Hourly Weather Forecast - McHenry, IL

12 AM
40°F
10%
6mph
N
Mostly Clear
Humidity
70%
Feels like
36°F
Dew Point
31°F
1 AM
38°F
10%
6mph
NNE
Partly Cloudy
Humidity
74%
Feels like
33°F
Dew Point
30°F
2 AM
36°F
10%
6mph
NNE
Partly Cloudy
Humidity
79%
Feels like
31°F
Dew Point
30°F
3 AM
34°F
10%
6mph
NNE
Partly Cloudy
Humidity
85%
Feels like
29°F
Dew Point
30°F
4 AM
33°F
10%
6mph
NE
Mostly Cloudy
Humidity
89%
Feels like
27°F
Dew Point
30°F
5 AM
31°F
10%
6mph
NE
Cloudy
Humidity
92%
Feels like
26°F
Dew Point
29°F
6 AM
31°F
10%
6mph
NE
Cloudy
Humidity
90%
Feels like
24°F
Dew Point
28°F
6:48 AM
7 AM
31°F
10%
6mph
NE
Cloudy
Humidity
85%
Feels like
25°F
Dew Point
27°F
8 AM
34°F
10%
7mph
NE
Cloudy
Humidity
77%
Feels like
28°F
Dew Point
27°F
9 AM
37°F
10%
8mph
ENE
Cloudy
Humidity
69%
Feels like
31°F
Dew Point
28°F
10 AM
40°F
10%
8mph
ENE
Mostly Cloudy
Humidity
63%
Feels like
34°F
Dew Point
28°F
11 AM
42°F
10%
9mph
ENE
Cloudy
Humidity
60%
Feels like
36°F
Dew Point
29°F
12 PM
43°F
10%
9mph
E
Cloudy
Humidity
58%
Feels like
38°F
Dew Point
29°F
1 PM
44°F
10%
9mph
E
Cloudy
Humidity
56%
Feels like
38°F
Dew Point
29°F
2 PM
44°F
10%
9mph
ESE
Mostly Cloudy
Humidity
55%
Feels like
38°F
Dew Point
29°F
3 PM
43°F
10%
9mph
ESE
Mostly Cloudy
Humidity
55%
Feels like
38°F
Dew Point
28°F
4 PM
42°F
10%
9mph
ESE
Mostly Cloudy
Humidity
57%
Feels like
37°F
Dew Point
28°F
5 PM
41°F
20%
9mph
ESE
Mostly Cloudy
Humidity
58%
Feels like
35°F
Dew Point
27°F
6 PM
39°F
20%
8mph
ESE
Cloudy
Humidity
58%
Feels like
34°F
Dew Point
26°F
7 PM
39°F
20%
8mph
ESE
Cloudy
Humidity
57%
Feels like
34°F
Dew Point
26°F
7:10 PM
8 PM
40°F
20%
7mph
ESE
Cloudy
Humidity
63%
Feels like
34°F
Dew Point
28°F
9 PM
40°F
20%
7mph
SE
Cloudy
Humidity
61%
Feels like
35°F
Dew Point
28°F
10 PM
40°F
30%
7mph
SE
30% Chance of Light Rain
Humidity
62%
Feels like
35°F
Dew Point
29°F
11 PM
41°F
30%
7mph
SE
30% Chance of Light Rain
Humidity
65%
Feels like
36°F
Dew Point
30°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.

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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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