Appoquinimink River Mouth Weather Forecast
- 64
- 86
Chance Rain Showers
- 57
- 71
Partly Sunny
- 58
- 73
Mostly Sunny
- 60
- 74
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.
Appoquinimink River Mouth Temperature Statistics
September Temperature
Wilmington, New Castle County Airport (15.5 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 (15.5 miles)
Average Low 2020–2025
48.1 °FAverage 2020–2025
57.3 °FAverage High 2020–2025
66.5 °F