Deer Isle Weather Forecast
- 30
- 36
Mostly Cloudy
- 34
- 41
Partly Sunny
- 38
- 44
Cloudy
- 42
- 49
Rain
- 31
- 47
Rain Likely
- 34
- 45
Partly Sunny
Today 13 Mar Coastal Hancock
Partly sunny. Highs in the mid 30s. East Winds 5 to 10 Mph, becoming southeast this afternoon.
Tonight 13 Mar Coastal Hancock
Partly cloudy. Lows in the upper 20s. South Winds around 5 Mph with Gusts up to 15 Mph.
Deer Isle Temperature Statistics
March Temperature
Bar Harbor, Hancock County-Bar Harbor Airport (21.7 miles)
Lowest 3 March, 2025
3 °FAverage March
30.2 °FHighest 6 March, 2025
48 °F
Climate (2020–Present)
Bar Harbor, Hancock County-Bar Harbor Airport (21.7 miles)
Average Low 2020–2025
38.5 °FAverage 2020–2025
46.6 °FAverage High 2020–2025
54.7 °F