Johnstown Weather Forecast
- 55
- 78
Becoming Sunny
- 48
- 72
Mostly Sunny
- 58
- 78
Partly Sunny
- 64
- 85
Mostly Sunny
- 68
- 90
Mostly Sunny
- 66
- 90
Mostly Sunny
Today 9 Jun Cumberland
Partly sunny. Highs in the upper 70s. North Winds 10 to 15 Mph.
Tonight 9 Jun Cumberland
Mostly clear. Lows in the mid 50s. Northwest Winds 5 to 10 Mph.
Johnstown Temperature Statistics
June Temperature
Mattoon / Charleston, Coles County Memorial Airport (7.5 miles)
Lowest 3 June, 2024
60.1 °FAverage June
70.5 °FHighest 3 June, 2024
82.9 °F
Climate (2019–Present)
Mattoon / Charleston, Coles County Memorial Airport (7.5 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2019–2024
45.9 °FAverage 2019–2024
54.9 °FAverage High 2019–2024
64 °F