Weather forecast for todayIslesboro, ME

Weather forecast for today

Current condition 6:29 am EST

  • 39°F
  • Feels like:
    39°F
Fog
Fog
  • Precipitation: 0"
  • Wind: 2mphE 100°
  • Humidity: 92%
  • Dewpoint: 37°F
  • Pressure: 30.16"Hg
  • Visibility: 1mi
  • UV index: 0
  • ▼
At the moment, a thick blanket of fog is covering the area, limiting long-distance visibility.
The temperature is an icy 39.2°F. The current temperature is near the lowest predicted 37.4°F for today.

Monday Oct 26, 2026

  • 63°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphWSW 252°
  • Humidity: 64%
  • UV index: 3
  • Sunrise: 7:05 am EDT
  • Sunset: 5:34 pm EDT
  • ▼
Today, on Monday, October 26, occasional clouds will pass by, but expect bright spells.
The temperature is anticipated to vary between a breezy 62.6°F and a cold 37.4°F.
The expected high of 62.6°F appears seasonally off, better matching September's typical values.
Sunrise was at 7:05 am and sunset will be at 5:34 pm; the daylight will last for 10h and 29min.

Hourly overview

Hourly temperatures

Warmest period: 2 pm - 4 pm 61°C.
Coldest hour: 8 am 43°C.

Chance of precipitation

Highest chance: 8 am 15%.

Hourly weather forecast

  • 8 am
  • 43°F
  • Feels like:
    43°F
Cloudy
Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 2mphSW 232°
  • Humidity: 91%
  • Pressure: 30.15"Hg
  • Visibility: 2mi
  • UV index: 0
  • ▼
  • 9 am
  • 46°F
  • Feels like:
    45°F
Cloudy
Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphSW 234°
  • Humidity: 81%
  • Pressure: 30.12"Hg
  • Visibility: 4mi
  • UV index: 0
  • ▼
  • 10 am
  • 50°F
  • Feels like:
    48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphSW 230°
  • Humidity: 72%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 11 am
  • 55°F
  • Feels like:
    54°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphSW 224°
  • Humidity: 57%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 57°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphSW 231°
  • Humidity: 54%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 1 pm
  • 59°F
  • Feels like:
    57°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphSW 233°
  • Humidity: 55%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 61°F
  • Feels like:
    59°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphWSW 247°
  • Humidity: 52%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 3 pm
  • 61°F
  • Feels like:
    61°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphWSW 250°
  • Humidity: 54%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 4 pm
  • 61°F
  • Feels like:
    61°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphWNW 290°
  • Humidity: 57%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 5 pm
  • 61°F
  • Feels like:
    59°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphWNW 300°
  • Humidity: 58%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 5:34 pm
  • 6 pm
  • 57°F
  • Feels like:
    57°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphNW 311°
  • Humidity: 62%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 7 pm
  • 55°F
  • Feels like:
    54°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphNW 320°
  • Humidity: 68%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 54°F
  • Feels like:
    52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 6mphNW 326°
  • Humidity: 72%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 52°F
  • Feels like:
    48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 8mphNNW 328°
  • Humidity: 73%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 50°F
  • Feels like:
    45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 11mphNNW 336°
  • Humidity: 74%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 48°F
  • Feels like:
    43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 12mphNNW 348°
  • Humidity: 70%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, in Islesboro, primarily cloudy and occasionally bright weather is predicted.
The temperature will be between the lowest temperature of 42.8°F and the highest temperature of 60.8°F. The warmest part of the day will be from 2 pm to 5 pm.
The maximum temperature will align more closely with September's average high of 67.1°F than with October's 55.8°F. The expected low will be more in line with what’s common in November than the current October average of 43.2°F.
Updated: Oct 26, 2026 @ 11:29:52 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (6:29 am EST) is 39.2°F.

On Monday, variable cloud cover will persist, but sunshine will break through.

Today, the highest temperature will be 62.6°F, while the lowest temperature will be 37.4°F.
The highest temperature will be a couple of degrees higher than the average maximum of 55.8°F in October. The lowest temperature will be also slightly cooler than the average low of 43.2°F.

On Monday, in Islesboro, sunrise was at 7:05 am and sunset will be at 5:34 pm (EDT).

In Islesboro, the length of the day today will be 10h and 29min.