Bar Harbor weather live forecast

Today's maximum temperature in Bar Harbor is expected to be -1°C. Select a day from the live weather forecast for Bar Harbor, Maine, USA for more weather parameters.

Wednesday
18th Mar
-1

-6

9

3
Thursday
19th Mar
1

-2

3

3
Friday
20th Mar
7

1

4

3
Saturday
21st Mar
5

0

9

2
Sunday
22nd Mar
7

1

1

3

5-day weather forecast updated at 04:01 on Wednesday 18th 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 Wednesday 18th March 2026

Expect scattered clouds in Bar Harbor, Maine with a maximum temperature of -1°C, maximum UV of 3 (Moderate) and 9 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 15 kph from the north-west.

-1
°C maximum temperature
-6
°C minimum temperature
scattered clouds
9
hours of sunshine
3
UV index (Moderate)
0
cm of snow expected
-5
°C wind chill
15
kph wind from NW

Bar Harbor weather for Thursday 19th March 2026

Expect broken clouds in Bar Harbor, Maine with a maximum temperature of 1°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the south.

1
°C maximum temperature
-2
°C minimum temperature
broken clouds
3
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
-1
°C wind chill
8
kph wind from S

Bar Harbor weather for Friday 20th March 2026

Expect broken clouds in Bar Harbor, Maine with a maximum temperature of 7°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-west.

7
°C maximum temperature
1
°C minimum temperature
broken clouds
4
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
4
°C wind chill
11
kph wind from SW

Bar Harbor weather for Saturday 21st March 2026

Expect sunshine and showers in Bar Harbor, Maine with a maximum temperature of 5°C, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 2-5 mm of rainfall expected with 75% chance of some rain and a light breeze of 11 kph from the south.

5
°C maximum temperature
0
°C minimum temperature
sunshine and showers
9
hours of sunshine
2
UV index (Low)
75
% chance of some rain
<5
mm of rainfall expected
3
°C wind chill
11
kph wind from S

Bar Harbor weather for Sunday 22nd March 2026

Expect mostly cloudy with rain in Bar Harbor, Maine with a maximum temperature of 7°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 47% chance of some rain and a gentle breeze of 15 kph from the south-west.