Weather forecast for todayProspect Harbor, ME

Weather forecast for today

Current condition 3:32 am EDT

  • 45°F
  • Feels like:
    43°F
Clear
Clear
  • Precipitation: 0"
  • Wind: 4mphS 190°
  • Humidity: 68%
  • Dewpoint: 36°F
  • Pressure: 30.54"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
In Prospect Harbor, at the moment, visibility is at its best under a bright, clear sky.
The temperature is a chilly 44.6°F, with the feels-like temperature closely matching at 42.8°F. The current temperature is a few degrees off the highest temperature of the day.

Monday Oct 19, 2026

  • 54°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 9mphS 188°
  • Humidity: 70%
  • UV index: 3
  • Sunrise: 6:52 am EDT
  • Sunset: 5:41 pm EDT
  • ▼
On Monday, in Prospect Harbor, mostly sunny weather is likely, with high visibility.
The temperature is anticipated to vary between a fresh 53.6°F and a wintry 39.2°F.
The temperature will be in line with October's average maximum of 55.9°F.
Sunrise will be at 6:52 am and sunset at 5:41 pm; the daylight will last for 10h and 49min.

Hourly overview

Hourly temperatures

Warmest period: 12 pm - 4 pm 54°C.
Minimum temperature: 45°C.

Chance of precipitation

Highest chance: 10 pm 7%.

Hourly weather forecast

  • 4 am
  • 45°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphSSW 193°
  • Humidity: 69%
  • Pressure: 30.53"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 6 am
  • 45°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphSSW 196°
  • Humidity: 74%
  • Pressure: 30.53"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 6:52 am
  • 8 am
  • 46°F
  • Feels like:
    45°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphSSW 199°
  • Humidity: 79%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 52°F
  • Feels like:
    48°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 8mphSSW 192°
  • Humidity: 69%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 54°F
  • Feels like:
    50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphS 187°
  • Humidity: 65%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 54°F
  • Feels like:
    52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphS 183°
  • Humidity: 64%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 54°F
  • Feels like:
    50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphS 183°
  • Humidity: 67%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
Sunset: 5:41 pm
  • 6 pm
  • 50°F
  • Feels like:
    48°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphS 182°
  • Humidity: 78%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 46°F
  • Feels like:
    46°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 1mphS 187°
  • Humidity: 88%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 45°F
  • Feels like:
    45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 0mphSSW 199°
  • Humidity: 94%
  • Pressure: 30.3"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
Today, in Prospect Harbor, a combination of cloudy and bright weather is forecasted.
The temperature will be between the lowest temperature of 42.8°F and the highest temperature of 53.6°F. The warmest part of the day will be from 11 am to 4 pm.
The maximum temperature will be resembling the average high of 55.9°F in October. The expected low will be more alike with what’s common in November than the current October average of 45°F.
Updated: Oct 19, 2026 @ 07:32:02 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (3:32 am EDT) it is 44.6°F in Prospect Harbor.

On Monday, in Prospect Harbor, sunny intervals will be long-lasting, with few disruptions.

Today, the highest temperature will be 53.6°F, while the lowest temperature will be 39.2°F.
The maximum temperature will be in line with the average highest temperature of 55.9°F in October. The lowest temperature will be a couple of degrees lower than the average low of 45°F.

On Monday, in Prospect Harbor, sunrise will be at 6:52 am and sunset at 5:41 pm (EDT).

Today, the daylight will last for 10h and 49min.