Bar Harbor weather live forecast

Today's maximum temperature in Bar Harbor is expected to be 18°C. Select a day from the live weather forecast for Bar Harbor, Maine, USA for more weather parameters.

Thursday
24th Sep
18

8

11

5
Friday
25th Sep
19

11

4

4
Saturday
26th Sep
16

14

0

3
Sunday
27th Sep
15

13

0

1
Monday
28th Sep
14

13

0

0

5-day weather forecast updated at 04:01 on Thursday 24th September 2026 GMT

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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 Thursday 24th September 2026

Expect scattered clouds in Bar Harbor, Maine with a maximum temperature of 18°C, maximum UV of 5 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the north-east.

18
°C maximum temperature
8
°C minimum temperature
scattered clouds
11
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
18
°C wind chill
6
kph wind from NE

Bar Harbor weather for Friday 25th September 2026

Expect broken clouds in Bar Harbor, Maine with a maximum temperature of 19°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north-east.

19
°C maximum temperature
11
°C minimum temperature
broken clouds
4
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
19
°C wind chill
14
kph wind from NE

Bar Harbor weather for Saturday 26th September 2026

Expect cloudy with some rain in Bar Harbor, Maine with a maximum temperature of 16°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 74% chance of some rain and a moderate breeze of 21 kph from the north-east.

16
°C maximum temperature
14
°C minimum temperature
cloudy with some rain
0
hours of sunshine
3
UV index (Moderate)
74
% chance of some rain
<20
mm of rainfall expected
16
°C wind chill
21
kph wind from NE

Bar Harbor weather for Sunday 27th September 2026

Expect cloudy with some rain in Bar Harbor, Maine with a maximum temperature of 15°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 90% chance of some rain and a moderate breeze of 21 kph from the north-east.

15
°C maximum temperature
13
°C minimum temperature
cloudy with some rain
0
hours of sunshine
1
UV index (Low)
90
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
21
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 and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 80% chance of some rain and a gentle breeze of 17 kph from the north-east.