Prince Frederick Weather Forecast

    • 66
    • 84

    Rain Showers Likely

    • 63
    • 77

    Rain Showers Likely

    • 58
    • 71

    Rain Showers Likely

    • 58
    • 68

    Chance Rain Showers

    • 55
    • 68

    Chance Rain Showers

    • 54
    • 68

    Slight Chance Rain Showers

Today 20 Sep St. Marys

Numerous Showers. Highs in the lower 80s. South Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 20 Sep St. Marys

Mostly cloudy. Numerous Showers with isolated Thunderstorms in the Evening, then isolated Showers after midnight. Lows in the upper 60s. Southwest Winds 5 to 10 Mph, becoming northwest after midnight. Chance of rain 70 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Prince Frederick Temperature Statistics

September Temperature

St Marys County Airport (15.5 miles)

  • Lowest 15 September, 2026

    53.2 °F

  • Average September

    75.3 °F

  • Highest 1 September, 2026

    93.9 °F

Climate (2021–2026)

St Marys County Airport (15.5 miles)

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

  • Average Low 2021–2026

    49.5 °F

  • Average 2021–2026

    58.2 °F

  • Average High 2021–2026

    67 °F
Get WillyWeather+ to remove ads