Halfway Lake Weather Forecast

    • 20
    • 32

    Increasing Clouds

    • 31
    • 36

    Rain/Freezing Rain

    • 21
    • 47

    Rain Showers Likely

    • 21
    • 27

    Mostly Cloudy

    • 17
    • 29

    Mostly Cloudy

    • 12
    • 24

    Partly Sunny

Today 27 Dec Union

Mostly cloudy in the Morning, then becoming partly sunny. Highs in the mid 30s. North Winds around 5 Mph.

Tonight 27 Dec Union

Mostly cloudy. Lows in the lower 20s. Light and variable Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Halfway Lake Temperature Statistics

December Temperature

Selinsgrove Penn Valley Airport (20.5 miles)

  • Lowest 9 December, 2025

    5 °F

  • Average December

    28.8 °F

  • Highest 19 December, 2025

    57 °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

    63.1 °F
Get WillyWeather+ to remove ads