Halfway Lake Weather Forecast

    • 67
    • 85

    Severe Tstms

    • 68
    • 82

    Rain Showers Likely

    • 64
    • 84

    Chance Thunderstorms

    • 59
    • 81

    Partly Sunny

    • 55
    • 76

    Partly Sunny

    • 55
    • 74

    Partly Sunny

Today 1 Sep Union

Mostly cloudy this Morning, then becoming partly sunny. Patchy fog this morning. A chance of Showers. A slight chance of Thunderstorms this Morning, then a chance of Thunderstorms this afternoon. Hot with Highs in the upper 80s. West Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 1 Sep Union

Mostly cloudy. A chance of Showers and Thunderstorms in the Evening, then a slight chance of Showers after midnight. Patchy fog after midnight. Some Thunderstorms may be severe. Humid with Lows in the upper 60s. West Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 40 percent.

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Halfway Lake Temperature Statistics

September Temperature

Selinsgrove Penn Valley Airport (20.5 miles)

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Climate (2021–2026)

Selinsgrove Penn Valley Airport (20.5 miles)

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  • Average Low 2021–2026

    42.2 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    63 °F
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