Halfway Lake Weather Forecast

    • 61
    • 79

    Chance Thunderstorms

    • 65
    • 84

    Partly Sunny

    • 70
    • 90

    Partly Sunny

    • 73
    • 95

    Mostly Sunny

    • 73
    • 98

    Hot

    • 70
    • 95

    Slight Chance Thunderstorms

Today 28 Jun Union

Mostly cloudy in the Morning, then becoming partly sunny. A chance of Showers. A chance of Thunderstorms in the afternoon. Humid with Highs in the lower 80s. Light and variable Winds, becoming northeast around 5 Mph in the afternoon. Chance of rain 40 percent.

Tonight 28 Jun Union

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

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Halfway Lake Temperature Statistics

June Temperature

Selinsgrove Penn Valley Airport (20.5 miles)

  • Lowest 3 June, 2026

    44.1 °F

  • Average June

    68.7 °F

  • Highest 11 June, 2026

    91 °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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