Bar Harbor, ME 14-Day Forecast
Maine, United States 🇺🇸
54°
Overcast right now
Today: high 67°, low 46°
Updated 1 min ago
Bar Harbor weather for the next 14 days
Wednesday, September 16
Overcast High 66° Low 51°Precipitation
13%
· 0.0 in
Max wind
12 mph
Humidity
77%
UV index
6 - Moderate
Sunrise / sunset
06:13 AM / 06:42 PM
Thursday, September 17
Overcast High 67° Low 55°Precipitation
77%
· 0.12 in
Max wind
8 mph
Humidity
83%
UV index
4 - Moderate
Sunrise / sunset
06:14 AM / 06:40 PM
Friday, September 18
Sunny High 68° Low 49°Precipitation
59%
· 0.16 in
Max wind
16 mph
Humidity
67%
UV index
5 - Moderate
Sunrise / sunset
06:15 AM / 06:38 PM
Saturday, September 19
Sunny High 61° Low 41°Precipitation
4%
· 0.0 in
Max wind
9 mph
Humidity
61%
UV index
5 - Moderate
Sunrise / sunset
06:16 AM / 06:36 PM
Sunday, September 20
Sunny High 60° Low 45°Precipitation
15%
· 0.0 in
Max wind
13 mph
Humidity
81%
UV index
5 - Moderate
Sunrise / sunset
06:17 AM / 06:34 PM
Monday, September 21
Overcast High 61° Low 49°Precipitation
24%
· 0.0 in
Max wind
6 mph
Humidity
86%
UV index
4 - Moderate
Sunrise / sunset
06:18 AM / 06:32 PM
Tuesday, September 22
Sunny High 66° Low 48°Precipitation
7%
· 0.0 in
Max wind
7 mph
Humidity
70%
UV index
5 - Moderate
Sunrise / sunset
06:20 AM / 06:30 PM
Wednesday, September 23
Sunny High 59° Low 44°Precipitation
9%
· 0.0 in
Max wind
8 mph
Humidity
66%
UV index
4 - Moderate
Sunrise / sunset
06:21 AM / 06:29 PM
Thursday, September 24
Overcast High 58° Low 43°Precipitation
19%
· 0.0 in
Max wind
12 mph
Humidity
80%
UV index
3 - Moderate
Sunrise / sunset
06:22 AM / 06:27 PM
Friday, September 25
Light rain shower High 61° Low 56°Precipitation
91%
· 0.36 in
Max wind
17 mph
Humidity
94%
UV index
4 - Moderate
Sunrise / sunset
06:23 AM / 06:25 PM
Saturday, September 26
Patchy rain nearby High 64° Low 61°Precipitation
93%
· 1.51 in
Max wind
25 mph
Humidity
96%
UV index
4 - Moderate
Sunrise / sunset
06:24 AM / 06:23 PM
Sunday, September 27
Patchy rain nearby High 66° Low 60°Precipitation
87%
· 0.11 in
Max wind
20 mph
Humidity
96%
UV index
4 - Moderate
Sunrise / sunset
06:26 AM / 06:21 PM
Monday, September 28
Overcast High 59° Low 52°Precipitation
69%
· 0.04 in
Max wind
13 mph
Humidity
87%
UV index
3 - Moderate
Sunrise / sunset
06:27 AM / 06:19 PM
Bar Harbor 14-day outlook: the story
The warmest day of Bar Harbor's 14-day outlook is Friday, September 18 with a high near 68°F (20°C); the coolest night comes Saturday, September 19, dipping to 41°F (5°C). Temperatures hold fairly steady from week to week. Highs over the next two weeks average 64°F (18°C), about 4°F (2°C) below the typical September high of 68°F (20°C).
Precipitation is most likely on Thursday 17, Friday 18, Friday 25, Saturday 26 and beyond; the wettest day looks like Saturday, September 26 with about 1.51 in (38.2 mm) expected. For the weekend, expect Saturday 61°F (16°C) and sunny / Sunday 60°F (16°C) and sunny.
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 Saturday, September 26.
What will be the warmest day in Bar Harbor over the next 14 days?
Friday, September 18, with a forecast high near 68°F (20°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