Hourly Weather Forecast - Janesville, IL

12 AM
40°F
0%
8mph
ENE
Mostly Cloudy
Humidity
54%
Feels like
34°F
Dew Point
25°F
1 AM
39°F
0%
8mph
ENE
Mostly Cloudy
Humidity
55%
Feels like
33°F
Dew Point
24°F
2 AM
38°F
0%
8mph
ENE
Mostly Cloudy
Humidity
56%
Feels like
33°F
Dew Point
24°F
3 AM
38°F
0%
7mph
ENE
Mostly Cloudy
Humidity
58%
Feels like
32°F
Dew Point
24°F
4 AM
37°F
0%
7mph
E
Partly Cloudy
Humidity
60%
Feels like
32°F
Dew Point
24°F
5 AM
36°F
0%
7mph
E
Partly Cloudy
Humidity
64%
Feels like
30°F
Dew Point
25°F
6 AM
35°F
0%
7mph
E
Partly Cloudy
Humidity
68%
Feels like
29°F
Dew Point
26°F
6:50 AM
7 AM
36°F
0%
7mph
ESE
Partly Cloudy
Humidity
69%
Feels like
30°F
Dew Point
26°F
8 AM
38°F
0%
8mph
SE
Mostly Sunny
Humidity
64%
Feels like
32°F
Dew Point
27°F
9 AM
42°F
0%
9mph
SE
Sunny
Humidity
58%
Feels like
37°F
Dew Point
28°F
10 AM
46°F
0%
9mph
SE
Sunny
Humidity
51%
Feels like
41°F
Dew Point
29°F
11 AM
49°F
0%
9mph
SSE
Mostly Sunny
Humidity
46%
Feels like
45°F
Dew Point
29°F
12 PM
53°F
0%
9mph
SSE
Partly Cloudy
Humidity
41%
Feels like
53°F
Dew Point
30°F
1 PM
55°F
0%
9mph
S
Mostly Cloudy
Humidity
38%
Feels like
55°F
Dew Point
30°F
2 PM
57°F
0%
8mph
S
Cloudy
Humidity
35%
Feels like
57°F
Dew Point
30°F
3 PM
58°F
0%
8mph
S
Cloudy
Humidity
34%
Feels like
58°F
Dew Point
30°F
4 PM
59°F
0%
7mph
SSE
Cloudy
Humidity
33%
Feels like
59°F
Dew Point
30°F
5 PM
58°F
0%
7mph
SSE
Mostly Cloudy
Humidity
35%
Feels like
58°F
Dew Point
31°F
6 PM
57°F
0%
6mph
SSE
Partly Cloudy
Humidity
38%
Feels like
57°F
Dew Point
31°F
7 PM
55°F
0%
6mph
SE
Partly Cloudy
Humidity
41%
Feels like
55°F
Dew Point
32°F
7:08 PM
8 PM
53°F
0%
6mph
SE
Partly Cloudy
Humidity
46%
Feels like
53°F
Dew Point
33°F
9 PM
51°F
0%
6mph
SE
Mostly Cloudy
Humidity
50%
Feels like
51°F
Dew Point
33°F
10 PM
50°F
0%
7mph
SE
Mostly Cloudy
Humidity
54%
Feels like
47°F
Dew Point
34°F
11 PM
49°F
0%
7mph
SE
Cloudy
Humidity
57%
Feels like
46°F
Dew Point
34°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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