Southwest Harbor, ME Weather Forecast and Current Conditions
| Day | Sky | High / Low | Precip | Wind | Humidity | |
|---|---|---|---|---|---|---|
|
Tue Jul 28 |
 |
Mostly Sunny Close Hourly |
70º / 57º | 17% | SSE 8 mph | 72% |
| 8am |  |
Sunny | 61º | 1% | SSE 4 mph | 83% |
| 9am | |
Sunny | 63º | 1% | SSE 4 mph | 76% |
| 10am | |
Sunny | 64º | 1% | SE 5 mph | 73% |
| 11am | |
Sunny | 66º | 1% | SSE 7 mph | 70% |
| 12pm | |
Sunny | 65º | 1% | SSE 7 mph | 74% |
| 1pm | |
Mostly Sunny | 66º | 2% | SSE 7 mph | 74% |
| 2pm | |
Mostly Sunny | 67º | 2% | SSE 7 mph | 73% |
| 3pm | |
Mostly Sunny | 68º | 3% | SSE 7 mph | 73% |
| 4pm |  |
Partly Cloudy | 67º | 6% | SSE 8 mph | 77% |
| 5pm | |
Partly Cloudy | 65º | 8% | SSE 8 mph | 81% |
| 6pm |  |
Mostly Cloudy | 64º | 17% | SSE 7 mph | 84% |
| 7pm |  |
Cloudy | 63º | 23% | SSE 6 mph | 88% |
| 8pm | |
Mostly Cloudy | 61º | 24% | SSE 4 mph | 94% |
| 9pm |  |
Few Showers | 60º | 34% | SE 4 mph | 98% |
| 10pm |  |
Foggy | 61º | 24% | SE 5 mph | 98% |
| 11pm | |
Foggy | 60º | 24% | SE 4 mph | 100% |
|
Wed Jul 29 |
|
AM Fog/PM Clouds View Hourly |
65º / 58º | 24% | ESE 10 mph | 91% |
| 12am | |
Foggy | 60º | 24% | SE 3 mph | 100% |
| 1am | |
Foggy | 59º | 24% | SE 4 mph | 100% |
| 2am | |
Foggy | 59º | 23% | SE 4 mph | 100% |
| 3am | |
Foggy | 59º | 24% | SE 3 mph | 100% |
| 4am | |
Foggy | 59º | 24% | SE 4 mph | 100% |
| 5am | |
Foggy | 59º | 21% | SE 4 mph | 100% |
| 6am | |
Foggy | 58º | 20% | SE 5 mph | 100% |
| 7am | |
Foggy | 59º | 21% | ESE 5 mph | 100% |
| 8am | |
Foggy | 60º | 19% | ESE 7 mph | 99% |
| 9am | |
Foggy | 61º | 18% | ESE 8 mph | 96% |
| 10am | |
Foggy | 62º | 16% | ESE 9 mph | 94% |
| 11am | |
Cloudy | 63º | 20% | ESE 10 mph | 93% |
| 12pm | |
Cloudy | 63º | 16% | ESE 10 mph | 90% |
| 1pm | |
Cloudy | 64º | 17% | ESE 10 mph | 87% |
| 2pm | |
Cloudy | 64º | 17% | ESE 10 mph | 84% |
| 3pm | |
Cloudy | 64º | 19% | ESE 10 mph | 87% |
| 4pm | |
Cloudy | 64º | 21% | ESE 10 mph | 87% |
| 5pm | |
Cloudy | 64º | 24% | E 9 mph | 87% |
| 6pm | |
Cloudy | 63º | 24% | E 9 mph | 86% |
| 7pm | |
Cloudy | 63º | 20% | E 8 mph | 87% |
| 8pm | |
Cloudy | 61º | 23% | E 8 mph | 91% |
| 9pm | |
Cloudy | 61º | 24% | E 7 mph | 96% |
| 10pm | |
Cloudy | 60º | 23% | E 7 mph | 98% |
| 11pm | |
Cloudy | 60º | 22% | E 7 mph | 99% |
|
Thu Jul 30 |
 |
Rain View Hourly |
67º / 59º | 75% | ENE 13 mph | 90% |
| 12am | |
Cloudy | 60º | 22% | E 7 mph | 99% |
| 1am | |
Cloudy | 60º | 24% | E 7 mph | 99% |
| 2am | |
Few Showers | 59º | 34% | ENE 8 mph | 100% |
| 3am | |
Cloudy | 59º | 20% | ENE 8 mph | 100% |
| 4am | |
Cloudy | 59º | 24% | ENE 8 mph | 99% |
| 5am | |
Cloudy | 59º | 24% | ENE 9 mph | 100% |
| 6am | |
Showers | 59º | 38% | ENE 9 mph | 100% |
| 7am | |
Showers | 60º | 53% | ENE 10 mph | 100% |
|
Fri Jul 31 |
 |
AM Showers | 69º / 57º | 38% | NE 8 mph | 84% |
|
Sat Aug 1 |
|
Partly Cloudy | 71º / 58º | 20% | SSW 9 mph | 81% |
|
Sun Aug 2 |
|
Mostly Cloudy | 71º / 59º | 22% | S 10 mph | 84% |
|
Mon Aug 3 |
|
Showers | 71º / 59º | 58% | SSW 10 mph | 83% |
|
Tue Aug 4 |
|
AM Showers | 77º / 60º | 35% | WNW 11 mph | 66% |
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Buoy Data
For Southwest Harbor, ME -
Wind Forecast
In Southwest Harbor, ME -
Radar
In Southwest Harbor, ME -
Marine Forecast
In Southwest Harbor, ME
Weather Radar for Southwest Harbor, ME See Radar
* Playback displays weather for the past 6 hours.
