Cambria County Airport (JST) 15 Day Weather Forecast, Johnstown United States
Current weather conditions and 15 day weather forecast for Cambria County Airport in Johnstown, 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 JST
| 09 July 2026 Thu 26.7 ° C ( 80.1°F )  Partly cloudy |
Feels Like : 28.1 ° C / 82.5°F Humidity : % 64 Pressure : 1017 mb Wind Speed : 3.6 kmph / 2.2 miles from N 
Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 75 |
15-day weather forecast for Cambria County Airport, Johnstown, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 08 July 2026 Wed |  Sunny |
18.1 ° C | 29.2 ° C | 23 ° C | % 79 | 8.6 km/h | 11% |
| 09 July 2026 Thu | Sunny |
19.1 ° C | 25.4 ° C | 21.5 ° C | % 85 | 13.7 km/h | 75% |
| 10 July 2026 Fri |  Fog |
17.3 ° C | 24 ° C | 19.3 ° C | % 95 | 14.8 km/h | 92% |
| 11 July 2026 Sat | Fog |
16.5 ° C | 25 ° C | 19.8 ° C | % 90 | 5.8 km/h | 90% |
| 12 July 2026 Sun | Fog |
16.6 ° C | 23.1 ° C | 19.1 ° C | % 87 | 19.1 km/h | 76% |
| 13 July 2026 Mon | Sunny |
13.5 ° C | 24.2 ° C | 18.7 ° C | % 74 | 15.1 km/h | 9% |
| 14 July 2026 Tue | Sunny |
14 ° C | 27.6 ° C | 20.6 ° C | % 64 | 9 km/h | 4% |
| 15 July 2026 Wed | Sunny |
15.7 ° C | 26.9 ° C | 21.1 ° C | % 78 | 18.7 km/h | 72% |
| 16 July 2026 Thu |  Light rain shower |
15.3 ° C | 24.6 ° C | 19.4 ° C | % 85 | 14.8 km/h | 84% |
| 17 July 2026 Fri | Partly Cloudy |
13.3 ° C | 22.1 ° C | 17 ° C | % 67 | 18.4 km/h | 7% |
| 18 July 2026 Sat |  Patchy rain nearby |
9.7 ° C | 14.3 ° C | 12.1 ° C | % 79 | 15.8 km/h | 36% |
| 19 July 2026 Sun | Sunny |
7.8 ° C | 18.3 ° C | 13 ° C | % 76 | 15.1 km/h | 13% |
| 20 July 2026 Mon | Sunny |
9.5 ° C | 22.8 ° C | 16 ° C | % 68 | 8.3 km/h | 5% |
| 21 July 2026 Tue | Sunny |
13.1 ° C | 25.4 ° C | 18.8 ° C | % 64 | 11.9 km/h | 7% |
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