Halfway Lake Weather Forecast

    • 54
    • 81

    Mostly Sunny

    • 54
    • 79

    Increasing Clouds

    • 54
    • 78

    Partly Sunny

    • 55
    • 74

    Chance Rain Showers

    • 55
    • 80

    Mostly Sunny

    • 50
    • 81

    Mostly Sunny

    • 49
    • 73

    Partly Sunny

Today 14 Sep Union

Sunny. Very warm with Highs in the lower 80s. North Winds around 5 Mph.

Tonight 14 Sep Union

Mostly clear. Lows in the upper 50s. North Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Halfway Lake Temperature Statistics

September Temperature

Selinsgrove Penn Valley Airport (20.5 miles)

  • Lowest 8 September, 2025

    39.9 °F

  • Average September

    62.4 °F

  • Highest 5 September, 2025

    82 °F

Climate (2020–Present)

Selinsgrove Penn Valley Airport (20.5 miles)

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

  • Average Low 2020–2025

    42.4 °F

  • Average 2020–2025

    52.6 °F

  • Average High 2020–2025

    63.2 °F
Get WillyWeather+ to remove ads