Janesville 7-day weather forecast

Written by:
June 8, 2026
ESOlex // Shutterstock

Janesville 7-day weather forecast

created the forecast for Janesville, Wisconsin using data from . This week's high is 86 掳F on Sunday, while the low is 61 掳F on Monday. There are expected to be 4 sunny days and rain on 2 days this week.

There are currently no weather alerts.

Monday, August 3

- High of 83 掳F, low of 61 掳F (58% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Light breeze (7 mph wind)
- Sunrise at 5:49 AM, sunset at 8:14 PM
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Tuesday, August 4

- High of 84 掳F, low of 66 掳F (64% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 5:50 AM, sunset at 8:13 PM
2 / 6
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Wednesday, August 5

- High of 78 掳F, low of 64 掳F (81% humidity)
- Overcast with a 100% chance of rain (66 mm of rain)
- High risk of harm from sun exposure (5 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 5:51 AM, sunset at 8:12 PM
- Last quarter moon
3 / 6
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Thursday, August 6

- High of 77 掳F, low of 63 掳F (69% humidity)
- Partly cloudy with a 80% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Light breeze (6 mph wind)
- Sunrise at 5:52 AM, sunset at 8:10 PM
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Friday, August 7

- High of 80 掳F, low of 61 掳F (62% humidity)
- Sunny with a 0% chance of rain
- Light breeze (4 mph wind)
- Sunrise at 5:54 AM, sunset at 8:09 PM
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Saturday, August 8

- High of 83 掳F, low of 63 掳F (63% humidity)
- Sunny with a 0% chance of rain
- Moderate breeze (13 mph wind)
- Sunrise at 5:55 AM, sunset at 8:08 PM
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IKO-studio // Shutterstock

Sunday, August 9

- High of 86 掳F, low of 71 掳F (70% humidity)
- Partly cloudy with a 0% chance of rain
- Moderate breeze (18 mph wind)
- Sunrise at 5:56 AM, sunset at 8:07 PM

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