Bethany Beach Weather Forecast

    • 66
    • 74

    Becoming Sunny

    • 68
    • 79

    Mostly Sunny

    • 66
    • 72

    Partly Sunny

    • 66
    • 71

    Mostly Cloudy

    • 67
    • 73

    Partly Sunny

    • 67
    • 73

    Partly Sunny

Today 18 Sep Delaware Beaches

Mostly sunny. Patchy fog in the morning. A slight chance of Showers in the afternoon. Humid with Highs in the mid 70s. North Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 18 Sep Delaware Beaches

Mostly clear. Humid with Lows in the mid 60s. Southwest Winds around 5 Mph.

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Bethany Beach Temperature Statistics

September Temperature

Ocean City, Ocean City Municipal Airport (16.2 miles)

  • Lowest 3 September, 2025

    55.9 °F

  • Average September

    70.1 °F

  • Highest 6 September, 2025

    82.9 °F

Climate (2020–Present)

Ocean City, Ocean City Municipal Airport (16.2 miles)

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  • Average Low 2020–2025

    50.2 °F

  • Average 2020–2025

    58.2 °F

  • Average High 2020–2025

    65.9 °F
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