Janesville 7-day weather forecast

Written by:
March 23, 2026
ESOlex // Shutterstock

Janesville 7-day weather forecast

created the forecast for Janesville, Wisconsin using data from . This week's high is 76 掳F on Tuesday, while the low is 26 掳F on Sunday. There is expected to be 1 sunny day and rain on 5 days this week.

There are currently no weather alerts.

Monday, April 13

- High of 73 掳F, low of 61 掳F (82% humidity)
- Overcast with a 100% chance of rain (2 mm of rain)
- Moderate risk of harm from sun exposure (3 UV index)
- Fresh breeze (20 mph wind)
- Sunrise at 6:17 AM, sunset at 7:35 PM
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Jaromir Chalabala // Shutterstock

Tuesday, April 14

- High of 76 掳F, low of 60 掳F (83% humidity)
- Overcast with a 100% chance of rain (11 mm of rain)
- Moderate risk of harm from sun exposure (3 UV index)
- Fresh breeze (21 mph wind)
- Sunrise at 6:16 AM, sunset at 7:36 PM
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Leszek Glasner // Shutterstock

Wednesday, April 15

- High of 71 掳F, low of 59 掳F (82% humidity)
- Overcast with a 100% chance of rain (13 mm of rain)
- Fresh breeze (21 mph wind)
- Sunrise at 6:14 AM, sunset at 7:37 PM
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Thursday, April 16

- High of 71 掳F, low of 55 掳F (59% humidity)
- Fair with a 0% chance of rain
- High risk of harm from sun exposure (5 UV index)
- Fresh breeze (20 mph wind)
- Sunrise at 6:12 AM, sunset at 7:38 PM
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Friday, April 17

- High of 73 掳F, low of 54 掳F (65% humidity)
- Overcast with a 100% chance of rain (2 mm of rain)
- Fresh breeze (20 mph wind)
- Sunrise at 6:11 AM, sunset at 7:39 PM
- New moon
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Nataliia K // Shutterstock

Saturday, April 18

- High of 67 掳F, low of 44 掳F (52% humidity)
- Partly sunny with a 100% chance of rain (5 mm of rain)
- Fresh breeze (23 mph wind)
- Sunrise at 6:09 AM, sunset at 7:40 PM
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1981 Rustic Studio kan // Shutterstock

Sunday, April 19

- High of 47 掳F, low of 26 掳F (38% humidity)
- Partly cloudy with a 0% chance of rain
- Strong breeze (25 mph wind)
- Sunrise at 6:08 AM, sunset at 7:41 PM

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