Janesville 7-day weather forecast

Written by:
January 26, 2026
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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 49 °F on Sunday, while the low is 22 °F on Monday. There are expected to be 2 sunny days and snow on 1 day this week.

There are currently no weather alerts.

Monday, February 9

- High of 36 °F, low of 22 °F (71% humidity)
- Overcast with a 0% chance of rain
- Moderate risk of harm from sun exposure (2 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 7:01 AM, sunset at 5:19 PM
- Last quarter moon
1 / 6
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Tuesday, February 10

- High of 38 °F, low of 29 °F (70% humidity)
- Mostly cloudy with a 0% chance of rain
- Moderate risk of harm from sun exposure (2 UV index)
- Moderate breeze (18 mph wind)
- Sunrise at 6:59 AM, sunset at 5:20 PM
2 / 6
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Wednesday, February 11

- High of 35 °F, low of 24 °F (55% humidity)
- Sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (2 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 6:58 AM, sunset at 5:22 PM
3 / 6
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Thursday, February 12

- High of 31 °F, low of 25 °F (61% humidity)
- Overcast with a 0% chance of snow
- Light breeze (7 mph wind)
- Sunrise at 6:57 AM, sunset at 5:23 PM
4 / 6
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Friday, February 13

- High of 38 °F, low of 27 °F (65% humidity)
- Mostly cloudy with a 0% chance of rain
- Gentle breeze (8 mph wind)
- Sunrise at 6:56 AM, sunset at 5:24 PM
5 / 6
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Saturday, February 14

- High of 38 °F, low of 30 °F (71% humidity)
- Overcast with a 20% chance of snow (0 mm of snow)
- Light breeze (6 mph wind)
- Sunrise at 6:54 AM, sunset at 5:26 PM
6 / 6
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Sunday, February 15

- High of 49 °F, low of 31 °F (64% humidity)
- Mostly sunny with a 0% chance of rain
- Gentle breeze (9 mph wind)
- Sunrise at 6:53 AM, sunset at 5:27 PM

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