Halfway Lake Weather Forecast

    • 53
    • 69

    Mostly Cloudy

    • 56
    • 74

    Mostly Cloudy

    • 59
    • 78

    Partly Sunny

    • 51
    • 79

    Chance Rain Showers

    • 48
    • 67

    Rain Showers Likely

    • 44
    • 65

    Chance Rain Showers

Today 29 Sep Union

Mostly cloudy this Morning, then becoming partly sunny. Highs in the lower 70s. Northwest Winds around 5 Mph.

Tonight 29 Sep Union

Mostly cloudy in the Evening, then becoming partly cloudy. Areas of fog after midnight. Lows in the mid 50s. Light and variable Winds.

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 25 September, 2026

    39 °F

  • Average September

    66.1 °F

  • Highest 1 September, 2026

    90 °F

Climate (2021–2026)

Selinsgrove Penn Valley Airport (20.5 miles)

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

  • Average Low 2021–2026

    42.3 °F

  • Average 2021–2026

    52.7 °F

  • Average High 2021–2026

    63.1 °F
Get WillyWeather+ to remove ads