Janesville 7-day weather forecast

Written by:
April 28, 2025
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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 75 °F on Sunday, while the low is 38 °F on Friday. There are expected to be 3 sunny days and rain on 2 days this week.

There are currently no weather alerts.

Monday, May 5

- High of 63 °F, low of 47 °F (82% humidity)
- Mostly cloudy with a 0% chance of rain
- Moderate risk of harm from sun exposure (4 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 5:44 AM, sunset at 8:00 PM
1 / 6
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Tuesday, May 6

- High of 68 °F, low of 45 °F (61% humidity)
- Partly sunny with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 5:43 AM, sunset at 8:01 PM
2 / 6
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Wednesday, May 7

- High of 68 °F, low of 47 °F (67% humidity)
- Overcast with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 5:42 AM, sunset at 8:02 PM
3 / 6
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Thursday, May 8

- High of 58 °F, low of 41 °F (52% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 5:41 AM, sunset at 8:03 PM
4 / 6
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Friday, May 9

- High of 65 °F, low of 38 °F (37% humidity)
- Partly cloudy with a 0% chance of rain
- Light breeze (5 mph wind)
- Sunrise at 5:40 AM, sunset at 8:05 PM
5 / 6
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Saturday, May 10

- High of 73 °F, low of 47 °F (54% humidity)
- Fair with a 74% chance of rain (0 mm of rain)
- Gentle breeze (12 mph wind)
- Sunrise at 5:38 AM, sunset at 8:06 PM
6 / 6
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Sunday, May 11

- High of 75 °F, low of 56 °F (54% humidity)
- Fair with a 100% chance of rain (3 mm of rain)
- Moderate breeze (13 mph wind)
- Sunrise at 5:37 AM, sunset at 8:07 PM

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