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Janesville 7-day weather forecast
Stacker created the forecast for Janesville, Wisconsin using data from OpenWeather. This week's high is 92 °F on Monday, while the low is 66 °F on Sunday. There is expected to be 1 sunny day and rain on 7 days this week.
NWS Milwaukee/Sullivan WI has issued a heat advisory until Tuesday at 07:00 PM.
Monday, June 23
- High of 92 °F, low of 74 °F (66% humidity)- Sunny with a 100% chance of rain (1 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Moderate breeze (18 mph wind)
- Sunrise at 5:18 AM, sunset at 8:37 PM
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1 / 6
Zyabich // Shutterstock
Tuesday, June 24
- High of 83 °F, low of 67 °F (70% humidity)
- Overcast with a 100% chance of rain (23 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 5:18 AM, sunset at 8:38 PM
- Overcast with a 100% chance of rain (23 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 5:18 AM, sunset at 8:38 PM

2 / 6
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Wednesday, June 25
- High of 81 °F, low of 67 °F (83% humidity)
- Overcast with a 100% chance of rain (12 mm of rain)
- Very high risk of harm from sun exposure (9 UV index)
- Light breeze (7 mph wind)
- Sunrise at 5:19 AM, sunset at 8:38 PM
- New moon
- Overcast with a 100% chance of rain (12 mm of rain)
- Very high risk of harm from sun exposure (9 UV index)
- Light breeze (7 mph wind)
- Sunrise at 5:19 AM, sunset at 8:38 PM
- New moon

3 / 6
Alex Linch // Shutterstock
Thursday, June 26
- High of 86 °F, low of 69 °F (69% humidity)
- Overcast with a 100% chance of rain (3 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 5:19 AM, sunset at 8:38 PM
- Overcast with a 100% chance of rain (3 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 5:19 AM, sunset at 8:38 PM

4 / 6
South12th Photography // Shutterstock
Friday, June 27
- High of 84 °F, low of 71 °F (71% humidity)
- Partly sunny with a 100% chance of rain (4 mm of rain)
- Gentle breeze (11 mph wind)
- Sunrise at 5:20 AM, sunset at 8:38 PM
- Partly sunny with a 100% chance of rain (4 mm of rain)
- Gentle breeze (11 mph wind)
- Sunrise at 5:20 AM, sunset at 8:38 PM

5 / 6
Jaromir Chalabala // Shutterstock
Saturday, June 28
- High of 89 °F, low of 70 °F (69% humidity)
- Mostly cloudy with a 100% chance of rain (2 mm of rain)
- Moderate breeze (14 mph wind)
- Sunrise at 5:20 AM, sunset at 8:38 PM
- Mostly cloudy with a 100% chance of rain (2 mm of rain)
- Moderate breeze (14 mph wind)
- Sunrise at 5:20 AM, sunset at 8:38 PM
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6 / 6
GP PIXSTOCK // Shutterstock
Sunday, June 29
- High of 85 °F, low of 66 °F (66% humidity)
- Overcast with a 100% chance of rain (25 mm of rain)
- Light breeze (7 mph wind)
- Sunrise at 5:20 AM, sunset at 8:38 PM
- Overcast with a 100% chance of rain (25 mm of rain)
- Light breeze (7 mph wind)
- Sunrise at 5:20 AM, sunset at 8:38 PM