Potomac River - Hollis Marsh Weather Forecast

    • 72
    • 79

    Partly Sunny

    • 71
    • 83

    Rain Showers

    • 67
    • 75

    Chance Rain Showers

    • 63
    • 72

    Rain Showers Likely

    • 63
    • 70

    Chance Rain Showers

    • 60
    • 68

    Chance Rain Showers

    • 60
    • 68

    Partly Sunny

Today 19 Sep Westmoreland

Partly sunny. Near steady temperature around 80. East Winds 5 to 10 Mph.

Tonight 19 Sep Westmoreland

Partly cloudy. Lows in the upper 60s. Southeast Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Potomac River - Hollis Marsh Temperature Statistics

September Temperature

St Marys County Airport (14.9 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 (14.9 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