Headquarters Lake Weather Forecast

    • 58
    • 80

    Becoming Sunny

    • 70
    • 87

    Partly Sunny

    • 64
    • 92

    Rain Showers Likely

    • 60
    • 84

    Slight Chance Thunderstorms

    • 62
    • 85

    Partly Sunny

    • 63
    • 89

    Mostly Sunny

Today 22 Jul Roscommon

Mostly sunny. Highs around 80. South Winds up to 10 Mph.

Tonight 22 Jul Roscommon

Mostly clear. Lows in the upper 50s. South Winds up to 10 Mph.

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Headquarters Lake Temperature Statistics

July Temperature

Houghton Lake, Roscommon County Airport (9.3 miles)

  • Lowest 18 July, 2025

    41.6 °F

  • Average July

    70.8 °F

  • Highest 5 July, 2025

    90.6 °F

Climate (2020–Present)

Houghton Lake, Roscommon County Airport (9.3 miles)

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  • Average Low 2020–2025

    36.4 °F

  • Average 2020–2025

    46 °F

  • Average High 2020–2025

    55.5 °F
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