Big Pine Key - Coupon Bight Weather Forecast

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    Chance Rain Showers

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    Chance Rain Showers

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    Chance Rain Showers

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    Chance Rain Showers

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    Slight Chance Thunderstorms

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    Slight Chance Thunderstorms

Today 5 Mar Monroe Lower Keys

Partly cloudy with a slight chance of Showers and Thunderstorms. Breezy in the morning. Highs in the lower 80s. East Winds 15 to 20 Mph, decreasing to near 15 Mph in the afternoon. Chance of rain 20 percent.

Tonight 5 Mar Monroe Lower Keys

Partly to mostly cloudy with a chance of Showers and a slight chance of Thunderstorms. Breezy. Lows in the lower 70s. East Winds 15 to 20 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Pine Key - Coupon Bight Temperature Statistics

March Temperature

The Florida Keys - Marathon International Airport (19.3 miles)

  • Lowest 1 March, 2026

    70.6 °F

  • Average March

    76.9 °F

  • Highest 1 March, 2026

    81.6 °F

Climate (2021–Present)

The Florida Keys - Marathon International Airport (19.3 miles)

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  • Average Low 2021–2026

    75.3 °F

  • Average 2021–2026

    80 °F

  • Average High 2021–2026

    85 °F
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