Hourly Weather Forecast - Janesville, IL

8 AM
50°F
0%
7mph
E
Mostly Sunny
Humidity
79%
Feels like
50°F
Dew Point
44°F
9 AM
54°F
0%
7mph
ESE
Mostly Sunny
Humidity
69%
Feels like
54°F
Dew Point
45°F
10 AM
59°F
0%
8mph
ESE
Mostly Sunny
Humidity
61%
Feels like
59°F
Dew Point
45°F
11 AM
64°F
0%
8mph
SE
Sunny
Humidity
53%
Feels like
64°F
Dew Point
46°F
12 PM
68°F
0%
8mph
SSE
Sunny
Humidity
46%
Feels like
68°F
Dew Point
47°F
1 PM
72°F
0%
8mph
SSE
Sunny
Humidity
42%
Feels like
72°F
Dew Point
47°F
2 PM
75°F
0%
8mph
S
Sunny
Humidity
39%
Feels like
75°F
Dew Point
48°F
3 PM
77°F
0%
9mph
SSW
Sunny
Humidity
37%
Feels like
77°F
Dew Point
49°F
4 PM
78°F
0%
9mph
SSW
Sunny
Humidity
38%
Feels like
78°F
Dew Point
50°F
5 PM
77°F
0%
9mph
SSW
Sunny
Humidity
40%
Feels like
77°F
Dew Point
50°F
6 PM
75°F
0%
9mph
SSW
Sunny
Humidity
43%
Feels like
75°F
Dew Point
51°F
7 PM
72°F
0%
8mph
SSW
Sunny
Humidity
48%
Feels like
72°F
Dew Point
51°F
7:05 PM
8 PM
70°F
0%
9mph
SSW
Clear
Humidity
53%
Feels like
70°F
Dew Point
52°F
9 PM
67°F
0%
9mph
SSW
Clear
Humidity
59%
Feels like
67°F
Dew Point
52°F
10 PM
65°F
0%
10mph
SSW
Clear
Humidity
65%
Feels like
65°F
Dew Point
53°F
11 PM
65°F
0%
11mph
SSW
Clear
Humidity
69%
Feels like
65°F
Dew Point
54°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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