Halfway Lake Weather Forecast

    • 25
    • 29

    Snow Showers Likely

    • 16
    • 35

    Partly Sunny

    • 1
    • 24

    Mostly Cloudy

    • 5
    • 13

    Snow Likely

    • 6
    • 13

    Chance Snow

    • 4
    • 19

    Mostly Cloudy

Today 21 Jan Union

Mostly sunny this Morning, then mostly cloudy with a chance of snow Showers this afternoon. Little or no snow accumulation. Not as cool with Highs in the lower 30s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of snow 50 percent. Wind chill Values as low as 2 below this morning.

Tonight 21 Jan Union

Mostly cloudy. A chance of snow Showers in the Evening, then a slight chance of Drizzle, freezing drizzle and snow Showers after midnight. Little or no snow accumulation. Not as cool. Near steady temperature in the upper 20s. Southwest Winds 5 to 10 Mph with Gusts up to 30 Mph. Chance of precipitation 50 percent.

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Halfway Lake Temperature Statistics

January Temperature

Selinsgrove Penn Valley Airport (20.5 miles)

  • Lowest 18 January, 2026

    10 °F

  • Average January

    31 °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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