Dennis Weather Forecast
- 67
- 82
Mostly Cloudy
- 68
- 84
Chance Thunderstorms
- 50
- 81
Thunderstorms Likely
- 55
- 67
Sunny
- 53
- 79
Mostly Sunny
- 47
- 68
Mostly Sunny
- 52
- 71
Partly Sunny
Today 16 Oct Delaware
Sunny. Highs in the lower 80s. Southeast Winds 5 to 10 Mph.
Tonight 16 Oct Delaware
Mostly cloudy. Lows in the mid 60s. Southeast Winds around 5 Mph.
Dennis Temperature Statistics
October Temperature
Grove, Grove Municipal Airport (7.5 miles)
Lowest 10 October, 2025
53.6 °FAverage October
69.8 °FHighest 2 October, 2025
87.8 °F
Climate (2020–Present)
Grove, Grove Municipal Airport (7.5 miles)
Average Low 2020–2025
47.8 °FAverage 2020–2025
58.9 °FAverage High 2020–2025
70.2 °F