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.

Wednesday
29th Jul
18

15

2

5
Thursday
30th Jul
18

17

1

1
Friday
31st Jul
21

17

3

5
Saturday
1st Aug
23

17

11

4
Sunday
2nd Aug
21

17

12

7

5-day weather forecast updated at 04:01 on Wednesday 29th July 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 Wednesday 29th July 2026

Expect broken clouds in Bar Harbor, Maine with a maximum temperature of 18°C, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the south-east.

18
°C maximum temperature
15
°C minimum temperature
broken clouds
2
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
10
kph wind from SE

Bar Harbor weather for Thursday 30th July 2026

Expect cloudy with some rain in Bar Harbor, Maine with a maximum temperature of 18°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 83% chance of some rain and a gentle breeze of 15 kph from the north-east.

18
°C maximum temperature
17
°C minimum temperature
cloudy with some rain
1
hour of sunshine
1
UV index (Low)
83
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
15
kph wind from NE

Bar Harbor weather for Friday 31st July 2026

Expect mostly cloudy with light rain in Bar Harbor, Maine with a maximum temperature of 21°C, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 32% chance of some rain and a light breeze of 8 kph from the north-east.

21
°C maximum temperature
17
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
5
UV index (Moderate)
32
% chance of some rain
<2
mm of rainfall expected
21
°C wind chill
8
kph wind from NE

Bar Harbor weather for Saturday 1st August 2026

Expect scattered clouds in Bar Harbor, Maine with a maximum temperature of 23°C, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the south.

23
°C maximum temperature
17
°C minimum temperature
scattered clouds
11
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
8
kph wind from S

Bar Harbor weather for Sunday 2nd August 2026

Expect scattered clouds in Bar Harbor, Maine with a maximum temperature of 21°C, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the south.