The Flats Weather Forecast

    • 35
    • 50

    Increasing Clouds

    • 44
    • 55

    Mostly Cloudy

    • 52
    • 69

    Rain Likely

    • 28
    • 60

    Slight Chance Rain/Snow

    • 31
    • 46

    Mostly Sunny

    • 39
    • 53

    Partly Sunny

Today 24 Mar New Castle

Sunny. Highs around 50. Northwest Winds 5 to 10 Mph.

Tonight 24 Mar New Castle

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the mid 30s. Southwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

The Flats Temperature Statistics

March Temperature

Wilmington, New Castle County Airport (5.6 miles)

  • Lowest 18 March, 2026

    24.7 °F

  • Average March

    47.2 °F

  • Highest 10 March, 2026

    83.6 °F

Climate (2021–Present)

Wilmington, New Castle County Airport (5.6 miles)

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  • Average Low 2021–2026

    47.9 °F

  • Average 2021–2026

    57.2 °F

  • Average High 2021–2026

    66.5 °F
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