Islesboro, ME Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Islesboro, ME in one place.
Sunny, with a high near 73. Northwest wind around 12 mph.
Local Weather Overview
This forecast page for Islesboro, ME is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 17, 2026 1:43 PM EDT.
The active forecast window currently covers Jul 17 to Jul 23, 2026 for Islesboro, ME.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 17 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 1:43 PM EDT
- Forecast office
- GYX
- Source
- NOAA / NWS
Daily Outlook
This Week in Islesboro
Sunday looks like the warmest upcoming period in Islesboro at 76 degrees F.
Sunday Night is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Saturday Night at about 13 to 24 mph SW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 17, 2026 1:43 PM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- GYX
- Radar station
- KGYX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 58. West wind 2 to 10 mph.
Patchy smoke after noon. Mostly sunny, with a high near 69. South wind 2 to 22 mph. New rainfall amounts less than a tenth of an inch possible.
Areas of smoke and scattered rain showers before 7pm, then rain showers likely and areas of smoke between 7pm and 8pm, then showers and thunderstorms. Mostly cloudy, with a low around 60. Southwest wind 13 to 24 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Isolated rain showers before 7am. Mostly sunny, with a high near 76. West wind 14 to 18 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Mostly clear, with a low around 57. West wind 8 to 14 mph.
Sunny, with a high near 72. Southwest wind 7 to 14 mph.
Partly cloudy, with a low around 57.
A slight chance of rain showers after 5pm. Partly sunny, with a high near 66. Chance of precipitation is 20%.
A chance of rain showers before 8pm, then showers and thunderstorms. Mostly cloudy, with a low around 58. Chance of precipitation is 80%.
Rain showers likely before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 68. Chance of precipitation is 70%.
A chance of showers and thunderstorms before 4am. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.
Mostly sunny, with a high near 70.
Partly cloudy, with a low around 59.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Jul 17
|
Sunny
|
73°F |
12 mph
NW
|
|
Tonight
Jul 17
|
Mostly Clear
|
58°F |
2 to 10 mph
W
|
|
Saturday
Jul 18
|
Mostly Sunny then Patchy Smoke
|
69°F |
2 to 22 mph
S
|
|
Saturday Night
Jul 18
|
Showers And Thunderstorms
|
60°F |
13 to 24 mph
SW
|
|
Sunday
Jul 19
|
Isolated Rain Showers then Mostly Sunny
|
76°F |
14 to 18 mph
W
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
57°F |
8 to 14 mph
W
|
|
Monday
Jul 20
|
Sunny
|
72°F |
7 to 14 mph
SW
|
|
Monday Night
Jul 20
|
Partly Cloudy
|
57°F |
6 to 13 mph
S
|
|
Tuesday
Jul 21
|
Partly Sunny then Slight Chance Rain Showers
|
66°F |
7 to 15 mph
S
|
|
Tuesday Night
Jul 21
|
Showers And Thunderstorms
|
58°F |
15 mph
S
|
|
Wednesday
Jul 22
|
Rain Showers Likely
|
68°F |
16 mph
S
|
|
Wednesday Night
Jul 22
|
Chance Showers And Thunderstorms
|
59°F |
6 to 13 mph
W
|
|
Thursday
Jul 23
|
Mostly Sunny
|
70°F |
6 to 9 mph
W
|
|
Thursday Night
Jul 23
|
Partly Cloudy
|
59°F |
1 to 8 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Islesboro.
