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.

Graph Plots Open in Graphs
  • Temperature Forecast NOAA

  • Temperature Real-Time

Johnstown Temperature Statistics

June Temperature

Mattoon / Charleston, Coles County Memorial Airport (7.5 miles)

  • Lowest 3 June, 2024

    60.1 °F
  • Average June

    70.5 °F
  • Highest 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 More
  • Average Low 2019–2024

    45.9 °F
  • Average 2019–2024

    54.9 °F
  • Average High 2019–2024

    64 °F
Get an account to remove ads