New Castle Airport Weather Forecast
- 41
- 60
Increasing Clouds
- 56
- 66
Mostly Cloudy
- 48
- 70
Rain Showers
- 38
- 60
Mostly Sunny
- 44
- 63
Mostly Sunny
- 48
- 71
Mostly Cloudy
Today 14 Mar New Castle
Cloudy in the Morning, then becoming mostly sunny. Highs in the upper 50s. Northeast Winds around 5 Mph, becoming southeast in the afternoon.
Tonight 14 Mar New Castle
Mostly cloudy. Near steady temperature around 40. Northeast Winds around 5 Mph.
New Castle Airport Temperature Statistics
March Temperature
Wilmington, New Castle County Airport (0 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 (0 miles)
Average Low 2020–2025
48 °FAverage 2020–2025
57.1 °FAverage High 2020–2025
66.2 °F