Delco Weather Forecast
- 65
- 86
Decreasing Clouds
- 65
- 88
Mostly Sunny
- 65
- 87
Mostly Sunny
- 67
- 85
Slight Chance Thunderstorms
- 68
- 85
Slight Chance Thunderstorms
- 68
- 85
Chance Thunderstorms
Today 18 Sep Columbus
Mostly sunny. Highs in the mid 80s. Northeast Winds around 5 Mph this Morning, becoming light and variable.
Tonight 18 Sep Columbus
Partly cloudy. Patchy fog after midnight. Lows in the mid 60s. Light and variable Winds.
Delco Temperature Statistics
September Temperature
Wilmington International Airport (18.6 miles)
Lowest 4 September, 2025
61 °FAverage September
71.5 °FHighest 6 September, 2025
89.1 °F
Climate (2020–Present)
Wilmington International Airport (18.6 miles)
Average Low 2020–2025
56.3 °FAverage 2020–2025
65.9 °FAverage High 2020–2025
75.9 °F