Grassy Key Weather Forecast

    • 78
    • 83

    Slight Chance Thunderstorms

    • 79
    • 83

    Partly Sunny

    • 79
    • 84

    Partly Sunny

    • 79
    • 84

    Partly Sunny

    • 80
    • 84

    Partly Sunny

Today 5 May Monroe Middle Keys

Mostly sunny with a slight chance of Showers. Highs in the mid 80s. Light and variable Winds, becoming west to northwest near 5 Mph this afternoon. Chance of rain 10 percent.

Tonight 5 May Monroe Middle Keys

Partly cloudy. Lows in the upper 70s. Northwest Winds near 5 Mph, becoming southeast after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Grassy Key Temperature Statistics

May Temperature

The Florida Keys - Marathon International Airport (6.2 miles)

  • Lowest

    –

  • Average May

    –

  • Highest

    –

Climate (2021–Present)

The Florida Keys - Marathon International Airport (6.2 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