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
| 14 March 2026 Sat 2.2 ° C ( 36°F )  Partly cloudy |
Feels Like : -3.7 ° C / 25.4°F Humidity : % 48 Pressure : 1010 mb Wind Speed : 30.6 kmph / 19 miles from W 
Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 50 |
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 |
|---|---|---|---|---|---|---|---|
| 14 March 2026 Sat |  Sunny |
-3.1 ° C | 6.8 ° C | 1.3 ° C | % 56 | 31.7 km/h | 0% |
| 15 March 2026 Sun |  Overcast |
1.1 ° C | 6.3 ° C | 3.8 ° C | % 66 | 30.2 km/h | 0% |
| 16 March 2026 Mon |  Heavy rain |
0.3 ° C | 15.4 ° C | 9.8 ° C | % 94 | 31.3 km/h | 71% |
| 17 March 2026 Tue |  Light snow |
-9.5 ° C | -5.3 ° C | -6.8 ° C | % 74 | 31.3 km/h | 70% |
| 18 March 2026 Wed | Overcast |
-10.5 ° C | 2.1 ° C | -6.3 ° C | % 64 | 14.4 km/h | 0% |
| 19 March 2026 Thu |  Moderate snow |
-3.7 ° C | 3.5 ° C | 0.4 ° C | % 91 | 14 km/h | 86% |
| 20 March 2026 Fri |  Fog |
-2 ° C | 1.5 ° C | 0.8 ° C | % 98 | 9.7 km/h | 86% |
| 21 March 2026 Sat | Partly Cloudy |
-4.3 ° C | 8.3 ° C | 1.9 ° C | % 86 | 15.5 km/h | 0% |
| 22 March 2026 Sun | Partly Cloudy |
-4.4 ° C | 3.8 ° C | 0.2 ° C | % 71 | 21.2 km/h | 0% |
| 23 March 2026 Mon | Sunny |
-5.7 ° C | 9 ° C | 1 ° C | % 55 | 18.7 km/h | 0% |
| 24 March 2026 Tue |  Patchy rain nearby |
4.7 ° C | 22 ° C | 15.7 ° C | % 79 | 28.4 km/h | 69% |
| 25 March 2026 Wed | Patchy rain nearby |
-0.7 ° C | 6.4 ° C | 6.6 ° C | % 72 | 29.5 km/h | 85% |
| 26 March 2026 Thu |  Patchy moderate snow |
-3 ° C | 3.5 ° C | -0.8 ° C | % 55 | 25.2 km/h | 72% |
| 27 March 2026 Fri | Patchy rain nearby |
-1.4 ° C | 8.1 ° C | 2.2 ° C | % 95 | 21.2 km/h | 66% |
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