Dennis Port Weather Forecast
- 38
- 42
Increasing Clouds
- 34
- 46
Chance Rain Showers
- 18
- 42
Chance Snow
- 26
- 33
Partly Sunny
- 30
- 42
Chance Rain
- 24
- 38
Chance Snow
Today 13 Jan Barnstable
Sunny. Highs in the lower 40s. Southwest Winds 10 to 15 Mph.
Tonight 13 Jan Barnstable
Mostly cloudy. Lows in the upper 30s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph.
Dennis Port Temperature Statistics
January Temperature
Chatham, Chatham Municipal Airport (6.8 miles)
Lowest 9 January, 2026
28 °FAverage January
37.9 °FHighest 10 January, 2026
48 °F
Climate (2021–Present)
Chatham, Chatham Municipal Airport (6.8 miles)
Average Low 2021–2026
47.6 °FAverage 2021–2026
53.9 °FAverage High 2021–2026
60 °F