The Janesville long range forecast shows a slight warming trend, with temperatures gently rising above the seasonal average, 0.2° comparing to the historical average.
Select a month and click on a day for more information:
Wednesday
May 1
12° / 8°
Thursday
May 2
14° / 6°
Friday
May 3
13° / 5°
Saturday
May 4
17° / 5°
Sunday
May 5
17° / 6°
Monday
May 6
18° / 7°
Tuesday
May 7
25° / 11°
Wednesday
May 8
20° / 10°
Thursday
May 9
19° / 10°
Friday
May 10
23° / 10°
Saturday
May 11
24° / 14°
Sunday
May 12
25° / 14°
Monday
May 13
23° / 14°
Tuesday
May 14
12° / 9°
Wednesday
May 15
19° / 6°
Thursday
May 16
22° / 8°
Friday
May 17
22° / 15°
Saturday
May 18
19° / 13°
Sunday
May 19
21° / 13°
Monday
May 20
22° / 10°
Tuesday
May 21
20° / 13°
Wednesday
May 22
21° / 11°
Thursday
May 23
23° / 14°
Friday
May 24
19° / 12°
Saturday
May 25
20° / 12°
Sunday
May 26
18° / 13°
Monday
May 27
25° / 12°
Tuesday
May 28
24° / 10°
Wednesday
May 29
26° / 14°
Thursday
May 30
30° / 16°
Friday
May 31
28° / 17°
Janesville 30 days weather forecast
Check out our estimated 30 days weather forecast for Janesville, this data is based on the average weather in Janesville in the last few years.
For a more accurate and detailed forecast, check out the 14 day weather for Janesville next to the desired date.