Grand Isle Weather Forecast
- 21
- 32
Mostly Cloudy
- 27
- 43
Mostly Cloudy
- 37
- 47
Chance Rain
- 42
- 52
Rain Likely
- 21
- 48
Chance Rain
- 26
- 42
Partly Sunny
Today 13 Mar Northwest Aroostook
Partly sunny. Highs in the lower 30s. South Winds 5 to 10 Mph.
Tonight 13 Mar Northwest Aroostook
Partly cloudy. Not as cool with Lows in the mid 20s. South Winds 5 to 10 Mph.
Grand Isle Temperature Statistics
March Temperature
Frenchville, Northern Aroostook Regional Airport (7.5 miles)
Lowest 3 March, 2025
-3.2 °FAverage March
20.3 °FHighest 6 March, 2025
46.7 °F
Climate (2020–Present)
Frenchville, Northern Aroostook Regional Airport (7.5 miles)
Average Low 2020–2025
33.9 °FAverage 2020–2025
42.2 °FAverage High 2020–2025
50.4 °F