Weather Tomorrow in Janesville, WI
Thursday, April 9, 2026
Clear
Precip chance
89%
Wind
0-15 mph
Humidity
65%
Feels like
57–46°F
Rain forecast
Rain likely starts around 5 AM and may continue until 4 AM. Peak chance: 89% around 5 AM.
Data source: National Weather Service (NOAA) · Updated just now
Tomorrow by Hour
44°Temperature trend59°
| Time | Temp | Condition | Rain % | Wind | ||
|---|---|---|---|---|---|---|
| 5 AM☽ | 57°F | Showers And Thunderstorms | 89% | 15 mph SW | ||
| 6 AM☽ | 55°F | Rain Showers Likely | 55% | 10 mph W | ||
| 7 AM☽ | 53°F | Rain Showers Likely | 61% | 10 mph W | ||
| 8 AM☽ | 51°F | Chance Rain Showers | 28% | 10 mph SW | ||
| 9 AM☽ | 49°F | Mostly Cloudy | 7% | 5 mph SW | ||
| 10 AM☽ | 47°F | Partly Cloudy | 1% | 5 mph SW | ||
| 11 AM | 46°F | Mostly Sunny | 1% | 5 mph W | ||
| 12 PM | 45°F | Mostly Sunny | 1% | 5 mph W | ||
| 1 PM | 44°F | Sunny | 1% | 5 mph W | ||
| 2 PM | 47°F | Sunny | 1% | 10 mph W | ||
| 3 PM | 50°F | Sunny | 1% | 10 mph W | ||
| 4 PM | 53°F | Sunny | 1% | 10 mph W | ||
| 5 PM | 55°F | Sunny | 1% | 10 mph W | ||
| 6 PM | 57°F | Sunny | 5% | 10 mph W | ||
| 7 PM | 58°F | Mostly Sunny | 5% | 10 mph W | ||
| 8 PM | 59°F | Mostly Sunny | 5% | 10 mph W | ||
| 9 PM | 59°F | Partly Sunny | 5% | 10 mph W | ||
| 10 PM | 59°F | Mostly Cloudy | 5% | 5 mph W | ||
| 11 PM☽ | 58°F | Mostly Cloudy | 5% | 5 mph W | ||
| 12 AM☽ | 57°F | Rain Showers | 76% | 5 mph NW | ||
| 1 AM☽ | 55°F | Rain Showers | 76% | 5 mph NW | ||
| 2 AM☽ | 52°F | Rain Showers | 76% | 0 mph | ||
| 3 AM☽ | 50°F | Rain Showers | 76% | 0 mph | ||
| 4 AM☽ | 48°F | Rain Showers | 76% | 5 mph NE | ||
Precipitation Timeline
100%
50%
89%
5a11a5p11p
<20%20-50%50-70%>70%
What to Wear Tomorrow
Mild temperatures — a light layer should do
Clothing
- • T-shirt or long-sleeve
- • Light jacket (for morning/evening)
Footwear
Water-resistant shoes
Accessories
- • Umbrella
Conditions
High: 59°F
Low: 44°F
Wind: 0-15 mph
Rain: 89%
Rain expected around 5 AM — carry an umbrella.
Best Time to Be Outside Tomorrow
9 PM – 10 PM
Excellent conditions for outdoor activities (dry, comfortable temp, light wind, daylight)
5a11a5p11p
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Frequently Asked Questions
What is the weather forecast for tomorrow in Janesville, WI?
Tomorrow in Janesville: High of 59°F, Low of 44°F. Clear with 89% chance of precipitation. Wind 0-15 mph.
Will it rain tomorrow in Janesville?
Rain likely starts around 5 AM and may continue until 4 AM. Peak chance: 89% around 5 AM.
What should I wear tomorrow in Janesville?
With a high of 59°F and low of 44°F, check our "What to Wear" section above for specific clothing recommendations based on temperature, wind, and precipitation.
How accurate is this forecast?
Our forecasts come directly from the National Weather Service (NOAA), which provides some of the most accurate weather predictions available. Tomorrow forecasts are generally 80-90% accurate, with accuracy decreasing the further out you look. Data is refreshed every 30 minutes.