Halfway Lake Weather Forecast

    • 63
    • 80

    Increasing Clouds

    • 67
    • 78

    Chance Thunderstorms

    • 66
    • 82

    Rain Showers

    • 65
    • 83

    Rain Showers

    • 64
    • 81

    Chance Thunderstorms

    • 66
    • 84

    Partly Sunny

Today 4 Aug Union

Patchy fog this morning. Sunny. Highs in the lower 80s. Light and variable Winds, becoming southeast around 5 Mph this afternoon.

Tonight 4 Aug Union

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the mid 60s. Southeast Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Halfway Lake Temperature Statistics

August Temperature

Selinsgrove Penn Valley Airport (20.5 miles)

  • Lowest 1 August, 2026

    61 °F

  • Average August

    74.4 °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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