Bar Harbor weather live forecast

Today's maximum temperature in Bar Harbor is expected to be 48°F. Select a day from the live weather forecast for Bar Harbor, Maine, USA for more weather parameters.

Monday
9th Mar
48

41

6

4
Tuesday
10th Mar
54

39

11

4
Wednesday
11th Mar
43

37

0

1
Thursday
12th Mar
46

30

1

1
Friday
13th Mar
36

27

7

4

5-day weather forecast updated at 04:01 on Monday 9th March 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 Monday 9th March 2026

Expect scattered clouds in Bar Harbor, Maine with a maximum temperature of 48°F, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the south-west.

48
°F maximum temperature
41
°F minimum temperature
scattered clouds
6
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
45
°F wind chill
9
mph wind from SW

Bar Harbor weather for Tuesday 10th March 2026

Expect scattered clouds in Bar Harbor, Maine with a maximum temperature of 54°F, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the south-west.

54
°F maximum temperature
39
°F minimum temperature
scattered clouds
11
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
6
mph wind from SW

Bar Harbor weather for Wednesday 11th March 2026

Expect overcast with light rain in Bar Harbor, Maine with a maximum temperature of 43°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 98% chance of some rain and a gentle breeze of 10 mph from the east.

43
°F maximum temperature
37
°F minimum temperature
overcast with light rain
0
hours of sunshine
1
UV index (Low)
98
% chance of some rain
<10
mm of rainfall expected
37
°F wind chill
10
mph wind from E

Bar Harbor weather for Thursday 12th March 2026

Expect mostly cloudy with rain in Bar Harbor, Maine with a maximum temperature of 46°F, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 70% chance of some rain and a gentle breeze of 11 mph from the south-west.

46
°F maximum temperature
30
°F minimum temperature
mostly cloudy with rain
1
hour of sunshine
1
UV index (Low)
70
% chance of some rain
<10
mm of rainfall expected
41
°F wind chill
11
mph wind from SW

Bar Harbor weather for Friday 13th March 2026

Expect clear skies with flurries of snow in Bar Harbor, Maine with a maximum temperature of 36°F, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 0-2 cm of snow expected with 65% chance of some snow and a gentle breeze of 9 mph from the north-west.