Halfway Lake Weather Forecast

    • 63
    • 84

    Mostly Sunny

    • 64
    • 83

    Rain Showers Likely

    • 60
    • 81

    Rain Showers Likely

    • 60
    • 79

    Chance Rain Showers

    • 58
    • 79

    Chance Rain Showers

    • 54
    • 76

    Partly Sunny

Today 9 Aug Union

Sunny with Highs in the mid 80s. West Winds around 5 Mph.

Tonight 9 Aug Union

Partly cloudy. Lows in the upper 60s. West Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Halfway Lake Temperature Statistics

August Temperature

Selinsgrove Penn Valley Airport (20.5 miles)

  • Lowest 4 August, 2026

    57 °F

  • Average August

    73.8 °F

  • Highest 1 August, 2026

    86 °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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