Fiesta Key Weather Forecast

    • 62
    • 66

    Chance Rain Showers

    • 62
    • 68

    Chance Rain Showers

    • 44
    • 67

    Chance Rain Showers

    • 44
    • 53

    Mostly Sunny

    • 51
    • 58

    Mostly Sunny

    • 59
    • 66

    Mostly Sunny

Today 29 Jan Monroe Middle Keys

Partly to mostly cloudy with a slight chance of Showers. Breezy in the morning. Highs in the mid to upper 60s. North to northeast Winds 15 to 20 Mph, decreasing to near 15 Mph. Chance of rain 10 percent.

Tonight 29 Jan Monroe Middle Keys

Partly to mostly cloudy with a chance of Showers. Lows in the lower 60s. North to northeast Winds 10 to 15 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fiesta Key Temperature Statistics

January Temperature

The Florida Keys - Marathon International Airport (17.4 miles)

  • Lowest 16 January, 2026

    51.7 °F

  • Average January

    70.8 °F

  • Highest 26 January, 2026

    82 °F

Climate (2021–Present)

The Florida Keys - Marathon International Airport (17.4 miles)

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  • Average Low 2021–2026

    75.4 °F

  • Average 2021–2026

    80.1 °F

  • Average High 2021–2026

    85.2 °F
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