Smyrna River Mouth Weather Forecast
- 53
- 65
Increasing Clouds
- 55
- 70
Rain Showers
- 53
- 64
Slight Chance Rain Showers
- 55
- 68
Partly Sunny
- 61
- 76
Mostly Sunny
- 61
- 81
Mostly Sunny
Today 12 May New Castle
Sunny. Highs in the upper 60s. North Winds 5 to 10 Mph, becoming northwest in the afternoon.
Tonight 12 May New Castle
Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the lower 50s. South Winds 5 to 10 Mph.
Smyrna River Mouth Temperature Statistics
May Temperature
Dover Air Force Base (16.2 miles)
Lowest 1 May, 2026
45.3 °FAverage May
60.7 °FHighest 5 May, 2026
84.6 °F
Climate (2021–Present)
Dover Air Force Base (16.2 miles)
Average Low 2021–2026
49.3 °FAverage 2021–2026
57.6 °FAverage High 2021–2026
65.9 °F