Deer Island Weather Forecast
- 25
- 45
Increasing Clouds
- 21
- 35
Chance Snow
- 30
- 33
Chance Snow
- 35
- 45
Chance Rain
- 33
- 47
Partly Sunny
- 34
- 48
Partly Sunny
Today 4 Mar Coastal Hancock
Partly sunny. Highs in the mid 40s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.
Tonight 4 Mar Coastal Hancock
Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 20s. West Winds 5 to 10 Mph, becoming northwest after midnight.
Deer Island Temperature Statistics
March Temperature
Bar Harbor, Hancock County-Bar Harbor Airport (19.9 miles)
Lowest 2 March, 2026
1.9 °FAverage March
17.9 °FHighest 1 March, 2026
30.9 °F
Climate (2021–Present)
Bar Harbor, Hancock County-Bar Harbor Airport (19.9 miles)
Average Low 2021–2026
38.2 °FAverage 2021–2026
46.5 °FAverage High 2021–2026
54.7 °F