Fiesta Key Weather Forecast

    • 84
    • 88

    Mostly Sunny

    • 84
    • 88

    Slight Chance Thunderstorms

    • 82
    • 88

    Partly Sunny

    • 82
    • 87

    Slight Chance Thunderstorms

    • 83
    • 87

    Mostly Sunny

    • 83
    • 88

    Partly Sunny

Today 21 Jun Monroe Middle Keys

Mostly sunny. Highs near 90. Southwest Winds near 5 Mph.

Tonight 21 Jun Monroe Middle Keys

Mostly clear. Lows in the mid 80s. Variable Winds near 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Fiesta Key Temperature Statistics

June Temperature

The Florida Keys - Marathon International Airport (17.4 miles)

  • Lowest 3 June, 2026

    74.6 °F

  • Average June

    84 °F

  • Highest 2 June, 2026

    90.6 °F

Climate (2021–2026)

The Florida Keys - Marathon International Airport (17.4 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    75.3 °F

  • Average 2021–2026

    80 °F

  • Average High 2021–2026

    85 °F
Get WillyWeather+ to remove ads