Johnstown Weather Forecast
- 66
- 86
Rain Showers
- 65
- 79
Rain Showers
- 63
- 77
Rain Showers
- 64
- 82
Chance Thunderstorms
- 66
- 84
Chance Thunderstorms
- 63
- 81
Rain Showers
Today 5 Jul Cambria
Showers with Thunderstorms likely. Very warm with Highs in the lower 80s. Southeast Winds around 5 Mph. Chance of rain 90 percent.
Tonight 5 Jul Cambria
Showers with Thunderstorms likely in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Humid with Lows in the mid 60s. East Winds around 5 Mph. Chance of rain near 100 percent.
Johnstown Temperature Statistics
July Temperature
Johnstown - Cambria County Airport (4.3 miles)
Lowest 2 July, 2026
72.6 °FAverage July
80.7 °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