Deer Isle stays cool in summer
Deer Isle has cold, snowy winters and pleasant summers, with plenty of rain. A typical July afternoon reaches 76°, a January night drops to 13°, and about 69 inches of snow falls in a normal winter. Normal November highs come to 45°, and lows to 31°.
Getting the latest forecast from the National Weather Service…
What stands out about Deer Isle’s weather
Read from 30 years of NOAA records. Each one opens the full story on the Climate page.
Where today sits in Deer Isle’s year
Typical highs and lows month by month, from 30 years of NOAA records.
Weather talk
Road reports, first frosts and storm memories from neighbors in Deer Isle.
Your answer becomes a post in Town Square.
Forecast, conditions and alerts: National Weather Service. Climate: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Temperatures and rainfall come from NOAA’s gridded normals for Deer Isle itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at West Rockport 1 Nnw, ME (18 mi). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.