Potomac River - Jackson Creek Entrance Weather Forecast

    • 72
    • 79

    Mostly Cloudy

    • 71
    • 82

    Rain Showers Likely

    • 70
    • 75

    Chance Rain Showers

    • 65
    • 72

    Chance Rain Showers

    • 64
    • 71

    Chance Rain Showers

    • 62
    • 69

    Chance Rain Showers

    • 60
    • 68

    Slight Chance Rain Showers

Today 19 Sep Westmoreland

Partly sunny. Highs in the lower 70s.

Tonight 19 Sep Westmoreland

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

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Potomac River - Jackson Creek Entrance Temperature Statistics

September Temperature

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (9.9 miles)

  • Lowest 16 September, 2026

    59 °F

  • Average September

    76.5 °F

  • Highest 1 September, 2026

    91.9 °F

Climate (2021–2026)

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (9.9 miles)

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  • Average Low 2021–2026

    51.8 °F

  • Average 2021–2026

    60.3 °F

  • Average High 2021–2026

    68.6 °F
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