Key Largo - Ocean Reef Harbor Weather Forecast

    • 83
    • 91

    Chance Thunderstorms

    • 83
    • 91

    Chance Rain Showers

    • 84
    • 90

    Chance Rain Showers

    • 83
    • 91

    Thunderstorms Likely

    • 83
    • 91

    Thunderstorms Likely

    • 82
    • 90

    Thunderstorms Likely

Today 8 Sep Monroe Upper Keys

Partly cloudy with a chance of Showers and a slight chance of Thunderstorms. Highs in the lower 90s. Variable Winds near 5 Mph. Chance of rain 40 percent.

Tonight 8 Sep Monroe Upper Keys

Partly cloudy with a chance of Showers and a slight chance of Thunderstorms. Lows in the lower 80s. Northeast to east Winds near 5 Mph, becoming east 5 to 10 Mph. Chance of rain 30 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Key Largo - Ocean Reef Harbor Temperature Statistics

September Temperature

Homestead Air Reserve Base (13.7 miles)

  • Lowest 5 September, 2026

    75.7 °F

  • Average September

    81.9 °F

  • Highest 3 September, 2026

    91.2 °F

Climate (2021–2026)

Homestead Air Reserve Base (13.7 miles)

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

  • Average Low 2021–2026

    71.1 °F

  • Average 2021–2026

    77.2 °F

  • Average High 2021–2026

    84.1 °F
Get WillyWeather+ to remove ads