Smyrna River Mouth Weather Forecast

    • 73
    • 88

    Increasing Clouds

    • 70
    • 77

    Slight Chance Rain Showers

    • 70
    • 74

    Slight Chance Thunderstorms

    • 70
    • 79

    Chance Rain Showers

    • 70
    • 80

    Slight Chance Rain Showers

    • 69
    • 80

    Mostly Sunny

Today 17 Aug New Castle

Sunny, hot with Highs in the lower 90s. Southwest Winds 5 to 10 Mph.

Tonight 17 Aug New Castle

Mostly cloudy with a chance of Showers. A chance of Thunderstorms, mainly in the evening. Humid with Lows around 70. Southwest Winds around 5 Mph, becoming northwest after midnight. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Smyrna River Mouth Temperature Statistics

August Temperature

Dover Air Force Base (16.2 miles)

  • Lowest 9 August, 2025

    59.7 °F

  • Average August

    73.7 °F

  • Highest 13 August, 2025

    86.9 °F

Climate (2020–Present)

Dover Air Force Base (16.2 miles)

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  • Average Low 2020–2025

    49.6 °F

  • Average 2020–2025

    57.8 °F

  • Average High 2020–2025

    66.1 °F
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