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
| 15 December 2025 Mon -12.9 ° C ( 8.8°F )  Sunny |
Feels Like : -22.6 ° C / -8.7°F Humidity : % 72 Pressure : 1021 mb Wind Speed : 25.6 kmph / 15.9 miles from SW 
Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
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 |
|---|---|---|---|---|---|---|---|
| 15 December 2025 Mon | Sunny |
-18 ° C | -3.6 ° C | -10.8 ° C | % 76 | 28.4 km/h | 0% |
| 16 December 2025 Tue |  Overcast |
-9 ° C | -0.1 ° C | -4.7 ° C | % 94 | 25.6 km/h | 0% |
| 17 December 2025 Wed | Overcast |
-5.5 ° C | 1.5 ° C | -0.6 ° C | % 94 | 27.4 km/h | 0% |
| 18 December 2025 Thu |  Light rain |
-10.8 ° C | 6.2 ° C | 0.4 ° C | % 86 | 46.4 km/h | 87% |
| 19 December 2025 Fri |  Partly Cloudy |
-14.3 ° C | -8.7 ° C | -10 ° C | % 71 | 37.4 km/h | 0% |
| 20 December 2025 Sat |  Patchy moderate snow |
-5 ° C | 1.1 ° C | -1.4 ° C | % 72 | 26.3 km/h | 67% |
| 21 December 2025 Sun | Sunny |
-11.5 ° C | -7.8 ° C | -8.1 ° C | % 73 | 27 km/h | 0% |
| 22 December 2025 Mon | Sunny |
-11.6 ° C | 0.2 ° C | -5.1 ° C | % 72 | 32.8 km/h | 0% |
| 23 December 2025 Tue | Partly Cloudy |
0.5 ° C | 3.8 ° C | 1.8 ° C | % 79 | 28.1 km/h | 0% |
| 24 December 2025 Wed | Sunny |
-8.5 ° C | -2.3 ° C | -3.5 ° C | % 71 | 23.8 km/h | 0% |
| 25 December 2025 Thu |  Light freezing rain |
-10.7 ° C | -4.8 ° C | -7.5 ° C | % 55 | 15.1 km/h | 69% |
| 26 December 2025 Fri |  Light snow |
-13.8 ° C | -6.9 ° C | -8.3 ° C | % 79 | 31 km/h | 80% |
| 27 December 2025 Sat | Overcast |
-15.7 ° C | -10.6 ° C | -13.5 ° C | % 60 | 14.4 km/h | 0% |
| 28 December 2025 Sun |  Mist |
-12.5 ° C | -4.4 ° C | -8.4 ° C | % 81 | 22.3 km/h | 83% |
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