Rock County Airport (JVL) 15 Day Weather Forecast, Janesville United States
Current weather conditions and 15 day weather forecast for Rock County Airport in Janesville, United States including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain, wind speed, cloud, pressure, and UV index.
Current weather conditions at JVL
| 22 December 2025 Mon -0.8 ° C ( 30.6°F )  Overcast |
Feels Like : -5.5 ° C / 22.1°F Humidity : % 69 Pressure : 1028 mb Wind Speed : 15.5 kmph / 9.6 miles from S 
Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15-day weather forecast for Rock County Airport, Janesville, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 21 December 2025 Sun |  Sunny |
-9.5 ° C | -2.6 ° C | -5.9 ° C | % 69 | 28.8 km/h | 0% |
| 22 December 2025 Mon | Overcast |
-3.6 ° C | 0.4 ° C | -1 ° C | % 86 | 20.5 km/h | 0% |
| 23 December 2025 Tue |  Fog |
-0.8 ° C | 1.3 ° C | 0.2 ° C | % 97 | 16.2 km/h | 0% |
| 24 December 2025 Wed |  Light freezing rain |
-3.1 ° C | 0.7 ° C | -0.9 ° C | % 97 | 19.1 km/h | 75% |
| 25 December 2025 Thu |  Patchy rain nearby |
3.2 ° C | 10.5 ° C | 6.6 ° C | % 98 | 24.5 km/h | 81% |
| 26 December 2025 Fri |  Cloudy |
-1.7 ° C | 3.8 ° C | 3.4 ° C | % 77 | 31.7 km/h | 0% |
| 27 December 2025 Sat |  Partly Cloudy |
-1.2 ° C | 5.9 ° C | 1.9 ° C | % 78 | 21.6 km/h | 0% |
| 28 December 2025 Sun | Sunny |
-5.9 ° C | -2.4 ° C | -2.9 ° C | % 53 | 29.9 km/h | 0% |
| 29 December 2025 Mon | Sunny |
-7.6 ° C | -1.2 ° C | -4.9 ° C | % 46 | 18.4 km/h | 0% |
| 30 December 2025 Tue | Partly Cloudy |
-2.2 ° C | 6.1 ° C | 1.2 ° C | % 60 | 27.7 km/h | 0% |
| 31 December 2025 Wed | Sunny |
-3.8 ° C | 3.8 ° C | -0.1 ° C | % 74 | 28.1 km/h | 0% |
| 01 January 2026 Thu | Partly Cloudy |
3 ° C | 9.8 ° C | 6.4 ° C | % 83 | 26.3 km/h | 0% |
| 02 January 2026 Fri |  Moderate rain |
-3.3 ° C | 10.9 ° C | 1.7 ° C | % 85 | 34.6 km/h | 82% |
| 03 January 2026 Sat | Sunny |
-6.5 ° C | 0.5 ° C | -3.3 ° C | % 62 | 29.9 km/h | 0% |
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