Janesville 7-day weather forecast

Written by:
December 8, 2025
ESOlex // Shutterstock

Janesville 7-day weather forecast

Stacker created the forecast for Janesville, Wisconsin using data from OpenWeather. This week's high is 36 °F on Wednesday, while the low is -9 °F on Saturday. There are expected to be 0 sunny days, snow on 3 days, and 1 day of rain this week.

There are currently no weather alerts.

Monday, December 8

- High of 20 °F, low of -1 °F (90% humidity)
- Overcast with a 0% chance of snow
- Moderate breeze (14 mph wind)
- Sunrise at 7:14 AM, sunset at 4:22 PM
1 / 6
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Tuesday, December 9

- High of 33 °F, low of 18 °F (93% humidity)
- Overcast with a 100% chance of snow (6 mm of snow)
- Moderate breeze (17 mph wind)
- Sunrise at 7:14 AM, sunset at 4:22 PM
2 / 6
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Wednesday, December 10

- High of 36 °F, low of 8 °F (89% humidity)
- Overcast with a 100% chance of rain (6 mm of rain)
- Fresh breeze (22 mph wind)
- Sunrise at 7:15 AM, sunset at 4:22 PM
3 / 6
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Thursday, December 11

- High of 22 °F, low of 5 °F (90% humidity)
- Overcast with a 100% chance of snow (1 mm of snow)
- Light breeze (5 mph wind)
- Sunrise at 7:16 AM, sunset at 4:22 PM
- Last quarter moon
4 / 6
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Friday, December 12

- High of 15 °F, low of -4 °F (88% humidity)
- Overcast with a 98% chance of snow (0 mm of snow)
- Moderate breeze (16 mph wind)
- Sunrise at 7:17 AM, sunset at 4:22 PM
5 / 6
Leonid Ikan // Shutterstock

Saturday, December 13

- High of 3 °F, low of -9 °F (78% humidity)
- Overcast with a 0% chance of snow
- Gentle breeze (12 mph wind)
- Sunrise at 7:18 AM, sunset at 4:22 PM
6 / 6
Saijai Boonmak // Shutterstock

Sunday, December 14

- High of 9 °F, low of -4 °F (75% humidity)
- Partly cloudy with a 0% chance of snow
- Light breeze (5 mph wind)
- Sunrise at 7:18 AM, sunset at 4:22 PM

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