Islesboro, Maine 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Heavy Drizzle 62°F 17°C	Observed at: Islesboro, ME	Elevation: 530 ft | 162 m
	Last Updated: July 29, 7:30 AM Timezone: GMT -5/-4
	Sky Conditions: Heavy Drizzle	Temperature: 62°F | 17°C
	Pressure: 29.68 in | 1005 mb	Dewpoint: 59°F | 15°C
	Humidity: 91%	Wind: ESE 5 mph | ESE 8 kph
	Feels Like: 63°F | 17°C	Visibility: 14.5 mi | 23.3 km
	Lat/Long: 44.3 | -68.92	Sunrise: 5:20 AM   Sunset: 8:04 PM

7 Day Graphical Forecast

Valid: 7:35 AM 7/29/2026

Today Foggy 67 |60 °F 19 |16 °C 14% Chance Precipitation Thursday Light Rain 64 |61 °F 18 |16 °C 70% Chance Precipitation Friday Light Drizzle 78 |61 °F 26 |16 °C 70% Chance Precipitation Saturday Overcast 79 |59 °F 26 |15 °C 2% Chance Precipitation Sunday Overcast 83 |61 °F 28 |16 °C 23% Chance Precipitation Monday Light Showers 69 |63 °F 21 |17 °C 36% Chance Precipitation Tuesday Overcast 86 |61 °F 30 |16 °C 12% Chance Precipitation

7 Hour Graphical Forecast

Valid: 7:35 AM 7/29/2026

7 AM Overcast 61 °F 0% Chance Precipitation

8 AM Overcast 60 °F 0% Chance Precipitation

9 AM Overcast 62 °F 0% Chance Precipitation

10 AM Partly Cloudy 63 °F 0% Chance Precipitation

11 AM Overcast 66 °F 0% Chance Precipitation

12 PM Overcast 67 °F 0% Chance Precipitation

1 PM Overcast 65 °F 0% Chance Precipitation

7 Day Textual Forecast - with QPF, Max Wind, Humidity, Snowfall & UV Index

7 Day & Night Weather Forecast for Islesboro, ME - (Fahrenheit & Celsius) Valid: 7:35 AM 7/29/2026 Today Foggy with a high near 67°F [19°C]. E wind to around 12 mph [19 kph], with gusts to near 23 mph [37 kph]. Dewpoint near 59°F [15°C] with humidity of 100%. Pressure around 29.68 in [1005 mb]. UV Index: 6. Chance of precipitation 14% with QPF of 0.00 in [0.0 mm]. Tonight Foggy with a low around 60°F [16°C]. E wind to around 12 mph [19 kph], with gusts to near 23 mph [37 kph]. Chance of precipitation 14% with QPF of 0.00 in [0.0 mm]. Thursday Light Rain with a high near 64°F [18°C]. NNE wind to around 10 mph [16 kph], with gusts to near 23 mph [37 kph]. Dewpoint near 59°F [15°C] with humidity of 99%. Pressure around 29.68 in [1005 mb]. UV Index: 1.05. Chance of precipitation 70% with QPF of 0.30 in [7.7 mm]. Thursday Night Light Rain with a low around 61°F [16°C]. NNE wind to around 10 mph [16 kph], with gusts to near 23 mph [37 kph]. Chance of precipitation 70% with QPF of 0.30 in [7.7 mm]. Friday Light Drizzle with a high near 78°F [26°C]. N wind to around 9 mph [15 kph], with gusts to near 18 mph [29 kph]. Dewpoint near 59°F [15°C] with humidity of 99%. Pressure around 29.68 in [1005 mb]. UV Index: 6.9. Chance of precipitation 70% with QPF of 0.01 in [0.2 mm]. Friday Night Light Drizzle with a low around 61°F [16°C]. N wind to around 9 mph [15 kph], with gusts to near 18 mph [29 kph]. Chance of precipitation 70% with QPF of 0.01 in [0.2 mm]. Saturday Overcast with a high near 79°F [26°C]. S wind to around 10 mph [16 kph], with gusts to near 14 mph [23 kph]. Dewpoint near 59°F [15°C] with humidity of 96%. Pressure around 29.68 in [1005 mb]. UV Index: 6.4. Chance of precipitation 2% with QPF of 0.00 in [0.0 mm]. Saturday Night Overcast with a low around 59°F [15°C]. S wind to around 10 mph [16 kph], with gusts to near 14 mph [23 kph]. Chance of precipitation 2% with QPF of 0.00 in [0.0 mm]. Sunday Overcast with a high near 83°F [28°C]. S wind to around 13 mph [20 kph], with gusts to near 22 mph [36 kph]. Dewpoint near 59°F [15°C] with humidity of 98%. Pressure around 29.68 in [1005 mb]. UV Index: 6.75. Chance of precipitation 23% with QPF of 0.00 in [0.0 mm]. Sunday Night Overcast with a low around 61°F [16°C]. S wind to around 13 mph [20 kph], with gusts to near 22 mph [36 kph]. Chance of precipitation 23% with QPF of 0.00 in [0.0 mm]. Monday Light Showers with a high near 69°F [21°C]. S wind to around 10 mph [16 kph], with gusts to near 26 mph [41 kph]. Dewpoint near 59°F [15°C] with humidity of 100%. Pressure around 29.68 in [1005 mb]. UV Index: 1.5. Chance of precipitation 36% with QPF of 0.26 in [6.6 mm]. Monday Night Light Showers with a low around 63°F [17°C]. S wind to around 10 mph [16 kph], with gusts to near 26 mph [41 kph]. Chance of precipitation 36% with QPF of 0.26 in [6.6 mm]. Tuesday Overcast with a high near 86°F [30°C]. WNW wind to around 13 mph [21 kph], with gusts to near 22 mph [35 kph]. Dewpoint near 59°F [15°C] with humidity of 99%. Pressure around 29.68 in [1005 mb]. UV Index: 7. Chance of precipitation 12% with QPF of 0.00 in [0.0 mm]. Tuesday Night Overcast with a low around 61°F [16°C]. WNW wind to around 13 mph [21 kph], with gusts to near 22 mph [35 kph]. Chance of precipitation 12% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for Islesboro, ME

