Joliett Weather Forecast

    • 57
    • 81

    Mostly Sunny

    • 55
    • 79

    Increasing Clouds

    • 56
    • 77

    Chance Rain Showers

    • 57
    • 71

    Chance Rain Showers

    • 56
    • 78

    Mostly Sunny

    • 54
    • 81

    Mostly Sunny

    • 51
    • 73

    Partly Sunny

Today 14 Sep Schuylkill

Sunny. Near steady temperature around 80. North Winds around 5 Mph.

Tonight 14 Sep Schuylkill

Mostly clear. Lows in the mid 50s. Northeast Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Joliett Temperature Statistics

September Temperature

Muir Army Air Field / Indiantown (13 miles)

  • Lowest 9 September, 2025

    47.3 °F

  • Average September

    66.9 °F

  • Highest 5 September, 2025

    83.8 °F

Climate (2020–Present)

Muir Army Air Field / Indiantown (13 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    45.5 °F

  • Average 2020–2025

    54.9 °F

  • Average High 2020–2025

    64.3 °F
Get WillyWeather+ to remove ads