Smyrna River Mouth Weather Forecast

    • 57
    • 76

    Sunny

    • 60
    • 74

    Mostly Sunny

    • 54
    • 68

    Mostly Sunny

    • 58
    • 69

    Mostly Sunny

    • 58
    • 72

    Slight Chance Thunderstorms

    • 57
    • 70

    Chance Rain Showers

    • 57
    • 69

    Slight Chance Rain Showers

Today 28 May New Castle

Sunny. Highs in the upper 70s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 28 May New Castle

Clear. Lows in the mid 50s. North Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming northwest around 5 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Smyrna River Mouth Temperature Statistics

May Temperature

Dover Air Force Base (16.2 miles)

  • Lowest 12 May, 2026

    44.1 °F

  • Average May

    64.4 °F

  • Highest 19 May, 2026

    96.8 °F

Climate (2021–Present)

Dover Air Force Base (16.2 miles)

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  • Average Low 2021–2026

    49.3 °F

  • Average 2021–2026

    57.6 °F

  • Average High 2021–2026

    65.9 °F
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