Today: 0.0 mm | 0.00 in

Tonight: 0.0 mm | 0.00 in

Thursday: 7.7 mm | 0.30 in

Thursday Night: 7.7 mm | 0.30 in

Friday: 0.2 mm | 0.01 in

Friday Night: 0.2 mm | 0.01 in

Saturday: 0.0 mm | 0.00 in

Saturday Night: 0.0 mm | 0.00 in

Sunday: 0.0 mm | 0.00 in

Sunday Night: 0.0 mm | 0.00 in

Monday: 6.6 mm | 0.26 in

Monday Night: 6.6 mm | 0.26 in

Tuesday: 0.0 mm | 0.00 in

Tuesday Night: 0.0 mm | 0.00 in

7 Day and Night - Maximum Wind Speed Forecast for Islesboro, ME

Today: E @ 19 kph | 12 mph

Tonight: E @ 19 kph | 12 mph

Thursday: NNE @ 16 kph | 10 mph

Thursday Night: NNE @ 16 kph | 10 mph

Friday: N @ 15 kph | 9 mph

Friday Night: N @ 15 kph | 9 mph

Saturday: S @ 16 kph | 10 mph

Saturday Night: S @ 16 kph | 10 mph

Sunday: S @ 20 kph | 13 mph

Sunday Night: S @ 20 kph | 13 mph

Monday: S @ 16 kph | 10 mph

Monday Night: S @ 16 kph | 10 mph

Tuesday: WNW @ 21 kph | 13 mph

Tuesday Night: WNW @ 21 kph | 13 mph

7 Day and Night - Maximum Humidity Forecast for Islesboro, ME

Today: 100 %

Tonight: 100 %

Thursday: 99 %

Thursday Night: 99 %

Friday: 99 %

Friday Night: 99 %

Saturday: 96 %

Saturday Night: 96 %

Sunday: 98 %

Sunday Night: 98 %

Monday: 100 %

Monday Night: 100 %

Tuesday: 99 %

Tuesday Night: 99 %

7 Day and Night - Snowfall Totals Forecast for Islesboro, ME

Today: 0.0 cm | 0.00 in

Tonight: 0.0 cm | 0.00 in

Thursday: 0.0 cm | 0.00 in

Thursday Night: 0.0 cm | 0.00 in

Friday: 0.0 cm | 0.00 in

Friday Night: 0.0 cm | 0.00 in

Saturday: 0.0 cm | 0.00 in

Saturday Night: 0.0 cm | 0.00 in

Sunday: 0.0 cm | 0.00 in

Sunday Night: 0.0 cm | 0.00 in

Monday: 0.0 cm | 0.00 in

Monday Night: 0.0 cm | 0.00 in

Tuesday: 0.0 cm | 0.00 in

Tuesday Night: 0.0 cm | 0.00 in

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