Bar Harbor weather live forecast

Today's maximum temperature in Bar Harbor is expected to be 20°C. Select a day from the live weather forecast for Bar Harbor, Maine, USA for more weather parameters.

Sunday
21st Jun
20

13

7

6
Monday
22nd Jun
17

13

3

5
Tuesday
23rd Jun
18

13

2

3
Wednesday
24th Jun
22

15

10

7
Thursday
25th Jun
19

13

10

6

5-day weather forecast updated at 04:01 on Sunday 21st June 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 Sunday 21st June 2026

Expect isolated thunderstorms in Bar Harbor, Maine with a maximum temperature of 20°C, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 37% chance of some rain and a light breeze of 8 kph from the south-west.

20
°C maximum temperature
13
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
6
UV index (High)
37
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
8
kph wind from SW

Bar Harbor weather for Monday 22nd June 2026

Expect mostly cloudy with light rain in Bar Harbor, Maine with a maximum temperature of 17°C, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 73% chance of some rain and a light breeze of 7 kph from the south-east.

17
°C maximum temperature
13
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
5
UV index (Moderate)
73
% chance of some rain
<2
mm of rainfall expected
17
°C wind chill
7
kph wind from SE

Bar Harbor weather for Tuesday 23rd June 2026

Expect mostly cloudy with rain in Bar Harbor, Maine with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 40-50 mm of rainfall expected with 55% chance of some rain and a light breeze of 10 kph from the east.

18
°C maximum temperature
13
°C minimum temperature
mostly cloudy with rain
2
hours of sunshine
3
UV index (Moderate)
55
% chance of some rain
<50
mm of rainfall expected
0
no heat & humidity
10
kph wind from E

Bar Harbor weather for Wednesday 24th June 2026

Expect isolated thunderstorms in Bar Harbor, Maine with a maximum temperature of 22°C, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 2-5 mm of rainfall expected with 22% chance of some rain and a light breeze of 7 kph from the north-west.

22
°C maximum temperature
15
°C minimum temperature
isolated thunderstorms
10
hours of sunshine
7
UV index (High)
22
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
7
kph wind from NW

Bar Harbor weather for Thursday 25th June 2026

Expect scattered clouds in Bar Harbor, Maine with a maximum temperature of 19°C, maximum UV of 6 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the south.