Potomac River - Cornfield Point Weather Forecast

    • 44
    • 49

    Mostly Cloudy

    • 58
    • 60

    Chance Rain Showers

    • 50
    • 63

    Chance Rain Showers

    • 52
    • 61

    Slight Chance Rain Showers

    • 55
    • 63

    Chance Rain Showers

    • 50
    • 68

    Rain Showers Likely

Today 6 Mar St. Marys

Mostly cloudy. Patchy fog in the morning. Isolated Showers in the afternoon. Visibility one quarter mile or less at Times in the morning. Highs in the mid 50s. Northeast Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 6 Mar St. Marys

Mostly cloudy with scattered Showers. Patchy fog. Lows in the lower 40s. East Winds around 5 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Potomac River - Cornfield Point Temperature Statistics

March Temperature

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (7.5 miles)

  • Lowest 2 March, 2026

    33.1 °F

  • Average March

    39.4 °F

  • Highest 1 March, 2026

    51.1 °F

Climate (2021–Present)

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (7.5 miles)

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  • Average Low 2021–2026

    51.9 °F

  • Average 2021–2026

    60.4 °F

  • Average High 2021–2026

    68.9 °F
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