Shell Key Channel Weather Forecast

    • 81
    • 86

    Chance Rain Showers

    • 81
    • 86

    Slight Chance Thunderstorms

    • 80
    • 86

    Mostly Cloudy

    • 79
    • 85

    Rain Showers Likely

    • 79
    • 84

    Rain Showers Likely

    • 79
    • 84

    Chance Thunderstorms

Today 31 May Monroe Upper Keys

Partly sunny with a slight chance of Showers and Thunderstorms. Highs in the upper 80s. Southwest to west Winds near 5 Mph. Chance of rain 20 percent.

Tonight 31 May Monroe Upper Keys

Mostly cloudy with a slight chance of Showers and Thunderstorms. Lows in the lower 80s. Southwest to west Winds near 5 Mph, becoming variable at time. Chance of rain 10 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Shell Key Channel Temperature Statistics

May Temperature

The Florida Keys - Marathon International Airport (27.3 miles)

  • Lowest 4 May, 2026

    72.6 °F

  • Average May

    82.3 °F

  • Highest 8 May, 2026

    87.7 °F

Climate (2021–Present)

The Florida Keys - Marathon International Airport (27.3 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