Crystal Cove Weather Forecast

    • 55
    • 68

    Breezy

    • 59
    • 66

    Mostly Sunny

    • 58
    • 71

    Rain Showers

    • 55
    • 67

    Partly Sunny

    • 56
    • 64

    Partly Sunny

    • 56
    • 64

    Rain Showers Likely

Today 9 Sep Keweenaw

Mostly sunny and windy. Highs in the lower 70s. West Winds 20 to 30 Mph with Gusts up to 45 Mph.

Tonight 9 Sep Keweenaw

Clear. Lows around 55. Inland, northwest Winds 5 to 15 Mph. Near the Shore, northwest Winds 15 to 25 Mph, Diminishing to 10 to 15 Mph after midnight. Gusts up to 40 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Crystal Cove Temperature Statistics

September Temperature

Copper Harbor (57.8 miles)

  • Lowest 5 September, 2026

    54 °F

  • Average September

    65.8 °F

  • Highest 1 September, 2026

    80.1 °F

Climate (2021–2026)

Copper Harbor (57.8 miles)

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  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    44.4 °F

  • Average High 2021–2026

    50.6 °F
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