Halfway Lake Weather Forecast

    • 49
    • 61

    Increasing Clouds

    • 56
    • 70

    Chance Rain Showers

    • 59
    • 78

    Chance Rain Showers

    • 61
    • 81

    Chance Rain Showers

    • 57
    • 78

    Chance Rain Showers

    • 54
    • 73

    Chance Rain Showers

Today 12 Apr Union

Mostly sunny. Highs in the lower 60s. Southeast Winds 5 to 10 Mph with Gusts up to 25 Mph.

Tonight 12 Apr Union

Mostly clear. Cooler with Lows in the mid 30s. Northeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Halfway Lake Temperature Statistics

April Temperature

Selinsgrove Penn Valley Airport (20.5 miles)

  • Lowest 8 April, 2026

    23 °F

  • Average April

    49.7 °F

  • Highest 4 April, 2026

    81 °F

Climate (2021–Present)

Selinsgrove Penn Valley Airport (20.5 miles)

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  • Average Low 2021–2026

    42.3 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    63.1 °F
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