Bar Harbor weather live forecast

Today's maximum temperature in Bar Harbor is expected to be 20°C. Select a day from the live weather forecast for Bar Harbor, Maine, USA for more weather parameters.

Friday
25th Sep
20

11

5

4
Saturday
26th Sep
17

15

0

1
Sunday
27th Sep
16

14

0

1
Monday
28th Sep
14

12

0

1
Tuesday
29th Sep
15

14

0

0

5-day weather forecast updated at 04:01 on Friday 25th September 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 Friday 25th September 2026

Expect broken clouds in Bar Harbor, Maine with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the north-east.

20
°C maximum temperature
11
°C minimum temperature
broken clouds
5
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
20
°C wind chill
12
kph wind from NE

Bar Harbor weather for Saturday 26th September 2026

Expect overcast with light rain in Bar Harbor, Maine with a maximum temperature of 17°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 67% chance of some rain and a gentle breeze of 18 kph from the north-east.

17
°C maximum temperature
15
°C minimum temperature
overcast with light rain
0
hours of sunshine
1
UV index (Low)
67
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
18
kph wind from NE

Bar Harbor weather for Sunday 27th September 2026

Expect overcast with light rain in Bar Harbor, Maine with a maximum temperature of 16°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 72% chance of some rain and a moderate breeze of 20 kph from the north-east.

16
°C maximum temperature
14
°C minimum temperature
overcast with light rain
0
hours of sunshine
1
UV index (Low)
72
% chance of some rain
<10
mm of rainfall expected
16
°C wind chill
20
kph wind from NE

Bar Harbor weather for Monday 28th September 2026

Expect cloudy with some rain in Bar Harbor, Maine with a maximum temperature of 14°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 90% chance of some rain and a gentle breeze of 18 kph from the north-east.

14
°C maximum temperature
12
°C minimum temperature
cloudy with some rain
0
hours of sunshine
1
UV index (Low)
90
% chance of some rain
<30
mm of rainfall expected
14
°C wind chill
18
kph wind from NE

Bar Harbor weather for Tuesday 29th September 2026

Expect cloudy with some rain in Bar Harbor, Maine with a maximum temperature of 15°C and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 61% chance of some rain and a light breeze of 10 kph from the north-east.