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 63 °F on Saturday, while the low is 21 °F on Monday. There is expected to be 1 sunny day and rain on 4 days this week.

There are currently no weather alerts.

Monday, March 2

- High of 43 °F, low of 21 °F (29% humidity)
- Fair with a 0% chance of rain
- Moderate risk of harm from sun exposure (3 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 6:30 AM, sunset at 5:46 PM
1 / 6
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Tuesday, March 3

- High of 45 °F, low of 32 °F (64% humidity)
- Overcast with a 0% chance of rain
- Gentle breeze (8 mph wind)
- Sunrise at 6:28 AM, sunset at 5:47 PM
- Full moon
2 / 6
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Wednesday, March 4

- High of 42 °F, low of 33 °F (79% humidity)
- Overcast with a 100% chance of rain (1 mm of rain)
- Gentle breeze (12 mph wind)
- Sunrise at 6:27 AM, sunset at 5:48 PM
3 / 6
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Thursday, March 5

- High of 43 °F, low of 39 °F (95% humidity)
- Overcast with a 100% chance of rain (25 mm of rain)
- Gentle breeze (10 mph wind)
- Sunrise at 6:25 AM, sunset at 5:50 PM
4 / 6
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Friday, March 6

- High of 53 °F, low of 39 °F (94% humidity)
- Overcast with a 100% chance of rain (9 mm of rain)
- Moderate breeze (13 mph wind)
- Sunrise at 6:23 AM, sunset at 5:51 PM
5 / 6
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Saturday, March 7

- High of 63 °F, low of 42 °F (78% humidity)
- Overcast with a 100% chance of rain (8 mm of rain)
- Fresh breeze (21 mph wind)
- Sunrise at 6:21 AM, sunset at 5:52 PM
6 / 6
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Sunday, March 8

- High of 53 °F, low of 37 °F (57% humidity)
- Mostly cloudy with a 0% chance of rain
- Gentle breeze (12 mph wind)
- Sunrise at 6:20 AM, sunset at 5:53 PM

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