Gratiot River County Park Weather Forecast

    • 47
    • 59

    Decreasing Clouds

    • 50
    • 62

    Mostly Sunny

    • 50
    • 63

    Mostly Sunny

    • 53
    • 65

    Mostly Cloudy

    • 55
    • 66

    Partly Sunny

    • 56
    • 66

    Mostly Cloudy

Today 21 Sep Keweenaw

Mostly cloudy. Highs in the upper 50s. East Winds 5 to 10 Mph.

Tonight 21 Sep Keweenaw

Clear. Lows 44 to 49. Light east Winds.

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Gratiot River County Park Temperature Statistics

September Temperature

Houghton County Memorial Airport (11.8 miles)

  • Lowest 14 September, 2026

    37 °F

  • Average September

    61.5 °F

  • Highest 1 September, 2026

    82 °F

Climate (2021–2026)

Houghton County Memorial Airport (11.8 miles)

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  • Average Low 2021–2026

    35.8 °F

  • Average 2021–2026

    43.9 °F

  • Average High 2021–2026

    51.9 °F
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