Halfway Lake Weather Forecast

    • 61
    • 74

    Chance Thunderstorms

    • 64
    • 78

    Chance Rain Showers

    • 65
    • 81

    Rain Showers

    • 62
    • 82

    Rain Showers Likely

    • 60
    • 78

    Chance Thunderstorms

    • 61
    • 79

    Chance Rain Showers

Today 7 Jul Union

Mostly cloudy with a chance of Showers. Patchy fog. A chance of Thunderstorms this afternoon. Highs in the upper 70s. East Winds around 5 Mph. Chance of rain 50 percent.

Tonight 7 Jul Union

A chance of Thunderstorms in the evening. Mostly cloudy with a chance of Showers. Humid with Lows in the lower 60s. Northeast Winds around 5 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Halfway Lake Temperature Statistics

July Temperature

Selinsgrove Penn Valley Airport (20.5 miles)

  • Lowest 4 July, 2026

    68 °F

  • Average July

    83.1 °F

  • Highest 1 July, 2026

    97 °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

    52.6 °F

  • Average High 2021–2026

    63.1 °F
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