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
| 01 February 2026 Sun -16.7 ° C ( 1.9°F )  Light snow |
Feels Like : -23.9 ° C / -10.9°F Humidity : % 79 Pressure : 1015 mb Wind Speed : 11.5 kmph / 7.2 miles from WNW 
Visibility : 2.4 km Precipitation (rainfall) : 0.01 mm Cloud (%) : 100 |
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 |
|---|---|---|---|---|---|---|---|
| 01 February 2026 Sun |  Overcast |
-21.2 ° C | -9.5 ° C | -15.2 ° C | % 76 | 23.8 km/h | 0% |
| 02 February 2026 Mon | Overcast |
-13.2 ° C | -4.1 ° C | -9.4 ° C | % 84 | 15.1 km/h | 0% |
| 03 February 2026 Tue | Overcast |
-6.9 ° C | -3 ° C | -5.2 ° C | % 87 | 19.8 km/h | 0% |
| 04 February 2026 Wed |  Freezing fog |
-20 ° C | -6.9 ° C | -10.7 ° C | % 94 | 17.6 km/h | 69% |
| 05 February 2026 Thu | Light snow |
-21.1 ° C | -6.2 ° C | -15.5 ° C | % 97 | 15.1 km/h | 84% |
| 06 February 2026 Fri |  Moderate or heavy snow showers |
-14.4 ° C | -2.6 ° C | -6 ° C | % 93 | 27.7 km/h | 72% |
| 07 February 2026 Sat | Light snow |
-18.1 ° C | -13.1 ° C | -15.1 ° C | % 93 | 28.1 km/h | 78% |
| 08 February 2026 Sun | Freezing fog |
-27.4 ° C | -9.9 ° C | -17 ° C | % 93 | 6.1 km/h | 85% |
| 09 February 2026 Mon |  Heavy snow |
-15.9 ° C | -9.1 ° C | -10.3 ° C | % 96 | 14 km/h | 82% |
| 10 February 2026 Tue | Light snow |
-10.3 ° C | -1.3 ° C | -5.1 ° C | % 96 | 20.5 km/h | 88% |
| 11 February 2026 Wed | Light snow |
-17.6 ° C | -9.6 ° C | -13.2 ° C | % 94 | 25.2 km/h | 87% |
| 12 February 2026 Thu | Freezing fog |
-26.1 ° C | -14.5 ° C | -18.7 ° C | % 92 | 17.6 km/h | 0% |
| 13 February 2026 Fri |  Mist |
-22.8 ° C | -14.4 ° C | -18.5 ° C | % 92 | 22 km/h | 62% |
| 14 February 2026 Sat | Light snow |
-23.3 ° C | -12.7 ° C | -17.6 ° C | % 95 | 23 km/h | 70% |
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