Halfway Lake Weather Forecast

    • 44
    • 62

    Sunny

    • 48
    • 72

    Mostly Sunny

    • 48
    • 72

    Mostly Sunny

    • 48
    • 71

    Partly Sunny

    • 50
    • 73

    Mostly Sunny

    • 57
    • 79

    Mostly Sunny

Today 30 May Union

Sunny, cooler. Near steady temperature in the lower 60s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 30 May Union

Clear. Lows in the lower 40s. North Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming northwest around 5 Mph after midnight.

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  • Temperature Real-Time

Halfway Lake Temperature Statistics

May Temperature

Selinsgrove Penn Valley Airport (20.5 miles)

  • Lowest 12 May, 2026

    32 °F

  • Average May

    58.8 °F

  • Highest 18 May, 2026

    91 °F

Climate (2021–Present)

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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