10-day forecast for Summer Harbor, ME: 56° to 84°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
84°
Best day: Sunday, August 9
67° · 0.31 in
Worst day: Tuesday, August 18
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1079° / 63°0.05
Morning72°feels 73°
Afternoon79°feels 79°
Evening71°feels 71°
Overnight68°feels 68°
79 °
Summer Harbor, Monday, 10 August
Rain. High 79°, low 63°.
Pressure29.94 inHg
Wind9.2 mph SW
Humidity55%
Visibility6.2 mi
Dew point57°
Tue, 1173° / 60°0.11
Morning64°feels 64°
Afternoon73°feels 73°
Evening66°feels 66°
Overnight62°feels 62°
73 °
Summer Harbor, Tuesday, 11 August
Light rain. High 73°, low 60°.
Pressure29.68 inHg
Wind7.2 mph SW
Humidity70%
Visibility6.2 mi
Dew point61°
Wed, 1274° / 59°0
Morning64°feels 64°
Afternoon74°feels 73°
Evening65°feels 65°
Overnight61°feels 60°
74 °
Summer Harbor, Wednesday, 12 August
Overcast. High 74°, low 59°.
Pressure29.74 inHg
Wind6 mph SW
Humidity51%
Visibility6.2 mi
Dew point52°
Thu, 1367° / 59°0.17
Morning61°feels 61°
Afternoon64°feels 64°
Evening66°feels 66°
Overnight63°feels 63°
67 °
Summer Harbor, Thursday, 13 August
Light rain. High 67°, low 59°.
Pressure29.65 inHg
Wind11 mph SW
Humidity91%
Visibility—
Dew point60°
Fri, 1468° / 57°0
Morning60°feels 59°
Afternoon65°feels 64°
Evening65°feels 64°
Overnight59°feels 58°
68 °
Summer Harbor, Friday, 14 August
Partly cloudy. High 68°, low 57°.
Pressure29.68 inHg
Wind17.8 mph W
Humidity60%
Visibility—
Dew point50°
Sat, 1569° / 59°0.01
Morning60°feels 59°
Afternoon64°feels 64°
Evening67°feels 67°
Overnight61°feels 60°
69 °
Summer Harbor, Saturday, 15 August
Light rain. High 69°, low 59°.
Pressure29.74 inHg
Wind18 mph W
Humidity69%
Visibility—
Dew point52°
Sun, 1671° / 56°0
Morning59°feels 58°
Afternoon67°feels 66°
Evening64°feels 63°
Overnight59°feels 59°
71 °
Summer Harbor, Sunday, 16 August
Clear. High 71°, low 56°.
Pressure30.03 inHg
Wind11 mph S
Humidity58%
Visibility—
Dew point51°
Mon, 1763° / 59°0
Morning61°feels 61°
Afternoon63°feels 63°
Evening61°feels 60°
Overnight60°feels 59°
63 °
Summer Harbor, Monday, 17 August
Light rain. High 63°, low 59°.
Pressure30.09 inHg
Wind9.8 mph S
Humidity74%
Visibility—
Dew point55°
Tue, 1867° / 58°0.31
Morning60°feels 60°
Afternoon63°feels 63°
Evening63°feels 64°
Overnight58°feels 58°
67 °
Summer Harbor, Tuesday, 18 August
Light rain. High 67°, low 58°.
Pressure30.00 inHg
Wind10.5 mph SE
Humidity90%
Visibility—
Dew point59°
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 Summer Harbor, 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.