Dennis Weather Forecast
- 69
- 88
Thunderstorms
- 61
- 77
Slight Chance Rain Showers
- 61
- 77
Partly Sunny
- 69
- 82
Mostly Sunny
- 76
- 89
Chance Thunderstorms
- 70
- 87
Rain Showers Likely
Today 13 Jun Delaware
Mostly cloudy with Showers and Thunderstorms this Morning, then mostly sunny with a slight chance of Showers and Thunderstorms this afternoon. Highs in the upper 80s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 80 percent.
Tonight 13 Jun Delaware
Showers and Thunderstorms in the Evening, then Showers with a chance of Thunderstorms after midnight. Some Thunderstorms may produce heavy rainfall. Locally heavy rainfall possible in the evening. Lows in the upper 60s. South Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming east after midnight. Chance of rain near 100 percent.
Dennis Temperature Statistics
June Temperature
Grove, Grove Municipal Airport (7.5 miles)
Lowest 4 June, 2026
62.6 °FAverage June
77.5 °FHighest 1 June, 2026
91.4 °F
Climate (2021–Present)
Grove, Grove Municipal Airport (7.5 miles)
Average Low 2021–2026
48.5 °FAverage 2021–2026
59.8 °FAverage High 2021–2026
71.3 °F