Bar Harbor weather live forecast

Today's maximum temperature in Bar Harbor is expected to be 16°C. Select a day from the live weather forecast for Bar Harbor, Maine, USA for more weather parameters.

Wednesday
23rd Sep
16

9

12

4
Thursday
24th Sep
16

8

12

5
Friday
25th Sep
18

11

6

4
Saturday
26th Sep
15

13

0

1
Sunday
27th Sep
16

14

0

2

5-day weather forecast updated at 04:01 on Wednesday 23rd 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 Wednesday 23rd September 2026

Expect clear skies in Bar Harbor, Maine with a maximum temperature of 16°C, maximum UV of 4 (Moderate) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the north-east.

16
°C maximum temperature
9
°C minimum temperature
clear skies
12
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
10
kph wind from NE

Bar Harbor weather for Thursday 24th September 2026

Expect scattered clouds in Bar Harbor, Maine with a maximum temperature of 16°C, maximum UV of 5 (Moderate) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north-east.

16
°C maximum temperature
8
°C minimum temperature
scattered clouds
12
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
16
°C wind chill
7
kph wind from NE

Bar Harbor weather for Friday 25th September 2026

Expect broken clouds in Bar Harbor, Maine with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north-east.

18
°C maximum temperature
11
°C minimum temperature
broken clouds
6
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
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 15°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 62% chance of some rain and a gentle breeze of 18 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)
62
% chance of some rain
<20
mm of rainfall expected
15
°C wind chill
18
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 16°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 58% chance of some rain and a gentle breeze of 18 kph from the north-east.