Greenville Weather Forecast

    • 62
    • 79

    Chance Rain Showers

    • 62
    • 80

    Chance Rain Showers

    • 55
    • 77

    Mostly Sunny

    • 54
    • 74

    Mostly Sunny

    • 53
    • 72

    Partly Sunny

    • 54
    • 71

    Mostly Sunny

Today 26 May New Castle

Mostly cloudy in the Morning, then becoming partly sunny. Patchy fog in the morning. Highs in the upper 70s. Northeast Winds around 5 Mph, becoming south in the afternoon.

Tonight 26 May New Castle

Mostly cloudy. A chance of Showers after midnight. Lows in the lower 60s. South Winds around 5 Mph. Chance of rain 50 percent.

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  • Temperature Real-Time

Greenville Temperature Statistics

May Temperature

Wilmington, New Castle County Airport (6.8 miles)

  • Lowest 12 May, 2026

    39.7 °F

  • Average May

    64.2 °F

  • Highest 19 May, 2026

    96.7 °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

    57.3 °F

  • Average High 2021–2026

    66.6 °F
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