Johnstown Weather Forecast
- 62
- 78
Isolated Thunderstorms
- 64
- 83
Rain Showers
- 62
- 77
Rain Showers
- 59
- 75
Rain Showers Likely
- 58
- 78
Partly Sunny
- 62
- 81
Mostly Cloudy
- 64
- 82
Chance Rain Showers
Today 26 Jul Cambria
Mostly sunny. Near steady temperature in the upper 70s. Northwest Winds around 5 Mph.
Tonight 26 Jul Cambria
Partly cloudy this Evening, then becoming mostly cloudy. Isolated Thunderstorms this evening. Isolated Showers. Patchy fog after midnight. Lows in the lower 60s. West Winds around 5 Mph. Chance of rain 20 percent.
Johnstown Temperature Statistics
July Temperature
Johnstown - Cambria County Airport (4.3 miles)
Lowest 23 July, 2026
49.6 °FAverage July
71.8 °FHighest 2 July, 2026
88.6 °F
Climate (2021–2026)
Johnstown - Cambria County Airport (4.3 miles)
Average Low 2021–2026
42.8 °FAverage 2021–2026
50.6 °FAverage High 2021–2026
58.7 °F