Lieutenant Island Weather Forecast
- 16
- 19
Blustery
- 26
- 32
Snow
- 18
- 37
Snow
- 18
- 24
Mostly Cloudy
- 18
- 26
Mostly Cloudy
- 19
- 26
Mostly Cloudy
Today 24 Jan Barnstable
Mostly sunny. Heavy freezing spray in the morning. Much Colder with Highs around 17. Northwest Winds 15 to 20 Mph with Gusts up to 35 Mph.
Tonight 24 Jan Barnstable
Mostly cloudy. Near steady temperature around 13. Northwest Winds 5 to 10 Mph with Gusts up to 25 Mph.
Lieutenant Island Temperature Statistics
January Temperature
Chatham, Chatham Municipal Airport (14.3 miles)
Lowest 21 January, 2026
12.9 °FAverage January
35 °FHighest 11 January, 2026
48.9 °F
Climate (2021–Present)
Chatham, Chatham Municipal Airport (14.3 miles)
Average Low 2021–2026
47.5 °FAverage 2021–2026
53.9 °FAverage High 2021–2026
60 °F