Delaware River - Fort Delaware State Park Weather Forecast
- 39
- 54
Cloudy
- 44
- 55
Slight Chance Rain Showers
- 58
- 62
Chance Rain Showers
- 49
- 70
Rain Showers
- 40
- 55
Mostly Sunny
- 47
- 61
Mostly Sunny
- 50
- 70
Mostly Cloudy
Today 13 Mar New Castle
Partly sunny. Near steady temperature in the lower 50s. Northeast Winds 5 to 10 Mph.
Tonight 13 Mar New Castle
Mostly cloudy. Lows in the upper 30s. Northeast Winds 5 to 10 Mph.
Delaware River - Fort Delaware State Park Temperature Statistics
March Temperature
Wilmington, New Castle County Airport (5.6 miles)
Lowest 2 March, 2025
19.9 °FAverage March
44.5 °FHighest 11 March, 2025
68 °F
Climate (2020–Present)
Wilmington, New Castle County Airport (5.6 miles)
Average Low 2020–2025
48 °FAverage 2020–2025
57.1 °FAverage High 2020–2025
66.2 °F