Bar Harbor, ME Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bar Harbor, a community in Hancock County, Maine.
Overnight
49°F
Chance Light Rain
A chance of rain. Mostly cloudy, with a low around 49. Southeast wind around 8 mph. Chance of precipitation is 30%.
7-day forecast for Bar Harbor
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 49°F | Chance Light Rain | 8 mph SE | 31% |
| Wednesday | 63°F | Chance Light Rain then Partly Sunny | 5 to 9 mph SW | 27% |
| Wednesday Night | 52°F | Partly Cloudy | 5 to 8 mph SW | 4% |
| Thursday | 63°F | Mostly Cloudy | 8 to 15 mph SW | 4% |
| Thursday Night | 55°F | Chance Light Rain | 8 to 13 mph SW | 37% |
| Friday | 63°F | Light Rain Likely | 3 to 7 mph SW | 70% |
| Friday Night | 52°F | Rain | 3 to 9 mph SE | 97% |
| Saturday | 58°F | Rain | 12 mph SE | 90% |
| Saturday Night | 47°F | Light Rain Likely | 9 mph NE | 65% |
| Sunday | 53°F | Chance Light Rain | 9 to 13 mph NW | 50% |
| Sunday Night | 42°F | Slight Chance Light Rain then Mostly Cloudy | 5 to 8 mph W | 19% |
| Monday | 51°F | Chance Light Rain | 7 to 13 mph W | 25% |
| Monday Night | 39°F | Slight Chance Light Rain | 12 mph W | 24% |
| Tuesday | 50°F | Mostly Sunny | 10 to 14 mph W | 13% |
Forecast source: National Weather Service (api.weather.gov) for Bar Harbor (44.381, -68.211). Updated through the day.
Growing snapshot for Bar Harbor
Last spring frost
Apr 27
First fall frost
Oct 22
Growing season
177 days
Hardiness zone
6a
More local growing data for Bar Harbor: nearby ZIP 04609 weather · frost dates · planting calendar · Maine frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Acadia Np, Me (1.6 mi from Bar Harbor). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.