Johnstown Weather Forecast
- 62
- 81
Partly Sunny
- 61
- 83
Mostly Sunny
- 65
- 87
Sunny
- 66
- 90
Partly Sunny
- 63
- 86
Partly Sunny
- 63
- 84
Chance Rain Showers
- 62
- 83
Chance Thunderstorms
Today 12 Jul Cambria
Mostly sunny. Near steady temperature in the upper 70s. Southeast Winds around 5 Mph.
Tonight 12 Jul Cambria
Partly cloudy this Evening, then becoming mostly clear. Lows in the lower 60s. Southeast Winds around 5 Mph.
Johnstown Temperature Statistics
July Temperature
Johnstown - Cambria County Airport (4.3 miles)
Lowest 4 July, 2026
65.6 °FAverage July
75 °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