Hourly Weather Forecast - Janesville, IL

12 AM
41°F
10%
18mph
N
Partly Cloudy
Humidity
65%
Feels like
33°F
Dew Point
30°F
1 AM
40°F
0%
17mph
N
Partly Cloudy
Humidity
65%
Feels like
31°F
Dew Point
29°F
2 AM
38°F
0%
16mph
N
Partly Cloudy
Humidity
66%
Feels like
29°F
Dew Point
28°F
3 AM
37°F
0%
16mph
N
Partly Cloudy
Humidity
68%
Feels like
28°F
Dew Point
28°F
4 AM
36°F
0%
15mph
N
Mostly Cloudy
Humidity
70%
Feels like
27°F
Dew Point
27°F
5 AM
35°F
0%
14mph
N
Partly Cloudy
Humidity
73%
Feels like
26°F
Dew Point
27°F
6 AM
34°F
0%
13mph
N
Partly Cloudy
Humidity
76%
Feels like
25°F
Dew Point
27°F
6:52 AM
7 AM
34°F
0%
13mph
N
Partly Cloudy
Humidity
75%
Feels like
25°F
Dew Point
27°F
8 AM
35°F
0%
12mph
N
Partly Cloudy
Humidity
72%
Feels like
27°F
Dew Point
27°F
9 AM
38°F
0%
12mph
NNE
Partly Cloudy
Humidity
66%
Feels like
30°F
Dew Point
28°F
10 AM
40°F
0%
12mph
NNE
Partly Cloudy
Humidity
60%
Feels like
33°F
Dew Point
28°F
11 AM
43°F
0%
12mph
NNE
Partly Cloudy
Humidity
54%
Feels like
36°F
Dew Point
28°F
12 PM
46°F
0%
11mph
N
Mostly Cloudy
Humidity
48%
Feels like
40°F
Dew Point
27°F
1 PM
48°F
0%
11mph
N
Cloudy
Humidity
44%
Feels like
43°F
Dew Point
27°F
2 PM
50°F
0%
11mph
N
Mostly Cloudy
Humidity
40%
Feels like
45°F
Dew Point
26°F
3 PM
51°F
0%
11mph
N
Partly Cloudy
Humidity
38%
Feels like
51°F
Dew Point
26°F
4 PM
51°F
0%
11mph
NNE
Sunny
Humidity
37%
Feels like
51°F
Dew Point
26°F
5 PM
51°F
0%
10mph
NNE
Sunny
Humidity
37%
Feels like
51°F
Dew Point
25°F
6 PM
49°F
0%
9mph
NNE
Mostly Sunny
Humidity
39%
Feels like
45°F
Dew Point
25°F
7 PM
47°F
0%
8mph
NE
Partly Cloudy
Humidity
41%
Feels like
43°F
Dew Point
25°F
7:07 PM
8 PM
45°F
0%
8mph
NE
Partly Cloudy
Humidity
45%
Feels like
41°F
Dew Point
25°F
9 PM
43°F
0%
8mph
NE
Partly Cloudy
Humidity
48%
Feels like
39°F
Dew Point
25°F
10 PM
42°F
0%
8mph
NE
Partly Cloudy
Humidity
51%
Feels like
37°F
Dew Point
25°F
11 PM
41°F
0%
8mph
ENE
Mostly Cloudy
Humidity
53%
Feels like
35°F
Dew Point
25°F

Today's High Temperature Outlook

Early Spring Heat Wave Zaps Southwest

Much of the Southwest will observe record-breaking heat through the weekend, with high temperatures reminiscent of mid-summer!

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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