Halfway Lake Weather Forecast

    • 60
    • 80

    Chance Thunderstorms

    • 62
    • 83

    Rain Showers

    • 60
    • 76

    Rain Showers

    • 58
    • 75

    Rain Showers Likely

    • 58
    • 77

    Slight Chance Thunderstorms

    • 61
    • 81

    Slight Chance Thunderstorms

Today 26 Jul Union

Mostly sunny. A chance of Showers with a slight chance of Thunderstorms in the afternoon. Highs in the lower 80s. Light and variable Winds, becoming south around 5 Mph in the afternoon. Chance of rain 40 percent.

Tonight 26 Jul Union

Partly cloudy. Lows in the lower 60s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Halfway Lake Temperature Statistics

July Temperature

Selinsgrove Penn Valley Airport (20.5 miles)

  • Lowest 23 July, 2026

    52 °F

  • Average July

    75.3 °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

    52.7 °F

  • Average High 2021–2026

    63.1 °F
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