Delaware Park Weather Forecast
- 60
- 87
Rain Showers
- 53
- 74
Slight Chance Rain Showers
- 54
- 75
Mostly Sunny
- 56
- 76
Mostly Sunny
- 57
- 75
Partly Sunny
- 57
- 81
Partly Sunny
Today 6 Sep New Castle
Partly sunny. A chance of Showers and Thunderstorms in the afternoon. Some Thunderstorms may produce damaging Winds and heavy rainfall in the afternoon. Hot with Highs in the upper 80s. South Winds 5 to 10 Mph, becoming southwest 10 to 15 Mph in the afternoon. Chance of rain 50 percent.
Tonight 6 Sep New Castle
Showers. Thunderstorms Likely, mainly in the evening. Some Thunderstorms may produce damaging Winds and heavy rainfall in the evening. Lows in the lower 60s. Northwest Winds 5 to 10 Mph. Chance of rain 80 percent.
Delaware Park Temperature Statistics
September Temperature
Wilmington, New Castle County Airport (3.1 miles)
Lowest 1 September, 2025
55 °FAverage September
68.8 °FHighest 1 September, 2025
80.1 °F
Climate (2020–Present)
Wilmington, New Castle County Airport (3.1 miles)
Average Low 2020–2025
48.1 °FAverage 2020–2025
57.3 °FAverage High 2020–2025
66.5 °F