Weather forecast for 10 daysProspect Harbor, ME
Weather forecast for the weekend
Sunday Oct 18, 2026
- 52°F
- 43°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 9mphWSW 248°
- Humidity: 55%
- UV index: 3
- Sunrise: 6:51 am EDT
- Sunset: 5:43 pm EDT
- details ▼
Tomorrow, on Sunday, October 18, expect sunny weather with a crisp, clear sky.
Temperature readings will slightly shift from a daytime peak of a fresh 51.8°F to a nighttime low of a frosty 42.8°F.
Tomorrow's highest temperature will be a couple of degrees lower than the average October maximum 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.
Temperature readings will slightly shift from a daytime peak of a fresh 51.8°F to a nighttime low of a frosty 42.8°F.
Tomorrow's highest temperature will be a couple of degrees lower than the average October maximum 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.
Minimum temperature: 52°C.
Minimum temperature: 52°C.
Chance of precipitation
Highest chance: 24%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 30°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 12mphNW 314°
- Humidity: 60%
- UV index: 0
- Sunrise: 6:49 am EDT
- Sunset: 5:44 pm EDT
- details ▼
- Sunday
- Oct 18, 2026
- 52°F
- 43°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 9mphWSW 248°
- Humidity: 55%
- UV index: 3
- Sunrise: 6:51 am EDT
- Sunset: 5:43 pm EDT
- details ▼
- Monday
- Oct 19, 2026
- 55°F
- 41°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 9mphS 184°
- Humidity: 70%
- UV index: 3
- Sunrise: 6:52 am EDT
- Sunset: 5:41 pm EDT
- details ▼
- Tuesday
- Oct 20, 2026
- 61°F
- 39°F
Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 12mphNNE 14°
- Humidity: 65%
- UV index: 2
- Sunrise: 6:53 am EDT
- Sunset: 5:39 pm EDT
- details ▼
- Wednesday
- Oct 21, 2026
- 55°F
- 39°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 11mphNE 46°
- Humidity: 66%
- UV index: 3
- Sunrise: 6:55 am EDT
- Sunset: 5:38 pm EDT
- details ▼
- Thursday
- Oct 22, 2026
- 57°F
- 39°F
AM Clouds / PM Sun
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 7mphN 11°
- Humidity: 70%
- UV index: 3
- Sunrise: 6:56 am EDT
- Sunset: 5:36 pm EDT
- details ▼
- Friday
- Oct 23, 2026
- 54°F
- 34°F
Mostly Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 14mphN 10°
- Humidity: 57%
- UV index: 3
- Sunrise: 6:57 am EDT
- Sunset: 5:35 pm EDT
- details ▼
- Saturday
- Oct 24, 2026
- 52°F
- 37°F
Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 8mphNE 34°
- Humidity: 61%
- UV index: 3
- Sunrise: 6:59 am EDT
- Sunset: 5:33 pm EDT
- details ▼
- Sunday
- Oct 25, 2026
- 57°F
- 41°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 8mphWSW 257°
- Humidity: 67%
- UV index: 3
- Sunrise: 7:00 am EDT
- Sunset: 5:31 pm EDT
- details ▼
- Monday
- Oct 26, 2026
- 59°F
- 41°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 9mphNW 311°
- Humidity: 68%
- UV index: 3
- Sunrise: 7:01 am EDT
- Sunset: 5:30 pm EDT
- details ▼
Forecasts for the ten-day outlook show that a combination of dry and sunny and overcast weather is forecasted.
Rainfall is not predicted in Prospect Harbor in the upcoming days.
In the upcoming period, the maximum temperature will range between 51.8°F and 60.8°F, while the lowest night temperatures will vary significantly, as the lowest temperatures will be recorded between 30.2°F and 42.8°F.
Tuesday will be the warmest day, with a maximum temperature of 60.8°F; the coldest days will be Sunday and next Saturday, with a maximum of 51.8°F.
Rainfall is not predicted in Prospect Harbor in the upcoming days.
In the upcoming period, the maximum temperature will range between 51.8°F and 60.8°F, while the lowest night temperatures will vary significantly, as the lowest temperatures will be recorded between 30.2°F and 42.8°F.
Tuesday will be the warmest day, with a maximum temperature of 60.8°F; the coldest days will be Sunday and next Saturday, with a maximum of 51.8°F.
Updated: Oct 17, 2026 @ 22:10:11 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
On Sunday, in Prospect Harbor, sunny skies are in store, with excellent visibility.
Tomorrow, the highest temperature will be 51.8°F, while the lowest temperature will be 42.8°F.
Tomorrow, the maximum temperature will be a few degrees lower than the average highest temperature in October. Tomorrow, the lowest temperature will be in line with the average low temperature.
Tomorrow, the maximum temperature will be a few degrees lower than the average highest temperature in October. Tomorrow, the lowest temperature will be in line with the average low temperature.
On Sunday, in Prospect Harbor, sunrise will be at 6:51 am and sunset at 5:43 pm (EDT).
Tomorrow, the daylight will last for 10h and 52min.





