Great Diamond Island Wind Forecast
Great Diamond Island Wind Statistics
February Wind
Portland, Portland International Jetport (5 miles)
Strongest 9 February, 2026
42.9mph NNWAverage February
7.5mph
Climate (2010–Present)
Portland, Portland International Jetport (5 miles)
Strongest 10 January, 2024
63.1mph SEAverage 2021–2026
7.6mph