Hourly Weather Forecast - McHenry, IL

12 AM
40°F
10%
2mph
ENE
Mostly Cloudy
Humidity
89%
Feels like
40°F
Dew Point
37°F
1 AM
39°F
10%
2mph
ENE
Mostly Cloudy
Humidity
92%
Feels like
39°F
Dew Point
37°F
2 AM
38°F
10%
2mph
E
Partly Cloudy
Humidity
94%
Feels like
38°F
Dew Point
36°F
3 AM
37°F
0%
2mph
E
Partly Cloudy
Humidity
94%
Feels like
37°F
Dew Point
35°F
4 AM
37°F
0%
2mph
E
Mostly Cloudy
Humidity
93%
Feels like
37°F
Dew Point
35°F
5 AM
36°F
0%
2mph
E
Cloudy
Humidity
95%
Feels like
36°F
Dew Point
35°F
6 AM
36°F
0%
2mph
ESE
Mostly Cloudy
Humidity
94%
Feels like
36°F
Dew Point
34°F
6:55 AM
7 AM
37°F
0%
3mph
ESE
Mostly Cloudy
Humidity
92%
Feels like
35°F
Dew Point
35°F
8 AM
40°F
0%
4mph
SE
Mostly Cloudy
Humidity
85%
Feels like
37°F
Dew Point
36°F
9 AM
44°F
0%
5mph
SE
Mostly Cloudy
Humidity
77%
Feels like
41°F
Dew Point
37°F
10 AM
49°F
0%
6mph
SSE
Partly Cloudy
Humidity
69%
Feels like
46°F
Dew Point
39°F
11 AM
54°F
0%
7mph
SSE
Partly Cloudy
Humidity
61%
Feels like
54°F
Dew Point
41°F
12 PM
58°F
10%
9mph
S
Mostly Sunny
Humidity
57%
Feels like
58°F
Dew Point
43°F
1 PM
62°F
0%
11mph
SSW
Sunny
Humidity
53%
Feels like
62°F
Dew Point
45°F
2 PM
65°F
0%
12mph
SSW
Sunny
Humidity
50%
Feels like
65°F
Dew Point
46°F
3 PM
67°F
0%
12mph
SSW
Sunny
Humidity
49%
Feels like
67°F
Dew Point
47°F
4 PM
68°F
0%
12mph
SSW
Sunny
Humidity
49%
Feels like
68°F
Dew Point
49°F
5 PM
69°F
0%
11mph
SSW
Sunny
Humidity
50%
Feels like
69°F
Dew Point
49°F
6 PM
65°F
0%
10mph
SSW
Mostly Sunny
Humidity
57%
Feels like
65°F
Dew Point
50°F
7 PM
62°F
0%
9mph
SSW
Mostly Sunny
Humidity
68%
Feels like
62°F
Dew Point
51°F
7:06 PM
8 PM
58°F
0%
9mph
SW
Mostly Clear
Humidity
76%
Feels like
58°F
Dew Point
51°F
9 PM
58°F
0%
9mph
SW
Mostly Clear
Humidity
79%
Feels like
58°F
Dew Point
51°F
10 PM
58°F
0%
9mph
SW
Partly Cloudy
Humidity
80%
Feels like
58°F
Dew Point
52°F
11 PM
57°F
0%
9mph
SW
Mostly Clear
Humidity
80%
Feels like
57°F
Dew Point
51°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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