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
50°F
Clear
Clear, with a low around 50. Northwest wind around 9 mph.
7-day forecast for Bar Harbor
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Clear | 9 mph NW | 0% |
| Saturday | 63°F | Sunny | 6 to 10 mph NW | 0% |
| Saturday Night | 50°F | Partly Cloudy | 5 mph SE | 0% |
| Sunday | 59°F | Mostly Cloudy then Chance Rain Showers | 3 to 12 mph SE | 31% |
| Sunday Night | 49°F | Rain Showers Likely | 3 to 7 mph E | 72% |
| Monday | 62°F | Mostly Sunny | 7 to 12 mph N | 11% |
| Monday Night | 47°F | Partly Cloudy | 9 mph N | 0% |
| Tuesday | 62°F | Mostly Sunny | 6 to 10 mph NE | 0% |
| Tuesday Night | 47°F | Partly Cloudy | 3 to 7 mph NE | 0% |
| Wednesday | 62°F | Sunny | 8 mph E | 0% |
| Wednesday Night | 46°F | Partly Cloudy | 5 mph NE | 1% |
| Thursday | 62°F | Mostly Sunny then Slight Chance Rain Showers | 3 to 7 mph NE | 19% |
| Thursday Night | 48°F | Chance Rain Showers | 3 to 10 mph NE | 31% |
| Friday | 64°F | Chance Rain Showers | 14 mph NE | 30% |
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 Sep 19, 2026.