Bar Harbor weather live forecast

Today's maximum temperature in Bar Harbor is expected to be 11°C. Select a day from the live weather forecast for Bar Harbor, Maine, USA for more weather parameters.

Monday
16th Mar
11

2

1

1
Tuesday
17th Mar
10

-3

6

4
Wednesday
18th Mar
-1

-5

10

3
Thursday
19th Mar
2

-2

1

2
Friday
20th Mar
5

1

1

3

5-day weather forecast updated at 04:01 on Tuesday 17th 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 16th March 2026

Expect mostly cloudy with rain in Bar Harbor, Maine with a maximum temperature of 11°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 100% chance of some rain and a moderate breeze of 27 kph from the south.

11
°C maximum temperature
2
°C minimum temperature
mostly cloudy with rain
1
hour of sunshine
1
UV index (Low)
100
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
27
kph wind from S

Bar Harbor weather for Tuesday 17th March 2026

Expect isolated thunderstorms in Bar Harbor, Maine with a maximum temperature of 10°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 10-20 mm of rainfall expected with 11% chance of some rain and a fresh breeze of 31 kph from the south-west.

10
°C maximum temperature
-3
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
4
UV index (Moderate)
11
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
31
kph wind from SW

Bar Harbor weather for Wednesday 18th March 2026

Expect scattered clouds in Bar Harbor, Maine with a maximum temperature of -1°C, maximum UV of 3 (Moderate) and 10 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 14 kph from the west.

-1
°C maximum temperature
-5
°C minimum temperature
scattered clouds
10
hours of sunshine
3
UV index (Moderate)
0
cm of snow expected
-6
°C wind chill
14
kph wind from W

Bar Harbor weather for Thursday 19th March 2026

Expect broken clouds in Bar Harbor, Maine with a maximum temperature of 2°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south.

2
°C maximum temperature
-2
°C minimum temperature
broken clouds
1
hour of sunshine
2
UV index (Low)
0
mm of rainfall expected
-1
°C wind chill
11
kph wind from S

Bar Harbor weather for Friday 20th March 2026

Expect cloudy with sleet or snow in Bar Harbor, Maine with a maximum temperature of 5°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 0-2 mm of sleet/snow expected with 42% chance of some sleet or snow and a light breeze of 10 kph from the south-west.