Janesville 7-day weather forecast

Written by:
January 26, 2026
ESOlex // Shutterstock

Janesville 7-day weather forecast

created the forecast for Janesville, Wisconsin using data from . This week's high is 33 掳F on Friday, while the low is 2 掳F on Saturday. There are expected to be 3 sunny days and snow on 1 day this week.

NWS Milwaukee/Sullivan WI has issued a special weather statement until Monday at 04:00 AM.

Monday, February 2

- High of 28 掳F, low of 10 掳F (80% humidity)
- Partly cloudy with a 0% chance of snow
- Moderate risk of harm from sun exposure (2 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 7:09 AM, sunset at 5:10 PM
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Tuesday, February 3

- High of 20 掳F, low of 4 掳F (74% humidity)
- Fair with a 0% chance of snow
- Moderate risk of harm from sun exposure (2 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 7:08 AM, sunset at 5:11 PM
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Wednesday, February 4

- High of 22 掳F, low of 3 掳F (78% humidity)
- Partly cloudy with a 0% chance of snow
- Moderate risk of harm from sun exposure (2 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 7:07 AM, sunset at 5:12 PM
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Thursday, February 5

- High of 30 掳F, low of 12 掳F (76% humidity)
- Partly cloudy with a 0% chance of snow
- Moderate risk of harm from sun exposure (2 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 7:06 AM, sunset at 5:14 PM
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Friday, February 6

- High of 33 掳F, low of 8 掳F (71% humidity)
- Mostly cloudy with a 20% chance of snow (0 mm of snow)
- Moderate risk of harm from sun exposure (3 UV index)
- Fresh breeze (22 mph wind)
- Sunrise at 7:04 AM, sunset at 5:15 PM
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Saturday, February 7

- High of 13 掳F, low of 2 掳F (61% humidity)
- Sunny with a 0% chance of snow
- Moderate risk of harm from sun exposure (3 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 7:03 AM, sunset at 5:16 PM
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Leonid Ikan // Shutterstock

Sunday, February 8

- High of 19 掳F, low of 2 掳F (50% humidity)
- Fair with a 0% chance of snow
- Moderate risk of harm from sun exposure (3 UV index)
- Light breeze (7 mph wind)
- Sunrise at 7:02 AM, sunset at 5:18 PM

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