Janesville 7-day weather forecast

Written by:
June 8, 2026
ESOlex // Shutterstock

Janesville 7-day weather forecast

Stacker created the forecast for Janesville, Wisconsin using data from OpenWeather. This week's high is 74 °F on Monday, while the low is 47 °F on Friday. There are expected to be 2 sunny days and rain on 6 days this week.

There are currently no weather alerts.

Monday, June 15

- High of 74 °F, low of 50 °F (55% humidity)
- Sunny with a 100% chance of rain (1 mm of rain)
- Very high risk of harm from sun exposure (7 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 5:17 AM, sunset at 8:35 PM
1 / 6
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Tuesday, June 16

- High of 71 °F, low of 53 °F (75% humidity)
- Mostly cloudy with a 100% chance of rain (1 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Fresh breeze (20 mph wind)
- Sunrise at 5:17 AM, sunset at 8:36 PM
2 / 6
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Wednesday, June 17

- High of 60 °F, low of 51 °F (97% humidity)
- Overcast with a 100% chance of rain (51 mm of rain)
- Moderate breeze (16 mph wind)
- Sunrise at 5:17 AM, sunset at 8:36 PM
3 / 6
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Thursday, June 18

- High of 68 °F, low of 52 °F (63% humidity)
- Mostly cloudy with a 35% chance of rain (1 mm of rain)
- Very high risk of harm from sun exposure (7 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 5:17 AM, sunset at 8:36 PM
4 / 6
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Friday, June 19

- High of 63 °F, low of 47 °F (58% humidity)
- Sunny with a 82% chance of rain (1 mm of rain)
- Moderate breeze (17 mph wind)
- Sunrise at 5:17 AM, sunset at 8:37 PM
5 / 6
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Saturday, June 20

- High of 64 °F, low of 54 °F (89% humidity)
- Overcast with a 100% chance of rain (10 mm of rain)
- Light breeze (7 mph wind)
- Sunrise at 5:17 AM, sunset at 8:37 PM
6 / 6
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Sunday, June 21

- High of 68 °F, low of 53 °F (65% humidity)
- Partly cloudy with a 0% chance of rain
- Moderate breeze (16 mph wind)
- Sunrise at 5:18 AM, sunset at 8:37 PM
- First quarter moon

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