Halfway Lake Weather Forecast

    • 24
    • 33

    Mostly Cloudy

    • 33
    • 40

    Chance Rain

    • 29
    • 42

    Mostly Cloudy

    • 35
    • 45

    Mostly Cloudy

    • 37
    • 48

    Rain Likely

    • 26
    • 46

    Chance Rain

Today 5 Jan Union

Mostly cloudy. Highs in the mid 30s. South Winds 5 to 10 Mph.

Tonight 5 Jan Union

Cloudy. Near steady temperature in the lower 20s. 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

    22.7 °F

  • Highest 1 January, 2026

    28.9 °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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