Port St Joe Weather Forecast

    • 66
    • 89

    Mostly Sunny

    • 68
    • 88

    Mostly Sunny

    • 69
    • 88

    Mostly Sunny

    • 70
    • 89

    Mostly Sunny

    • 71
    • 90

    Mostly Sunny

    • 70
    • 90

    Slight Chance Thunderstorms

Today 15 Sep Coastal Gulf

Sunny. Highs in the upper 80s. East Winds 5 to 10 Mph, becoming southeast this afternoon.

Tonight 15 Sep Coastal Gulf

Mostly clear. Lows in the mid 60s. Southwest Winds around 5 Mph, becoming northeast after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Port St Joe Temperature Statistics

September Temperature

Apalachicola, Apalachicola (17.4 miles)

  • Lowest 12 September, 2025

    66 °F

  • Average September

    78.5 °F

  • Highest 7 September, 2025

    91 °F

Climate (2020–Present)

Apalachicola, Apalachicola (17.4 miles)

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

  • Average Low 2020–2025

    62.1 °F

  • Average 2020–2025

    70 °F

  • Average High 2020–2025

    77.9 °F
Get WillyWeather+ to remove ads