Greenville Weather Forecast
- 59
- 81
Sunny
- 64
- 81
Mostly Sunny
- 66
- 82
Chance Rain Showers
- 59
- 81
Chance Rain Showers
- 56
- 75
Mostly Sunny
- 55
- 74
Mostly Sunny
- 57
- 77
Mostly Sunny
Today 22 Aug New Castle
Sunny, warmer with Highs around 80. Northeast Winds around 5 Mph.
Tonight 22 Aug New Castle
Clear. Lows in the upper 50s. South Winds around 5 Mph.
Greenville Temperature Statistics
August Temperature
Wilmington, New Castle County Airport (6.8 miles)
Lowest 9 August, 2025
58.6 °FAverage August
75.1 °FHighest 15 August, 2025
91.7 °F
Climate (2020–Present)
Wilmington, New Castle County Airport (6.8 miles)
Average Low 2020–2025
48.2 °FAverage 2020–2025
57.3 °FAverage High 2020–2025
66.5 °F