Weather forecast for 10 daysBar Harbor, ME

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 46°F
  • 30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 16mphNW 319°
  • Humidity: 44%
  • UV index: 3
  • Sunrise: 6:50 am EDT
  • Sunset: 5:45 pm EDT
  • ▼
On Saturday, in Bar Harbor, moderate cloud cover will mix with sunshine throughout the day.
The temperature variation is forecasted to range from a maximum of a brisk 46.4°F to a minimum of a subzero 30.2°F.
The expected temperature of 46.4°F resembles November's typical high of 44.8°F more than October's.
Sunrise was at 6:50 am and sunset will be at 5:45 pm; the daylight will last for 10h and 55min.

Sunday Oct 18, 2026

  • 52°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphWSW 250°
  • Humidity: 53%
  • UV index: 3
  • Sunrise: 6:51 am EDT
  • Sunset: 5:43 pm EDT
  • ▼
Tomorrow, on Sunday, clear and sunny conditions are also expected.
A mild temperature range, peaking at a cool 51.8°F and bottoming out at a chilly 42.8°F, is anticipated.
The highest temperature for tomorrow is forecasted to be moderately lower than the average October temperature of 55.9°F.
Sunrise will be at 6:51 am and sunset at 5:43 pm; tomorrow's daylight will last for 10h and 52min.

10-day overview

Daily temperatures

Warmest day: Tuesday 61°C.
Coldest day: today 46°C.

Chance of precipitation

Highest chance: Thursday 24%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 46°F
  • 30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 16mphNW 319°
  • Humidity: 44%
  • UV index: 3
  • Sunrise: 6:50 am EDT
  • Sunset: 5:45 pm EDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 52°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphWSW 250°
  • Humidity: 53%
  • UV index: 3
  • Sunrise: 6:51 am EDT
  • Sunset: 5:43 pm EDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 55°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 9mphS 182°
  • Humidity: 70%
  • UV index: 3
  • Sunrise: 6:53 am EDT
  • Sunset: 5:42 pm EDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 61°F
  • 37°F
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 10mphNNE 14°
  • Humidity: 64%
  • UV index: 3
  • Sunrise: 6:54 am EDT
  • Sunset: 5:40 pm EDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 55°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 10mphNE 45°
  • Humidity: 66%
  • UV index: 3
  • Sunrise: 6:55 am EDT
  • Sunset: 5:39 pm EDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 57°F
  • 39°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 7mphNNE 26°
  • Humidity: 75%
  • UV index: 2
  • Sunrise: 6:57 am EDT
  • Sunset: 5:37 pm EDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 54°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0"
  • Wind: 12mphNNE 18°
  • Humidity: 63%
  • UV index: 3
  • Sunrise: 6:58 am EDT
  • Sunset: 5:35 pm EDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 54°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0"
  • Wind: 9mphNNE 28°
  • Humidity: 67%
  • UV index: 3
  • Sunrise: 6:59 am EDT
  • Sunset: 5:34 pm EDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 57°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 7mphNNE 27°
  • Humidity: 67%
  • UV index: 3
  • Sunrise: 7:01 am EDT
  • Sunset: 5:32 pm EDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 59°F
  • 43°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 14%
  • Precipitation: 0"
  • Wind: 8mphNW 315°
  • Humidity: 72%
  • UV index: 3
  • Sunrise: 7:02 am EDT
  • Sunset: 5:31 pm EDT
  • ▼
Weather models show that a combination of cloud-filled and mostly clear weather is predicted.
Rainfall is not anticipated in Bar Harbor in the upcoming days.
Substantial differences in temperature are forecasted over the next several days. The temperature is expected to swing from 46.4°F up to 60.8°F, while there will be also a marked difference in overnight low temperatures, as nighttime lows are forecast to fall between 30.2°F and 42.8°F.
Expect the warmest day on Tuesday, with temperatures peaking at 60.8°F; today is the coldest day, with a maximum temperature of 46.4°F.
Updated: Oct 17, 2026 @ 17:33:23 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Saturday, clouds will come and go, but expect bright periods in between.

Today, the highest temperature will be 46.4°F, while the lowest temperature will be 30.2°F.
The maximum temperature will be notably lower than the average highest temperature of 55.9°F in October. The lowest temperature will be also notably lower than the average low of 45°F.

On Saturday, in Bar Harbor, sunrise was at 6:50 am and sunset will be at 5:45 pm (EDT).

Today, the daylight will last for 10h and 55min.

Tomorrow, in Bar Harbor, sunny skies and pleasant visibility are expected.

Tomorrow, the maximum temperature will be 51.8°F, while the minimum temperature will be 42.8°F.
The maximum temperature will be moderately lower than the average highest temperature of 55.9°F in October. The lowest temperature tomorrow will be in line with the average low temperature.

On Sunday, in Bar Harbor, sunrise will be at 6:51 am and sunset at 5:43 pm (EDT).

In Bar Harbor, the length of the day tomorrow will be 10h and 52min.