Bar Harbor, ME 14-Day Forecast
Maine, United States 🇺🇸
82°
Sunny right now
Today: high 82°, low 58°
Updated 3 hours ago
Bar Harbor weather for the next 14 days
Thursday, August 27
Overcast High 71° Low 59°Precipitation
20%
· 0.0 in
Max wind
10 mph
Humidity
83%
UV index
6 - High
Sunrise / sunset
05:49 AM / 07:18 PM
Friday, August 28
Patchy rain nearby High 68° Low 61°Precipitation
94%
· 0.47 in
Max wind
10 mph
Humidity
96%
UV index
5 - Moderate
Sunrise / sunset
05:51 AM / 07:16 PM
Saturday, August 29
Overcast High 72° Low 55°Precipitation
12%
· 0.0 in
Max wind
8 mph
Humidity
69%
UV index
6 - High
Sunrise / sunset
05:52 AM / 07:15 PM
Sunday, August 30
Overcast High 70° Low 52°Precipitation
61%
· 0.07 in
Max wind
12 mph
Humidity
76%
UV index
6 - High
Sunrise / sunset
05:53 AM / 07:13 PM
Monday, August 31
Sunny High 70° Low 51°Precipitation
17%
· 0.01 in
Max wind
8 mph
Humidity
69%
UV index
6 - High
Sunrise / sunset
05:54 AM / 07:11 PM
Tuesday, September 1
Overcast High 61° Low 51°Precipitation
70%
· 0.08 in
Max wind
6 mph
Humidity
80%
UV index
4 - Moderate
Sunrise / sunset
05:55 AM / 07:09 PM
Wednesday, September 2
Light rain shower High 56° Low 54°Precipitation
94%
· 0.81 in
Max wind
14 mph
Humidity
98%
UV index
3 - Moderate
Sunrise / sunset
05:56 AM / 07:08 PM
Thursday, September 3
Light rain shower High 58° Low 56°Precipitation
93%
· 0.27 in
Max wind
12 mph
Humidity
99%
UV index
3 - Moderate
Sunrise / sunset
05:58 AM / 07:06 PM
Friday, September 4
Fog High 63° Low 54°Precipitation
56%
· 0.02 in
Max wind
12 mph
Humidity
90%
UV index
5 - Moderate
Sunrise / sunset
05:59 AM / 07:04 PM
Saturday, September 5
Sunny High 68° Low 51°Precipitation
6%
· 0.0 in
Max wind
7 mph
Humidity
71%
UV index
5 - Moderate
Sunrise / sunset
06:00 AM / 07:02 PM
Sunday, September 6
Overcast High 64° Low 52°Precipitation
18%
· 0.0 in
Max wind
7 mph
Humidity
74%
UV index
4 - Moderate
Sunrise / sunset
06:01 AM / 07:00 PM
Monday, September 7
Overcast High 66° Low 52°Precipitation
17%
· 0.0 in
Max wind
7 mph
Humidity
78%
UV index
5 - Moderate
Sunrise / sunset
06:02 AM / 06:58 PM
Tuesday, September 8
Sunny High 68° Low 48°Precipitation
8%
· 0.0 in
Max wind
9 mph
Humidity
67%
UV index
5 - Moderate
Sunrise / sunset
06:03 AM / 06:57 PM
Bar Harbor 14-day outlook: the story
The warmest day of Bar Harbor's 14-day outlook is Wednesday, August 26 with a high near 82°F (28°C); the coolest night comes Tuesday, September 8, dipping to 48°F (9°C). The trend points cooler: week two runs about 8°F below week one. Highs over the next two weeks average 71°F (22°C), right in line with the typical August high of 73°F (23°C).
Precipitation is most likely on Friday 28, Sunday 30, Tuesday 1, Wednesday 2 and beyond; the wettest day looks like Wednesday, September 2 with about 0.81 in (20.6 mm) expected. For the weekend, expect Saturday 72°F (22°C) and overcast / Sunday 70°F (21°C) and overcast.
For typical conditions month by month, see the Bar Harbor climate & average temperatures guide.
Bar Harbor forecast questions
Will it rain in Bar Harbor this week?
The forecast currently shows meaningful precipitation chances on 6 of the next 14 days, peaking around Wednesday, September 2.
What will be the warmest day in Bar Harbor over the next 14 days?
Wednesday, August 26, with a forecast high near 82°F (28°C).
How accurate is a 14-day forecast for Bar Harbor?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.
Average temperatures in Bar Harbor by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 33° | 19° | 11 | 4.8 in | 5.7 h/day | 73% |
| February | 33° | 19° | 11 | 3.8 in | 6.6 h/day | 72% |
| March | 39° | 26° | 11 | 4.3 in | 7.6 h/day | 71% |
| April | 48° | 36° | 12 | 4.4 in | 8.3 h/day | 73% |
| May | 59° | 46° | 10 | 3.2 in | 10.0 h/day | 75% |
| June | 67° | 55° | 10 | 3.8 in | 10.4 h/day | 80% |
| July | 74° | 62° | 10 | 3.4 in | 10.8 h/day | 82% |
| August | 73° | 62° | 9 | 4.1 in | 10.3 h/day | 82% |
| September | 68° | 57° | 8 | 4.2 in | 9.1 h/day | 81% |
| October | 58° | 47° | 10 | 4.7 in | 7.3 h/day | 79% |
| November | 46° | 36° | 10 | 4.2 in | 6.2 h/day | 74% |
| December | 38° | 26° | 12 | 5.3 in | 5.3 h/day | 74% |
14-day forecasts nearby