Halfway Lake Weather Forecast

    • 49
    • 59

    Slight Chance Rain

    • 38
    • 62

    Mostly Sunny

    • 39
    • 61

    Sunny

    • 46
    • 68

    Mostly Sunny

    • 45
    • 68

    Mostly Sunny

    • 44
    • 68

    Partly Sunny

Today 4 Oct Union

Cloudy with a 20 percent chance of light rain. Highs in the lower 60s. Southeast Winds around 5 Mph.

Tonight 4 Oct Union

Mostly cloudy in the Evening, then becoming partly cloudy. Patchy fog. Lows in the lower 50s. South Winds around 5 Mph, becoming southwest after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Halfway Lake Temperature Statistics

October Temperature

Selinsgrove Penn Valley Airport (20.5 miles)

  • Lowest 1 October, 2026

    59 °F

  • Average October

    68 °F

  • Highest 1 October, 2026

    80.1 °F

Climate (2021–2026)

Selinsgrove Penn Valley Airport (20.5 miles)

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  • Average Low 2021–2026

    42.3 °F

  • Average 2021–2026

    52.7 °F

  • Average High 2021–2026

    63.1 °F
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