Bar Harbor, ME Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bar Harbor, a community in Hancock County, Maine.
Today
83°F
Sunny
Sunny, with a high near 83. West wind 12 to 16 mph, with gusts as high as 30 mph.
7-day forecast for Bar Harbor
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Sunny | 12 to 16 mph W | 0% |
| Tonight | 65°F | Mostly Clear | 3 to 14 mph W | 0% |
| Wednesday | 86°F | Mostly Sunny | 2 to 9 mph SW | 0% |
| Wednesday Night | 64°F | Partly Cloudy then Patchy Fog | 2 to 9 mph SW | 3% |
| Thursday | 80°F | Patchy Fog then Mostly Sunny | 1 to 8 mph SW | 3% |
| Thursday Night | 66°F | Partly Cloudy then Patchy Fog | 1 to 7 mph SW | 6% |
| Friday | 81°F | Patchy Fog then Mostly Sunny | 1 to 9 mph SW | 5% |
| Friday Night | 68°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 2 to 8 mph W | 22% |
| Saturday | 85°F | Slight Chance Showers And Thunderstorms | 2 to 9 mph SW | 21% |
| Saturday Night | 67°F | Slight Chance Showers And Thunderstorms | 2 to 8 mph SW | 21% |
| Sunday | 83°F | Mostly Sunny | 2 to 10 mph SW | 7% |
| Sunday Night | 67°F | Partly Cloudy | 5 to 9 mph SW | 7% |
| Monday | 84°F | Mostly Sunny | 5 to 12 mph SW | 9% |
| Monday Night | 67°F | Slight Chance Rain Showers | 5 to 10 mph W | 19% |
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 Aug 4, 2026.