Delaware State Park Weather Forecast

    • 64
    • 78

    Decreasing Clouds

    • 63
    • 84

    Chance Rain Showers

    • 46
    • 70

    Rain Showers

    • 45
    • 67

    Partly Sunny

    • 46
    • 70

    Mostly Sunny

    • 39
    • 64

    Mostly Sunny

    • 41
    • 62

    Mostly Sunny

Today 30 Sep Delaware

Mostly sunny. Highs in the upper 60s.

Tonight 30 Sep Delaware

Mostly cloudy this Evening, then becoming partly cloudy. Lows in the lower 60s. South Winds 5 to 10 Mph.

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Delaware State Park Temperature Statistics

September Temperature

Delaware Municipal Airport (7.5 miles)

  • Lowest 25 September, 2026

    42.8 °F

  • Average September

    69.4 °F

  • Highest 2 September, 2026

    93.2 °F

Climate (2021–2026)

Delaware Municipal Airport (7.5 miles)

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  • Average Low 2021–2026

    43 °F

  • Average 2021–2026

    52.3 °F

  • Average High 2021–2026

    61.9 °F
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