°F
10 AM
45°F
10%
10mph
SSW
Partly Cloudy
Humidity
56%
Feels like
39°F
Dew Point
30°F
11 AM
48°F
10%
11mph
SSW
Partly Cloudy
Humidity
52%
Feels like
43°F
Dew Point
31°F
12 PM
51°F
10%
11mph
SW
Mostly Cloudy
Humidity
50%
Feels like
51°F
Dew Point
32°F
1 PM
53°F
10%
11mph
SW
Mostly Cloudy
Humidity
47%
Feels like
53°F
Dew Point
33°F
2 PM
54°F
10%
11mph
WSW
Partly Cloudy
Humidity
46%
Feels like
54°F
Dew Point
33°F
3 PM
54°F
10%
10mph
WSW
Partly Cloudy
Humidity
45%
Feels like
54°F
Dew Point
33°F
4 PM
53°F
10%
9mph
W
Partly Cloudy
Humidity
47%
Feels like
53°F
Dew Point
33°F
5 PM
52°F
10%
8mph
W
Mostly Sunny
Humidity
48%
Feels like
52°F
Dew Point
33°F
6 PM
51°F
10%
6mph
WNW
Mostly Sunny
Humidity
50%
Feels like
51°F
Dew Point
33°F
7 PM
50°F
10%
6mph
WNW
Mostly Sunny
Humidity
53%
Feels like
47°F
Dew Point
33°F
7:09 PM
8 PM
48°F
10%
6mph
NW
Mostly Clear
Humidity
56%
Feels like
46°F
Dew Point
33°F
9 PM
46°F
10%
6mph
NW
Clear
Humidity
61%
Feels like
43°F
Dew Point
33°F
10 PM
44°F
10%
6mph
NNW
Clear
Humidity
63%
Feels like
40°F
Dew Point
32°F
11 PM
42°F
10%
6mph
NNW
Clear
Humidity
66%
Feels like
38°F
Dew Point
31°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

Weekend Weather Preview

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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