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
| 24 August 2026 Mon 16.8 ° C ( 62.2°F )  Clear |
Feels Like : 15.7 ° C / 60.3°F Humidity : % 71 Pressure : 1016 mb Wind Speed : 7.9 kmph / 4.9 miles from NW 
Visibility : 10 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 |
|---|---|---|---|---|---|---|---|
| 23 August 2026 Sun | Sunny |
12.7 ° C | 26 ° C | 19 ° C | % 63 | 18.4 km/h | 4% |
| 24 August 2026 Mon | Sunny |
11.5 ° C | 22.1 ° C | 17.1 ° C | % 67 | 9.7 km/h | 8% |
| 25 August 2026 Tue | Sunny |
14.2 ° C | 23.9 ° C | 18.8 ° C | % 78 | 16.6 km/h | 13% |
| 26 August 2026 Wed | Sunny |
16.9 ° C | 26.3 ° C | 21 ° C | % 81 | 24.1 km/h | 73% |
| 27 August 2026 Thu | Sunny |
16.1 ° C | 26.5 ° C | 21.2 ° C | % 71 | 19.8 km/h | 6% |
| 28 August 2026 Fri | Sunny |
14.2 ° C | 23.9 ° C | 18.9 ° C | % 75 | 13.3 km/h | 36% |
| 29 August 2026 Sat |  Light rain shower |
15.9 ° C | 21.3 ° C | 18.6 ° C | % 89 | 27.4 km/h | 91% |
| 30 August 2026 Sun | Light rain shower |
18.2 ° C | 23.9 ° C | 20.9 ° C | % 92 | 15.5 km/h | 85% |
| 31 August 2026 Mon | Sunny |
18.5 ° C | 26.9 ° C | 22.2 ° C | % 81 | 13 km/h | 12% |
| 01 September 2026 Tue | Light rain shower |
16.4 ° C | 19.5 ° C | 18.2 ° C | % 90 | 29.2 km/h | 92% |
| 02 September 2026 Wed |  Patchy rain nearby |
16 ° C | 18.1 ° C | 16.9 ° C | % 96 | 19.1 km/h | 93% |
| 03 September 2026 Thu | Sunny |
14.6 ° C | 23.2 ° C | 18.7 ° C | % 85 | 15.5 km/h | 17% |
| 04 September 2026 Fri | Sunny |
16.7 ° C | 23.1 ° C | 19.6 ° C | % 84 | 13.7 km/h | 63% |
| 05 September 2026 Sat |  Overcast |
14.9 ° C | 22 ° C | 17.8 ° C | % 80 | 22 km/h | 57% |
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