Hourly Weather Forecast - Arlington Heights, IL

12 AM
32°F
0%
7mph
N
Partly Cloudy
Humidity
70%
Feels like
26°F
Dew Point
24°F
1 AM
32°F
0%
6mph
N
Partly Cloudy
Humidity
71%
Feels like
26°F
Dew Point
24°F
2 AM
32°F
0%
6mph
N
Partly Cloudy
Humidity
71%
Feels like
26°F
Dew Point
23°F
3 AM
31°F
0%
5mph
N
Mostly Clear
Humidity
70%
Feels like
26°F
Dew Point
23°F
4 AM
30°F
0%
5mph
N
Mostly Clear
Humidity
70%
Feels like
25°F
Dew Point
22°F
5 AM
29°F
0%
4mph
N
Clear
Humidity
70%
Feels like
25°F
Dew Point
21°F
6 AM
29°F
0%
4mph
N
Clear
Humidity
72%
Feels like
25°F
Dew Point
21°F
6:50 AM
7 AM
29°F
0%
3mph
N
Sunny
Humidity
69%
Feels like
29°F
Dew Point
20°F
8 AM
31°F
0%
3mph
N
Sunny
Humidity
65%
Feels like
31°F
Dew Point
21°F
9 AM
34°F
0%
3mph
N
Sunny
Humidity
57%
Feels like
32°F
Dew Point
21°F
10 AM
38°F
0%
4mph
N
Sunny
Humidity
53%
Feels like
35°F
Dew Point
22°F
11 AM
40°F
0%
3mph
N
Sunny
Humidity
47%
Feels like
38°F
Dew Point
22°F
12 PM
43°F
0%
3mph
N
Sunny
Humidity
43%
Feels like
43°F
Dew Point
22°F
1 PM
44°F
0%
2mph
N
Mostly Sunny
Humidity
42%
Feels like
44°F
Dew Point
22°F
2 PM
44°F
0%
2mph
NNE
Partly Cloudy
Humidity
41%
Feels like
44°F
Dew Point
22°F
3 PM
44°F
0%
3mph
NNE
Partly Cloudy
Humidity
42%
Feels like
44°F
Dew Point
22°F
4 PM
43°F
0%
3mph
NE
Partly Cloudy
Humidity
42%
Feels like
43°F
Dew Point
21°F
5 PM
40°F
0%
3mph
ENE
Partly Cloudy
Humidity
45%
Feels like
40°F
Dew Point
21°F
6 PM
38°F
0%
3mph
ENE
Partly Cloudy
Humidity
47%
Feels like
38°F
Dew Point
20°F
7 PM
35°F
0%
3mph
E
Partly Cloudy
Humidity
52%
Feels like
33°F
Dew Point
19°F
7:07 PM
8 PM
33°F
0%
3mph
E
Mostly Clear
Humidity
57%
Feels like
33°F
Dew Point
20°F
9 PM
32°F
0%
2mph
ESE
Partly Cloudy
Humidity
62%
Feels like
32°F
Dew Point
21°F
10 PM
31°F
0%
2mph
ESE
Partly Cloudy
Humidity
63%
Feels like
31°F
Dew Point
20°F
11 PM
31°F
0%
2mph
SE
Partly Cloudy
Humidity
65%
Feels like
31°F
Dew Point
21°F

Saturday's High Temperature Outlook

Scorching Heat Continues Across the Southwest

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

Weekend Weather Outlook

Weekend Weather Outlook

Weekly Drought Map for March 19, 2026

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

(Image provided by Pixabay.com)

Lightning Safety

A tree knocked over after a storm produced high winds. (provided by PublicDomainPictures via Pixabay.com)

Strong Winds in the Springtime

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

When Does Spring Begin?

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