Janesville 7-day weather forecast

Written by:
January 26, 2026
ESOlex // Shutterstock

Janesville 7-day weather forecast

Stacker created the forecast for Janesville, Wisconsin using data from OpenWeather. This week's high is 63 °F on Monday, while the low is 20 °F on Sunday. There are expected to be 2 sunny days, snow on 1 day, and 3 days of rain this week.

There are currently no weather alerts.

Monday, February 16

- High of 63 °F, low of 32 °F (61% humidity)
- Partly cloudy with a 0% chance of rain
- Moderate risk of harm from sun exposure (2 UV index)
- Moderate breeze (18 mph wind)
- Sunrise at 6:51 AM, sunset at 5:28 PM
1 / 6
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Tuesday, February 17

- High of 53 °F, low of 38 °F (74% humidity)
- Overcast with a 0% chance of rain
- Moderate breeze (16 mph wind)
- Sunrise at 6:50 AM, sunset at 5:30 PM
- New moon
2 / 6
Deborah Kolb // Shutterstock

Wednesday, February 18

- High of 57 °F, low of 42 °F (39% humidity)
- Sunny with a 100% chance of rain (5 mm of rain)
- Moderate risk of harm from sun exposure (2 UV index)
- Fresh breeze (22 mph wind)
- Sunrise at 6:49 AM, sunset at 5:31 PM
3 / 6
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Thursday, February 19

- High of 52 °F, low of 38 °F (40% humidity)
- Mostly cloudy with a 100% chance of rain (2 mm of rain)
- Moderate risk of harm from sun exposure (2 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 6:47 AM, sunset at 5:32 PM
4 / 6
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Friday, February 20

- High of 44 °F, low of 31 °F (68% humidity)
- Overcast with a 100% chance of rain (1 mm of rain)
- Moderate risk of harm from sun exposure (3 UV index)
- Fresh breeze (22 mph wind)
- Sunrise at 6:46 AM, sunset at 5:33 PM
5 / 6
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Saturday, February 21

- High of 38 °F, low of 26 °F (50% humidity)
- Sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (3 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 6:44 AM, sunset at 5:35 PM
6 / 6
Leonid Ikan // Shutterstock

Sunday, February 22

- High of 27 °F, low of 20 °F (51% humidity)
- Overcast with a 26% chance of snow (0 mm of snow)
- Moderate risk of harm from sun exposure (3 UV index)
- Fresh breeze (20 mph wind)
- Sunrise at 6:43 AM, sunset at 5:36 PM

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