10-day forecast for Islesboro, ME: 58° to 80°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
80°
Best day: Monday, August 10
69° · 0.41 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1080° / 66°0
Morning70°feels 70°
Afternoon80°feels 81°
Evening69°feels 69°
Overnight69°feels 69°
80 °
Islesboro, Monday, 10 August
Overcast. High 80°, low 66°.
Pressure29.94 inHg
Wind9.3 mph S
Humidity57%
Visibility6.2 mi
Dew point58°
Tue, 1175° / 63°0.04
Morning66°feels 67°
Afternoon71°feels 71°
Evening70°feels 70°
Overnight67°feels 68°
75 °
Islesboro, Tuesday, 11 August
Light rain. High 75°, low 63°.
Pressure29.71 inHg
Wind2.7 mph SE
Humidity70%
Visibility6.2 mi
Dew point62°
Wed, 1277° / 61°0
Morning66°feels 66°
Afternoon77°feels 76°
Evening68°feels 68°
Overnight65°feels 64°
77 °
Islesboro, Wednesday, 12 August
Light rain. High 77°, low 61°.
Pressure29.77 inHg
Wind8.3 mph NW
Humidity42%
Visibility6.2 mi
Dew point50°
Thu, 1369° / 62°0.41
Morning63°feels 64°
Afternoon69°feels 69°
Evening68°feels 68°
Overnight62°feels 62°
69 °
Islesboro, Thursday, 13 August
Rain. High 69°, low 62°.
Pressure29.62 inHg
Wind15.9 mph W
Humidity82%
Visibility—
Dew point62°
Fri, 1471° / 58°0
Morning60°feels 59°
Afternoon67°feels 66°
Evening70°feels 69°
Overnight63°feels 62°
71 °
Islesboro, Friday, 14 August
Mostly clear. High 71°, low 58°.
Pressure29.71 inHg
Wind21 mph W
Humidity60%
Visibility—
Dew point51°
Sat, 1574° / 61°0
Morning63°feels 62°
Afternoon70°feels 69°
Evening72°feels 71°
Overnight62°feels 61°
74 °
Islesboro, Saturday, 15 August
Clear. High 74°, low 61°.
Pressure29.94 inHg
Wind14.2 mph NW
Humidity48%
Visibility—
Dew point47°
Sun, 1673° / 58°0
Morning62°feels 60°
Afternoon71°feels 70°
Evening69°feels 69°
Overnight61°feels 61°
73 °
Islesboro, Sunday, 16 August
Clear. High 73°, low 58°.
Pressure30.09 inHg
Wind11.5 mph SW
Humidity47%
Visibility—
Dew point48°
Mon, 1769° / 61°0.01
Morning64°feels 64°
Afternoon68°feels 67°
Evening66°feels 66°
Overnight62°feels 62°
69 °
Islesboro, Monday, 17 August
Light rain. High 69°, low 61°.
Pressure30.03 inHg
Wind12.4 mph S
Humidity67%
Visibility—
Dew point56°
Tue, 1862° / 58°0.13
Morning61°feels 61°
Afternoon62°feels 62°
Evening61°feels 61°
Overnight58°feels 58°
62 °
Islesboro, Tuesday, 18 August
Light rain. High 62°, low 58°.
Pressure29.94 inHg
Wind10.6 mph NE
Humidity95%
Visibility—
Dew point60°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Islesboro, ME around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.