Weather Tomorrow in Janesville, WI
Freeze WarningUntil Oct 17, 9:00 AM CDT
Freeze Warning issued October 16 at 11:25PM CDT until October 17 at 9:00AM CDT by NWS Milwaukee/Sullivan WI
Take steps now to protect tender plants from the cold.
Sunday, October 18, 2026
High 60°FLow 38°F
Clear
- Rain chance
- 0%
- Wind
- 5-15 mph
- Humidity
- 67%
- Feels like
- 31–60°F
Data source: National Weather Service (NOAA) · Forecast issued
Precipitation Timeline
No significant precipitation expected tomorrow.
Tomorrow by Hour
Local time. Rows with a 40% or higher chance of rain are shaded blue.
| Time | Sky | Temp | Rain | Wind (mph) |
|---|---|---|---|---|
| 12 AM | , Clear | 42°F | 0% | 10 SW |
| 1 AM | , Clear | 41°F | 0% | 10 SW |
| 2 AM | , Clear | 41°F | 0% | 10 SW |
| 3 AM | , Clear | 40°F | 0% | 10 SW |
| 4 AM | , Clear | 40°F | 0% | 10 SW |
| 5 AM | , Clear | 40°F | 0% | 10 SW |
| 6 AM | , Sunny | 38°F | 0% | 10 SW |
| 7 AM | , Sunny | 39°F | 0% | 15 SW |
| 8 AM | , Sunny | 40°F | 0% | 15 SW |
| 9 AM | , Sunny | 44°F | 0% | 15 SW |
| 10 AM | , Sunny | 49°F | 0% | 15 SW |
| 11 AM | , Sunny | 53°F | 0% | 15 SW |
| 12 PM | , Sunny | 56°F | 0% | 15 SW |
| 1 PM | , Sunny | 59°F | 0% | 15 SW |
| 2 PM | , Sunny | 59°F | 0% | 15 SW |
| 3 PM | , Sunny | 59°F | 0% | 15 SW |
| 4 PM | , Sunny | 60°F | 0% | 15 S |
| 5 PM | , Sunny | 59°F | 0% | 15 S |
| 6 PM | , Clear | 56°F | 0% | 10 S |
| 7 PM | , Clear | 54°F | 0% | 10 S |
| 8 PM | , Clear | 50°F | 0% | 10 S |
| 9 PM | , Clear | 48°F | 0% | 10 S |
| 10 PM | , Clear | 48°F | 0% | 10 S |
| 11 PM | , Clear | 47°F | 0% | 5 S |
What to Wear Tomorrow
Mild temperatures — a light layer should do
Clothing
- T-shirt or long-sleeve
- Light jacket (for morning/evening)
Footwear
Sneakers
Conditions
- High
- 60°F
- Low
- 38°F
- Wind
- 5-15 mph
- Rain
- 0%
Enjoy your day!
Best Time to Be Outside Tomorrow
3 PM – 5 PM
Excellent conditions for outdoor activities (dry, comfortable temp, daylight)
80out of 100
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Frequently Asked Questions
What is the weather forecast for tomorrow in Janesville, WI?
Tomorrow in Janesville: High of 60°F, Low of 38°F. Clear with 0% chance of precipitation. Wind 5-15 mph.
Will it rain tomorrow in Janesville?
No significant precipitation expected tomorrow.
What should I wear tomorrow in Janesville?
With a high of 60°F and low of 38°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). A next-day forecast is the most reliable part of any forecast, but it can still change, so check again in the evening. The page shows when the forecast was issued.