Big Spanish Key Weather Forecast

    • 61
    • 65

    Partly Sunny

    • 53
    • 68

    Rain Showers

    • 57
    • 62

    Mostly Sunny

    • 59
    • 66

    Mostly Sunny

    • 61
    • 67

    Mostly Sunny

    • 62
    • 69

    Mostly Sunny

Today 4 Feb Monroe Lower Keys

Mostly sunny. Highs in the mid to upper 60s. Northeast Winds 5 to 10 Mph.

Tonight 4 Feb Monroe Lower Keys

Partly cloudy. Lows near 60. Northeast Winds 5 to 10 Mph, becoming west to northwest.

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Big Spanish Key Temperature Statistics

February Temperature

Key West Naval Air Station (21.7 miles)

  • Lowest 1 February, 2026

    50 °F

  • Average February

    53.3 °F

  • Highest 1 February, 2026

    55.9 °F

Climate (2021–Present)

Key West Naval Air Station (21.7 miles)

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  • Average Low 2021–2026

    77.3 °F

  • Average 2021–2026

    81.8 °F

  • Average High 2021–2026

    86.5 °F
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