Weather forecast for tomorrowSouthwest Harbor, ME
Weather forecast for tomorrow
Monday Oct 19, 2026
- 54°F
- 43°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 9mphS 180°
- Humidity: 70%
- UV index: 3
- Sunrise: 6:53 am EDT
- Sunset: 5:42 pm EDT
- details ▼
On Monday, October 19, a pleasant mix of sun and clouds will define the day.
The expected temperature range extends from a high of a crisp 53.6°F to a low of a brisk 42.8°F.
Forecasts show the temperature anticipated to reach the usual October high of 55.9°F.
Sunrise will be at 6:53 am and sunset at 5:42 pm; tomorrow's daylight will last for 10h and 49min.
The expected temperature range extends from a high of a crisp 53.6°F to a low of a brisk 42.8°F.
Forecasts show the temperature anticipated to reach the usual October high of 55.9°F.
Sunrise will be at 6:53 am and sunset at 5:42 pm; tomorrow's daylight will last for 10h and 49min.
Hourly overview
Hourly temperatures
Warmest period: 12 pm - 3 pm 54°C.
Minimum temperature: 45°C.
Minimum temperature: 45°C.
Chance of precipitation
Highest chance: 9 pm 6%.
Hourly weather forecast
- 12 am
- 45°F
- Feels like:41°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 5mphSSW 195°
- Humidity: 77%
- Pressure: 30.53"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 45°F
- Feels like:41°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 6mphSSW 198°
- Humidity: 76%
- Pressure: 30.53"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 45°F
- Feels like:43°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 6mphSSW 197°
- Humidity: 75%
- Pressure: 30.53"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 45°F
- Feels like:41°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphSSW 194°
- Humidity: 80%
- Pressure: 30.53"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 6:53 am
- 8 am
- 48°F
- Feels like:46°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 5mphSSW 195°
- Humidity: 75%
- Pressure: 30.53"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 52°F
- Feels like:48°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphS 188°
- Humidity: 68%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 54°F
- Feels like:50°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 8mphS 179°
- Humidity: 65%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 54°F
- Feels like:50°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 9mphS 179°
- Humidity: 65%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 4 pm
- 54°F
- Feels like:50°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 7mphS 174°
- Humidity: 68%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
Sunset: 5:42 pm
- 6 pm
- 50°F
- Feels like:50°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphS 170°
- Humidity: 77%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 8 pm
- 48°F
- Feels like:48°F
Mostly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 1mphS 172°
- Humidity: 87%
- Pressure: 30.33"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
- 10 pm
- 46°F
- Feels like:46°F
Mostly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 1mphESE 108°
- Humidity: 92%
- Pressure: 30.3"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
Tomorrow, a combination of sunny and overcast weather is predicted.
The temperature will vary between the lowest temperature of 44.6°F and the highest temperature of 53.6°F. The warmest part of the day will be from noon to 4 pm.
The forecasted high will be close to the typical October maximum of 55.9°F. The temperature low is forecasted to be also alike with the usual October value of 45°F.
The temperature will vary between the lowest temperature of 44.6°F and the highest temperature of 53.6°F. The warmest part of the day will be from noon to 4 pm.
The forecasted high will be close to the typical October maximum of 55.9°F. The temperature low is forecasted to be also alike with the usual October value of 45°F.
Updated: Oct 18, 2026 @ 10:25:43 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Tomorrow, partly cloudy skies will persist, making for a mix of sun and clouds.
Tomorrow, the maximum temperature will be 53.6°F, while the minimum temperature will be 42.8°F.
The maximum temperature will be in line with the average highest temperature of 55.9°F in October. The lowest temperature will be also in line with the average low of 45°F.
The maximum temperature will be in line with the average highest temperature of 55.9°F in October. The lowest temperature will be also in line with the average low of 45°F.
On Monday, in Southwest Harbor, sunrise will be at 6:53 am and sunset at 5:42 pm (EDT).
In Southwest Harbor, tomorrow, there will be 10h and 49min of daylight.
