Halfway Lake Weather Forecast

    • 15
    • 28

    Slight Chance Snow

    • 5
    • 26

    Mostly Cloudy

    • 5
    • 15

    Partly Sunny

    • 19
    • 27

    Mostly Cloudy

    • 11
    • 29

    Partly Sunny

    • 18
    • 28

    Chance Snow

Today 18 Jan Union

Cloudy. A chance of snow this morning. Snow accumulation around half an inch. Highs in the lower 30s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of snow 30 percent.

Tonight 18 Jan Union

Partly cloudy in the Evening, then becoming mostly cloudy. Colder with Lows around 15. West Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Halfway Lake Temperature Statistics

January Temperature

Selinsgrove Penn Valley Airport (20.5 miles)

  • Lowest 1 January, 2026

    17.1 °F

  • Average January

    32 °F

  • Highest 7 January, 2026

    50 °F

Climate (2021–Present)

Selinsgrove Penn Valley Airport (20.5 miles)

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  • Average Low 2021–2026

    42.4 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    63.1 °F
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