Hourly Weather Forecast - Markham, IL

12 AM
40°F
20%
2mph
S
Partly Cloudy
Humidity
66%
Feels like
40°F
Dew Point
30°F
1 AM
39°F
20%
3mph
SSW
Mostly Cloudy
Humidity
69%
Feels like
39°F
Dew Point
30°F
2 AM
38°F
10%
3mph
SSW
Mostly Cloudy
Humidity
72%
Feels like
38°F
Dew Point
30°F
3 AM
37°F
10%
3mph
NE
Cloudy
Humidity
76%
Feels like
37°F
Dew Point
30°F
4 AM
36°F
10%
3mph
NE
Cloudy
Humidity
79%
Feels like
36°F
Dew Point
30°F
5 AM
36°F
10%
3mph
NE
Cloudy
Humidity
82%
Feels like
36°F
Dew Point
31°F
6 AM
36°F
10%
3mph
NE
Cloudy
Humidity
83%
Feels like
36°F
Dew Point
31°F
6:45 AM
7 AM
36°F
10%
3mph
NE
Cloudy
Humidity
82%
Feels like
36°F
Dew Point
31°F
8 AM
38°F
10%
4mph
ENE
Cloudy
Humidity
72%
Feels like
35°F
Dew Point
29°F
9 AM
40°F
10%
4mph
ENE
Cloudy
Humidity
68%
Feels like
37°F
Dew Point
30°F
10 AM
43°F
10%
4mph
E
Cloudy
Humidity
63%
Feels like
40°F
Dew Point
31°F
11 AM
45°F
10%
5mph
E
Mostly Cloudy
Humidity
56%
Feels like
42°F
Dew Point
30°F
12 PM
47°F
10%
6mph
E
Mostly Cloudy
Humidity
51%
Feels like
44°F
Dew Point
30°F
1 PM
48°F
10%
6mph
ESE
Mostly Cloudy
Humidity
48%
Feels like
45°F
Dew Point
29°F
2 PM
49°F
10%
6mph
ESE
Mostly Cloudy
Humidity
47%
Feels like
46°F
Dew Point
30°F
3 PM
49°F
10%
6mph
ESE
Mostly Cloudy
Humidity
46%
Feels like
47°F
Dew Point
30°F
4 PM
49°F
10%
6mph
ESE
Partly Cloudy
Humidity
47%
Feels like
47°F
Dew Point
30°F
5 PM
49°F
10%
6mph
ESE
Mostly Cloudy
Humidity
50%
Feels like
46°F
Dew Point
31°F
6 PM
46°F
10%
6mph
SE
Mostly Cloudy
Humidity
57%
Feels like
44°F
Dew Point
32°F
7 PM
45°F
10%
5mph
SE
Mostly Cloudy
Humidity
63%
Feels like
42°F
Dew Point
33°F
7:08 PM
8 PM
44°F
10%
5mph
SE
Mostly Cloudy
Humidity
67%
Feels like
41°F
Dew Point
34°F
9 PM
44°F
20%
5mph
SSE
Cloudy
Humidity
69%
Feels like
41°F
Dew Point
35°F
10 PM
44°F
20%
5mph
SSE
Cloudy
Humidity
72%
Feels like
41°F
Dew Point
35°F
11 PM
43°F
20%
5mph
SSE
Cloudy
Humidity
75%
Feels like
40°F
Dew Point
36°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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Today's Weather Outlook

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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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