Halfway Lake Weather Forecast

    • 60
    • 78

    Increasing Clouds

    • 56
    • 79

    Rain Showers

    • 48
    • 72

    Mostly Sunny

    • 48
    • 72

    Partly Sunny

    • 47
    • 68

    Partly Sunny

    • 48
    • 69

    Mostly Sunny

Today 26 May Union

Partly sunny. Highs in the upper 70s. Light and variable Winds, becoming south around 5 Mph in the afternoon.

Tonight 26 May Union

Mostly cloudy. Areas of dense fog. Visibility one quarter mile or less at Times. Lows in the mid 50s. Light and variable Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Halfway Lake Temperature Statistics

May Temperature

Selinsgrove Penn Valley Airport (20.5 miles)

  • Lowest 12 May, 2026

    32 °F

  • Average May

    57.6 °F

  • Highest 18 May, 2026

    91 °F

Climate (2021–Present)

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

    52.6 °F

  • Average High 2021–2026

    63.1 °F
Get WillyWeather+ to remove ads