Grassy Key - North Side Weather Forecast

    • 83
    • 92

    Slight Chance Thunderstorms

    • 83
    • 92

    Slight Chance Thunderstorms

    • 83
    • 92

    Slight Chance Thunderstorms

    • 83
    • 91

    Slight Chance Thunderstorms

    • 83
    • 88

    Mostly Sunny

    • 83
    • 88

    Mostly Sunny

Today 17 Jul Monroe Middle Keys

Partly cloudy with a slight chance of Showers and Thunderstorms. Highs in the lower 90s. Variable Winds near 5 Mph. Chance of rain 10 percent.

Tonight 17 Jul Monroe Middle Keys

Mostly cloudy in the Evening, then becoming partly cloudy. A slight chance of Showers and Thunderstorms. Lows in the lower to mid 80s. Variable Winds near 5 Mph, becoming southeast. Chance of rain 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Grassy Key - North Side Temperature Statistics

July Temperature

The Florida Keys - Marathon International Airport (7.5 miles)

  • Lowest 10 July, 2026

    74.6 °F

  • Average July

    86.7 °F

  • Highest 7 July, 2026

    91.7 °F

Climate (2021–2026)

The Florida Keys - Marathon International Airport (7.5 miles)

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

  • Average Low 2021–2026

    75.4 °F

  • Average 2021–2026

    80.1 °F

  • Average High 2021–2026

    85 °F
Get WillyWeather+ to remove ads