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
| 07 October 2026 Wed 5.2 ° C ( 41.3°F )  Clear |
Feels Like : 4.1 ° C / 39.4°F Humidity : % 76 Pressure : 1018 mb Wind Speed : 5.4 kmph / 3.4 miles from S 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
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 |
|---|---|---|---|---|---|---|---|
| 07 October 2026 Wed | Sunny |
5.2 ° C | 19.3 ° C | 11.9 ° C | % 60 | 18 km/h | 4% |
| 08 October 2026 Thu | Sunny |
9.3 ° C | 18.1 ° C | 13.9 ° C | % 64 | 23.8 km/h | 6% |
| 09 October 2026 Fri | Sunny |
6.9 ° C | 17 ° C | 11.5 ° C | % 69 | 13.3 km/h | 7% |
| 10 October 2026 Sat |  Overcast |
9.3 ° C | 17 ° C | 12.3 ° C | % 66 | 18.4 km/h | 17% |
| 11 October 2026 Sun |  Light drizzle |
10.7 ° C | 13.7 ° C | 12.3 ° C | % 96 | 27.4 km/h | 95% |
| 12 October 2026 Mon |  Patchy rain nearby |
13.3 ° C | 18.9 ° C | 15.7 ° C | % 91 | 24.8 km/h | 67% |
| 13 October 2026 Tue |  Light rain |
4.5 ° C | 16.1 ° C | 10.7 ° C | % 98 | 15.5 km/h | 95% |
| 14 October 2026 Wed | Overcast |
1.3 ° C | 9.9 ° C | 4.8 ° C | % 79 | 14.8 km/h | 19% |
| 15 October 2026 Thu | Sunny |
1.5 ° C | 13.1 ° C | 6.8 ° C | % 72 | 15.1 km/h | 11% |
| 16 October 2026 Fri |  Fog |
7.9 ° C | 16.7 ° C | 11.5 ° C | % 90 | 15.1 km/h | 27% |
| 17 October 2026 Sat | Light rain |
4.5 ° C | 12 ° C | 8.4 ° C | % 98 | 26.3 km/h | 95% |
| 18 October 2026 Sun | Patchy rain nearby |
1.8 ° C | 4 ° C | 3.1 ° C | % 88 | 27 km/h | 75% |
| 19 October 2026 Mon | Sunny |
0.2 ° C | 8.5 ° C | 3.9 ° C | % 69 | 19.8 km/h | 6% |
| 20 October 2026 Tue | Sunny |
0.9 ° C | 10.4 ° C | 4.9 ° C | % 77 | 20.5 km/h | 9% |
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