Shell Key Channel Weather Forecast

    • 74
    • 80

    Chance Rain Showers

    • 75
    • 80

    Chance Rain Showers

    • 75
    • 80

    Rain Showers Likely

    • 70
    • 80

    Rain Showers Likely

    • 64
    • 76

    Chance Rain Showers

    • 66
    • 72

    Chance Rain Showers

Today 13 Mar Monroe Upper Keys

Partly sunny this Morning, then becoming mostly sunny. A chance of Showers and a slight chance of Thunderstorms. Highs in the lower 80s. Northwest to north Winds near 5 Mph, becoming southeast to south this afternoon. Chance of rain 40 percent.

Tonight 13 Mar Monroe Upper Keys

Partly cloudy with a chance of Showers and a slight chance of Thunderstorms. Lows in the mid 70s. Southeast Winds near 5 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Shell Key Channel Temperature Statistics

March Temperature

The Florida Keys - Marathon International Airport (27.3 miles)

  • Lowest 1 March, 2026

    70.6 °F

  • Average March

    78.2 °F

  • Highest 6 March, 2026

    83.6 °F

Climate (2021–Present)

The Florida Keys - Marathon International Airport (27.3 miles)

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  • Average Low 2021–2026

    75.3 °F

  • Average 2021–2026

    80 °F

  • Average High 2021–2026

    85.1 °F
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