Boy Lake Weather Forecast

    • 41
    • 53

    Chance Rain Showers

    • 40
    • 57

    Slight Chance Thunderstorms

    • 43
    • 62

    Partly Sunny

    • 55
    • 69

    Chance Thunderstorms

    • 50
    • 69

    Slight Chance Thunderstorms

    • 46
    • 66

    Partly Sunny

Today 5 Sep North Cass

Mostly cloudy with a 20 percent chance of Showers. Highs in the lower 50s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 5 Sep North Cass

Mostly cloudy. A chance of Sprinkles in the evening. Lows around 40. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph, Diminishing to around 5 Mph after midnight.

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Boy Lake Temperature Statistics

September Temperature

Longville, Longville Municipal Airport (8.1 miles)

  • Lowest 3 September, 2025

    46.4 °F

  • Average September

    60.1 °F

  • Highest 1 September, 2025

    78.8 °F

Climate (2020–Present)

Longville, Longville Municipal Airport (8.1 miles)

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  • Average Low 2020–2025

    31.4 °F

  • Average 2020–2025

    41.8 °F

  • Average High 2020–2025

    51.4 °F
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