Hourly Weather Forecast - Arlington Heights, IL

12 AM
31°F
0%
2mph
SE
Partly Cloudy
Humidity
66%
Feels like
31°F
Dew Point
21°F
1 AM
31°F
0%
2mph
SSE
Mostly Cloudy
Humidity
68%
Feels like
31°F
Dew Point
21°F
2 AM
31°F
0%
2mph
SSE
Mostly Cloudy
Humidity
67%
Feels like
31°F
Dew Point
21°F
3 AM
31°F
0%
2mph
SSE
Mostly Cloudy
Humidity
66%
Feels like
31°F
Dew Point
21°F
4 AM
31°F
0%
2mph
S
Mostly Cloudy
Humidity
65%
Feels like
31°F
Dew Point
20°F
5 AM
31°F
0%
2mph
S
Mostly Cloudy
Humidity
62%
Feels like
31°F
Dew Point
19°F
6 AM
31°F
0%
3mph
S
Mostly Cloudy
Humidity
61%
Feels like
31°F
Dew Point
19°F
6:48 AM
7 AM
33°F
0%
3mph
S
Mostly Cloudy
Humidity
57%
Feels like
30°F
Dew Point
19°F
8 AM
35°F
0%
4mph
S
Mostly Cloudy
Humidity
58%
Feels like
32°F
Dew Point
22°F
9 AM
39°F
0%
4mph
S
Mostly Cloudy
Humidity
53%
Feels like
36°F
Dew Point
23°F
10 AM
43°F
0%
5mph
SSW
Mostly Cloudy
Humidity
51%
Feels like
40°F
Dew Point
26°F
11 AM
46°F
0%
5mph
SSW
Cloudy
Humidity
46%
Feels like
44°F
Dew Point
26°F
12 PM
49°F
0%
5mph
SSW
Cloudy
Humidity
43%
Feels like
47°F
Dew Point
27°F
1 PM
51°F
0%
5mph
SSW
Cloudy
Humidity
42%
Feels like
51°F
Dew Point
28°F
2 PM
52°F
0%
5mph
SW
Cloudy
Humidity
41%
Feels like
52°F
Dew Point
29°F
3 PM
52°F
0%
4mph
SW
Cloudy
Humidity
41%
Feels like
52°F
Dew Point
29°F
4 PM
52°F
0%
4mph
SW
Mostly Cloudy
Humidity
40%
Feels like
52°F
Dew Point
29°F
5 PM
51°F
0%
3mph
SW
Partly Cloudy
Humidity
42%
Feels like
51°F
Dew Point
29°F
6 PM
51°F
0%
2mph
SW
Partly Cloudy
Humidity
43%
Feels like
51°F
Dew Point
30°F
7 PM
50°F
10%
2mph
SW
Mostly Sunny
Humidity
48%
Feels like
50°F
Dew Point
31°F
7:08 PM
8 PM
49°F
10%
2mph
SW
Mostly Clear
Humidity
51%
Feels like
49°F
Dew Point
32°F
9 PM
47°F
10%
2mph
SSW
Partly Cloudy
Humidity
56%
Feels like
47°F
Dew Point
32°F
10 PM
46°F
10%
2mph
SSW
Partly Cloudy
Humidity
59%
Feels like
46°F
Dew Point
32°F
11 PM
45°F
10%
2mph
S
Partly Cloudy
Humidity
63%
Feels like
45°F
Dew Point
33°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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