Delaware Weather Forecast
- 57
- 88
Mostly Sunny
- 60
- 89
Mostly Sunny
- 61
- 88
Partly Sunny
- 61
- 88
Mostly Cloudy
- 62
- 84
Chance Rain Showers
- 59
- 83
Chance Rain Showers
Today 18 Sep Delaware
Sunny. Highs in the upper 80s. North Winds 5 to 10 Mph.
Tonight 18 Sep Delaware
Clear. Lows in the upper 50s. Northeast Winds 5 to 10 Mph, becoming southeast after midnight.
Delaware Temperature Statistics
September Temperature
Delaware Municipal Airport (2.5 miles)
Lowest 8 September, 2025
41 °FAverage September
64.4 °FHighest 15 September, 2025
87.8 °F
Climate (2020–Present)
Delaware Municipal Airport (2.5 miles)
Average Low 2020–2025
43 °FAverage 2020–2025
52.2 °FAverage High 2020–2025
61.7 °F