Delaware Bay - Lewes Weather Forecast

    • 75
    • 88

    Chance Thunderstorms

    • 71
    • 83

    Mostly Sunny

    • 71
    • 80

    Mostly Sunny

    • 70
    • 80

    Partly Sunny

    • 74
    • 84

    Mostly Sunny

    • 77
    • 90

    Slight Chance Thunderstorms

Today 20 Jul Delaware Beaches

Mostly sunny with a chance of Showers. A slight chance of Thunderstorms this Morning, then a chance of Thunderstorms this afternoon. Hot with Highs in the upper 80s. West Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 20 Jul Delaware Beaches

Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Humid with Lows in the mid 70s. Northwest Winds 5 to 10 Mph. Chance of rain 20 percent.

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Delaware Bay - Lewes Temperature Statistics

July Temperature

Georgetown - Delaware Coastal Airport (14.3 miles)

  • Lowest 6 July, 2025

    61.6 °F
  • Average July

    80.5 °F
  • Highest 1 July, 2025

    95.6 °F

Climate (2020–Present)

Georgetown - Delaware Coastal Airport (14.3 miles)

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  • Average Low 2020–2025

    49.4 °F
  • Average 2020–2025

    58.9 °F
  • Average High 2020–2025

    68.6 °F
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