Janesville, US-Wisconsin – Weather Tomorrow April 21
Tuesday, April 21
Night
01:00am – 07:00am
8°
9°
46°
48°
partly cloudy
SSW 19 km/h
12 mph
Morning
07:00am – 01:00pm
11°
21°
52°
70°
fair
SSW 18 km/h
11 mph
Afternoon
01:00pm – 07:00pm
20°
22°
68°
72°
mostly clear
WSW 15 km/h
10 mph
Evening
07:00pm – 01:00am
12°
16°
54°
61°
fair
WSW 8 km/h
5 mph
Weather Tomorrow – Summary
Tomorrow, on Tuesday morning fair, during the day mostly clear, evening fair. Temperature: 8° to 22°C46° to 72°F. Wind: 8 to 19 km/h5 to 12 mph.
Data source: MET Norway — Last updated: Apr 20, 2026, 05:16 UTC