Chesapeake Bay - Halfmoon Island Weather Forecast

    • 72
    • 83

    Chance Thunderstorms

    • 71
    • 78

    Decreasing Clouds

    • 74
    • 80

    Partly Sunny

    • 71
    • 79

    Chance Thunderstorms

    • 69
    • 73

    Rain Showers Likely

    • 68
    • 71

    Chance Rain Showers

    • 65
    • 70

    Chance Rain Showers

Today 18 Sep Accomack

Partly sunny and breezy. Highs in the lower 70s.

Tonight 18 Sep Accomack

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

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chesapeake Bay - Halfmoon Island Temperature Statistics

September Temperature

Melfa / Accomack Airport (11.8 miles)

  • Lowest 16 September, 2026

    54.5 °F

  • Average September

    74.6 °F

  • Highest 1 September, 2026

    91 °F

Climate (2021–2026)

Melfa / Accomack Airport (11.8 miles)

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  • Average Low 2021–2026

    48.5 °F

  • Average 2021–2026

    56.8 °F

  • Average High 2021–2026

    63.9 °F
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