NOAA Weather Marine Forecast for Southwest Harbor, ME
Tuesday
High : 70ºF
Variable winds less than 5 kt becoming SSE around 6 kt in the afternoon. Mostly sunny. Seas 1 ft or less.
Variable winds less than 5 kt becoming SSE around 6 kt in the afternoon. Mostly sunny. Seas 1 ft or less.
Tuesday Night
Low : 57ºF
Variable winds 5 kt or less. Patchy fog after 9pm. Seas 1 ft or less.
Variable winds 5 kt or less. Patchy fog after 9pm. Seas 1 ft or less.
Wednesday
High : 68ºF
E wind 5 to 9 kt, with gusts as high as 17 kt. Isolated showers after 3pm. Patchy fog before 9am. Seas 1 ft or less.
E wind 5 to 9 kt, with gusts as high as 17 kt. Isolated showers after 3pm. Patchy fog before 9am. Seas 1 ft or less.
Wednesday Night
Low : 57ºF
ENE wind around 7 kt. Rain likely, mainly after midnight. Patchy fog after 3am. Seas 2 to 3 ft.
ENE wind around 7 kt. Rain likely, mainly after midnight. Patchy fog after 3am. Seas 2 to 3 ft.
Thursday
High : 68ºF
ENE wind around 10 kt, with gusts as high as 19 kt. Rain, with thunderstorms also possible after 1pm. Patchy fog before 10am. Seas around 1 ft.
ENE wind around 10 kt, with gusts as high as 19 kt. Rain, with thunderstorms also possible after 1pm. Patchy fog before 10am. Seas around 1 ft.
Thursday Night
Low : 57ºF
NE wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Rain likely, mainly before 7pm, then a chance of showers after 8pm. Patchy fog after 3am. Seas 1 ft building to 3 ft.
NE wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Rain likely, mainly before 7pm, then a chance of showers after 8pm. Patchy fog after 3am. Seas 1 ft building to 3 ft.
Friday
High : 71ºF
Variable winds less than 5 kt becoming NE around 6 kt in the morning. A slight chance of showers. Patchy fog before 8am. Seas 1 ft or less.
Variable winds less than 5 kt becoming NE around 6 kt in the morning. A slight chance of showers. Patchy fog before 8am. Seas 1 ft or less.
Friday Night
Low : 58ºF
Variable winds 5 kt or less. A slight chance of showers. Seas 1 ft or less.
Variable winds 5 kt or less. A slight chance of showers. Seas 1 ft or less.
Saturday
High : 74ºF
Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.
Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.
NOAA Buoy Data Near Southwest Harbor, ME See Map
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Wind Speed Forecast for Southwest Harbor, ME
| Tuesday | Wednesday | Thursday | ||||||||||
| Wind Speed (MPH) | 4 | 7 | 8 | 4 | 3 | 4 | 7 | 10 | 10 | 8 | 7 | 8 |
| 12pm | 4pm | 8pm | 12am | 4am | 8am | 12pm | 4pm | 8pm | 12am | 4am | 8am | |
| MPH | 4 | 7 | 8 | 4 | 3 | 4 | 7 | 10 | 10 | 8 | 7 | 8 |
| DIR | SSE | SSE | SSE | SSE | SE | SE | ESE | ESE | ESE | E | E | ENE |
Current Weather Conditions In Southwest Harbor, ME
As Of: 22 minutes ago
- 61ºF
- 61ºF
- 4mph
- 0º (SSE)
- 4mph
- Sunny
- 10mi
- 29.80"
- 83%
- 0ºF
The weather right now in Southwest Harbor, ME is Sunny. The current temperature is 61°F, and the expected high and low for today, Tuesday, July 28, 2026, are 70° high temperature and 57°F low temperature. The wind is currently blowing at 4 miles per hour, and coming from the South Southeast. The wind is gusting to 4 mph. With the wind and the atmosphere the temperature feels like 61° Fahrenheit. Expected precipitation is 1 percent, with current humidity at 83 percent, and air pressure at 29.8 in. Visibility is 10 nautical miles. There are no current weather alert(s).
