Bar Harbor weather live forecast

Today's maximum temperature in Bar Harbor is expected to be 22°C. Select a day from the live weather forecast for Bar Harbor, Maine, USA for more weather parameters.

Monday
31st Aug
22

14

12

6
Tuesday
1st Sep
20

14

1

6
Wednesday
2nd Sep
19

14

2

6
Thursday
3rd Sep
18

16

0

4
Friday
4th Sep
20

16

5

2

5-day weather forecast updated at 04:01 on Monday 31st August 2026 GMT

More about Bar Harbor

Bar Harbor by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Maine

GO Airport Shuttle discount code: 5% off airport transfers

Discount Code

Save EXTRA 5% on airport transfers worldwide
Book private taxis & shuttle buses with discount code
Enter in coupon box on 'Reservations' page

Show discount code

******WEB

Redeem GO Airport Shuttle discount code >>

Expires at 23:59 on Thursday 31st Dec 2026

The 5-day weather forecast for Maine (Bar Harbor) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Bar Harbor weather forecast by day

Below are the detailed weather forecasts for Bar Harbor for the next 5 days.

Bar Harbor weather for Monday 31st August 2026

Expect scattered clouds in Bar Harbor, Maine with a maximum temperature of 22°C, maximum UV of 6 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north-west.

22
°C maximum temperature
14
°C minimum temperature
scattered clouds
12
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
9
kph wind from NW

Bar Harbor weather for Tuesday 1st September 2026

Expect broken clouds in Bar Harbor, Maine with a maximum temperature of 20°C, maximum UV of 6 (High) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the south-east.

20
°C maximum temperature
14
°C minimum temperature
broken clouds
1
hour of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
6
kph wind from SE

Bar Harbor weather for Wednesday 2nd September 2026

Expect mostly cloudy with light rain in Bar Harbor, Maine with a maximum temperature of 19°C, maximum UV of 6 (High) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 29% chance of some rain and a light breeze of 8 kph from the south-east.

19
°C maximum temperature
14
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
6
UV index (High)
29
% chance of some rain
<2
mm of rainfall expected
19
°C wind chill
8
kph wind from SE

Bar Harbor weather for Thursday 3rd September 2026

Expect cloudy with some rain in Bar Harbor, Maine with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 56% chance of some rain and a gentle breeze of 13 kph from the south-east.

18
°C maximum temperature
16
°C minimum temperature
cloudy with some rain
0
hours of sunshine
4
UV index (Moderate)
56
% chance of some rain
<20
mm of rainfall expected
18
°C wind chill
13
kph wind from SE

Bar Harbor weather for Friday 4th September 2026

Expect mostly cloudy with light rain in Bar Harbor, Maine with a maximum temperature of 20°C, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 42% chance of some rain and a light breeze of 10 kph from the north.