Janesville 7-day weather forecast

Written by:
March 23, 2026
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Janesville 7-day weather forecast

created the forecast for Janesville, Wisconsin using data from . This week's high is 83 掳F on Monday, while the low is 44 掳F on Saturday. There are expected to be 3 sunny days and rain on 3 days this week.

There are currently no weather alerts.

Monday, May 25

- High of 83 掳F, low of 56 掳F (54% humidity)
- Partly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 5:25 AM, sunset at 8:21 PM
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Tuesday, May 26

- High of 80 掳F, low of 58 掳F (55% humidity)
- Mostly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 5:24 AM, sunset at 8:22 PM
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Wednesday, May 27

- High of 82 掳F, low of 57 掳F (58% humidity)
- Overcast with a 100% chance of rain (3 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 5:23 AM, sunset at 8:23 PM
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Thursday, May 28

- High of 70 掳F, low of 51 掳F (54% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 5:23 AM, sunset at 8:23 PM
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Friday, May 29

- High of 75 掳F, low of 50 掳F (42% humidity)
- Overcast with a 68% chance of rain (1 mm of rain)
- Moderate breeze (16 mph wind)
- Sunrise at 5:22 AM, sunset at 8:24 PM
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Saturday, May 30

- High of 61 掳F, low of 44 掳F (56% humidity)
- Sunny with a 65% chance of rain (0 mm of rain)
- Fresh breeze (19 mph wind)
- Sunrise at 5:21 AM, sunset at 8:25 PM
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Sunday, May 31

- High of 66 掳F, low of 45 掳F (47% humidity)
- Sunny with a 0% chance of rain
- Moderate breeze (14 mph wind)
- Sunrise at 5:21 AM, sunset at 8:26 PM
- Full moon

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