Heron Island Weather Forecast
- 26
- 32
Increasing Clouds
- 32
- 35
Slight Chance Snow
- 39
- 41
Chance Rain
- 37
- 42
Partly Sunny
- 38
- 45
Mostly Sunny
- 38
- 45
Mostly Cloudy
Today 5 Mar Coastal Hancock
Partly sunny in the Morning, then becoming mostly cloudy. Cooler with Highs in the lower 30s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph.
Tonight 5 Mar Coastal Hancock
Partly cloudy. Lows in the mid 20s. North Winds 5 to 10 Mph with Gusts up to 20 Mph.
Heron Island Temperature Statistics
March Temperature
Bar Harbor, Hancock County-Bar Harbor Airport (24.2 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 (24.2 miles)
Average Low 2021–2026
38.2 °FAverage 2021–2026
46.5 °FAverage High 2021–2026
54.7 °F