Middle Run Valley Natural Area Weather Forecast

    • 44
    • 63

    Partly Sunny

    • 49
    • 67

    Mostly Sunny

    • 52
    • 71

    Rain Showers

    • 49
    • 68

    Mostly Sunny

    • 54
    • 71

    Partly Sunny

    • 58
    • 78

    Partly Sunny

Today 11 May New Castle

Mostly cloudy with a chance of Showers in the Morning, then partly sunny in the afternoon. Not as warm with Highs in the mid 60s. North Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 11 May New Castle

Partly cloudy in the Evening, then clearing. Lows in the mid 40s. Northwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Middle Run Valley Natural Area Temperature Statistics

May Temperature

Wilmington, New Castle County Airport (6.8 miles)

  • Lowest 1 May, 2026

    42.7 °F

  • Average May

    60.7 °F

  • Highest 5 May, 2026

    84.7 °F

Climate (2021–Present)

Wilmington, New Castle County Airport (6.8 miles)

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  • Average Low 2021–2026

    47.9 °F

  • Average 2021–2026

    57.2 °F

  • Average High 2021–2026

    66.6 °F
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