As of 15:24 EDT

Weather in Southwest Harbor, ME

82°Current weather

Southwest Harbor, Sunday, 9 August, 15:24

Overcast. Feels like 86°. High 83°, low 66°.

Pressure29.83 inHg
Wind11.6 mph S
Humidity68%
Visibility2.1 mi
Dew point70°

10-day forecast for Southwest Harbor, ME: 54° to 83°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.

83°
Best day: Sunday, August 9
63° · 0.78 in
Worst day: Monday, August 17

Tap any day below to see morning, afternoon, evening and overnight.

Mon, 1081° / 66°0.02Light rain
MorningOvercast73°feels 74°
AfternoonOvercast79°feels 79°
EveningOvercast69°feels 70°
OvernightClear68°feels 68°
81 °Light rain

Southwest Harbor, Monday, 10 August

Light rain. High 81°, low 66°.

Pressure29.94 inHg
Wind9.1 mph SW
Humidity64%
Visibility6.2 mi
Dew point58°
Tue, 1171° / 62°0.07Light rain
MorningOvercast64°feels 64°
AfternoonOvercast69°feels 70°
EveningOvercast68°feels 68°
OvernightLight rain64°feels 65°
71 °Light rain

Southwest Harbor, Tuesday, 11 August

Light rain. High 71°, low 62°.

Pressure29.68 inHg
Wind7.7 mph SW
Humidity79%
Visibility6.2 mi
Dew point62°
Wed, 1270° / 61°0Overcast
MorningOvercast64°feels 64°
AfternoonOvercast68°feels 68°
EveningOvercast63°feels 63°
OvernightMostly clear62°feels 61°
70 °Overcast

Southwest Harbor, Wednesday, 12 August

Overcast. High 70°, low 61°.

Pressure29.74 inHg
Wind10.2 mph SW
Humidity61%
Visibility6.2 mi
Dew point55°
Thu, 1369° / 60°0.11Light rain
MorningPartly cloudy61°feels 62°
AfternoonLight rain65°feels 65°
EveningLight rain68°feels 67°
OvernightOvercast60°feels 60°
69 °Light rain

Southwest Harbor, Thursday, 13 August

Light rain. High 69°, low 60°.

Pressure29.68 inHg
Wind8.4 mph S
Humidity83%
Visibility3.2 mi
Dew point60°
Fri, 1466° / 57°0Clear
MorningClear60°feels 59°
AfternoonClear65°feels 64°
EveningClear65°feels 64°
OvernightClear58°feels 57°
66 °Clear

Southwest Harbor, Friday, 14 August

Clear. High 66°, low 57°.

Pressure29.91 inHg
Wind14.8 mph NW
Humidity58%
Visibility
Dew point49°
Sat, 1569° / 54°0Clear
MorningClear57°feels 56°
AfternoonClear65°feels 64°
EveningClear64°feels 63°
OvernightClear59°feels 58°
69 °Clear

Southwest Harbor, Saturday, 15 August

Clear. High 69°, low 54°.

Pressure30.12 inHg
Wind15.4 mph SW
Humidity54%
Visibility
Dew point47°
Sun, 1664° / 57°0.74Heavy rain
MorningHeavy rain59°feels 58°
AfternoonHeavy rain63°feels 63°
EveningHeavy rain61°feels 61°
OvernightHeavy rain57°feels 56°
64 °Heavy rain

Southwest Harbor, Sunday, 16 August

Heavy rain. High 64°, low 57°.

Pressure30.03 inHg
Wind31.8 mph SE
Humidity78%
Visibility
Dew point56°
Mon, 1763° / 57°0.78Heavy rain
MorningHeavy rain58°feels 58°
AfternoonHeavy rain58°feels 58°
EveningHeavy rain62°feels 61°
OvernightHeavy rain58°feels 57°
63 °Heavy rain

Southwest Harbor, Monday, 17 August

Heavy rain. High 63°, low 57°.

Pressure29.65 inHg
Wind32.1 mph E
Humidity92%
Visibility
Dew point55°
Tue, 1868° / 56°0Overcast
MorningOvercast59°feels 58°
AfternoonOvercast67°feels 66°
EveningOvercast66°feels 66°
OvernightOvercast60°feels 60°
68 °Overcast

Southwest Harbor, Tuesday, 18 August

Overcast. High 68°, low 56°.

Pressure30.03 inHg
Wind11.8 mph SW
Humidity71%
Visibility
Dew point55°

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 Southwest 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.