Southwest Harbor, ME Hourly Weather Forecast
Next 48 Hours
Thu, May 14th 2026
Skies will shift from Sunny skies to scattered showers as the day goes on. Rain forecasted to be scattered showers (up to 0.00in), light drizzle (up to 0.02in), patchy light rain (up to 0.04in). Temps range from 51° to 53°. Windy conditions from the E at 14.6 mph, as humidity ranges 86% to 92%, and an avg barometric pressure of 29.86 inHg.
| Thu, May 14th | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
4 PM Sunny UV: 0.4 |
53°F Feels 48°F |
86% | 13.9 E | 29.88 | 48.8°F | 0% |
5 PM SunnyUV: 0.1 |
52°F Feels 48°F |
86% | 14.1 E | 29.86 | 49.1°F | 0% |
6 PM SunnyUV: 0 |
51°F Feels 47°F |
88% | 14.5 E | 29.86 | 48.1°F | 0% |
7 PM Scattered Showers UV: 0 |
51°F Feels 47°F |
92% | 14.5 E | 29.86 | 48.7°F | 70% |
8 PM Scattered Showers UV: 0 |
51°F Feels 47°F |
90% | 14.5 ENE | 29.85 | 47.8°F | 100% |
9 PM Overcast UV: 0 |
51°F Feels 48°F |
87% | 14.8 ENE | 29.85 | 47.4°F | 0% |
10 PM Light Drizzle UV: 0 |
52°F Feels 48°F |
92% | 15.4 ENE | 29.85 | 49.1°F | 100% Rain est. 0.02in |
11 PM Patchy Light Rain UV: 0 |
52°F Feels 48°F |
92% | 15.2 ENE | 29.85 | 49.8°F | 100% Rain est. 0.04in |
Fri, May 15th 2026
Scattered showers skies will dominate from morning to night. Rain forecasted to be patchy light rain (up to 0.03in), scattered showers (up to 0.01in), light drizzle (up to 0.02in), mist (up to 0.00in). Temps range from 47° to 50°. Breezy wind, shifting from ENE to E at 9.5 mph, while humidity ranges from 83% to 96%, and an avg barometric pressure of 29.88 inHg.
| Fri, May 15th | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM Patchy Light RainUV: 0 |
50°F Feels 45°F |
92% | 16.1 ENE | 29.83 | 49.5°F | 100% Rain est. 0.03in |
1 AM OvercastUV: 0 |
48°F Feels 43°F |
95% | 14.5 ENE | 29.82 | 46.1°F | 0% |
2 AM Scattered ShowersUV: 0 |
48°F Feels 42°F |
94% | 15.2 ENE | 29.82 | 45.8°F | 62% |
3 AM Scattered ShowersUV: 0 |
47°F Feels 41°F |
94% | 15.9 ENE | 29.83 | 45.6°F | 100% |
4 AM Scattered ShowersUV: 0 |
47°F Feels 40°F |
96% | 16.6 ENE | 29.82 | 45.6°F | 53% |
5 AM Scattered ShowersUV: 0 |
47°F Feels 40°F |
96% | 16.8 ENE | 29.83 | 45.6°F | 53% |
6 AM Scattered ShowersUV: 0.1 |
47°F Feels 41°F |
95% | 16.1 ENE | 29.85 | 45.6°F | 51% |
7 AM Scattered ShowersUV: 0.3 |
47°F Feels 41°F |
94% | 15.4 ENE | 29.87 | 45.7°F | 100% |
8 AM Scattered ShowersUV: 0.8 |
47°F Feels 42°F |
94% | 13.6 ENE | 29.89 | 45.6°F | 100% Rain est. 0.01in |
9 AM Light Drizzle UV: 2 |
48°F Feels 43°F |
94% | 10.5 ENE | 29.9 | 45.6°F | 100% Rain est. 0.01in |
10 AM Scattered ShowersUV: 2 |
48°F Feels 44°F |
93% | 8.9 ENE | 29.91 | 45.8°F | 74% |
11 AM Scattered ShowersUV: 2 |
48°F Feels 44°F |
92% | 7.4 ENE | 29.9 | 46.1°F | 73% |
12 PM Scattered ShowersUV: 2 |
49°F Feels 45°F |
90% | 8.9 E | 29.9 | 45.6°F | 89% |
1 PM Partly Cloudy UV: 3 |
49°F Feels 46°F |
86% | 8.5 E | 29.89 | 44.7°F | 0% |
2 PM Cloudy UV: 2 |
49°F Feels 48°F |
84% | 4.7 E | 29.89 | 44.7°F | 0% |
3 PM CloudyUV: 2 |
50°F Feels 49°F |
83% | 3.6 E | 29.89 | 44.9°F | 0% |
4 PM Scattered ShowersUV: 3 |
50°F Feels 49°F |
83% | 1.6 NE | 29.88 | 45.2°F | 78% |
5 PM Light DrizzleUV: 2 |
49°F Feels 48°F |
87% | 0.7 W | 29.9 | 45.6°F | 100% Rain est. 0.02in |
6 PM Light DrizzleUV: 2 |
49°F Feels 47°F |
92% | 4.9 WSW | 29.91 | 46.3°F | 100% Rain est. 0.02in |
7 PM Mist UV: 2 |
49°F Feels 46°F |
95% | 7.6 WSW | 29.91 | 47.1°F | 89% |
8 PM Mist UV: 0 |
49°F Feels 47°F |
95% | 7.6 W | 29.9 | 47.8°F | 0% |
9 PM MistUV: 0 |
49°F Feels 47°F |
96% | 3.4 NW | 29.92 | 48°F | 0% |
10 PM MistUV: 0 |
48°F Feels 46°F |
96% | 4 ENE | 29.93 | 47°F | 0% |
11 PM Partly Cloudy UV: 0 |
48°F Feels 45°F |
94% | 5.8 E | 29.95 | 45.6°F | 0% |
Sat, May 16th 2026
Skies will shift from Sunny skies to partly cloudy as the day goes on. Temps range from 46° to 51°. Breezy wind, shifting from SE to SW at 9.8 mph, while humidity ranges from 82% to 96%, and an avg barometric pressure of 29.97 inHg.
| Sat, May 16th | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM Partly CloudyUV: 0 |
47°F Feels 45°F |
91% | 6.3 SE | 29.95 | 44.6°F | 0% |
1 AM Partly CloudyUV: 0 |
47°F Feels 44°F |
90% | 5.4 SE | 29.96 | 44°F | 0% |
2 AM Partly CloudyUV: 0 |
47°F Feels 44°F |
90% | 5.1 S | 29.96 | 43.8°F | 0% |
3 AM Clear UV: 0 |
47°F Feels 44°F |
92% | 5.1 SSW | 29.96 | 44.2°F | 0% |
4 AM MistUV: 0 |
46°F Feels 43°F |
95% | 6 WSW | 29.96 | 45.2°F | 0% |
5 AM MistUV: 0 |
47°F Feels 43°F |
96% | 7.4 W | 29.97 | 45.2°F | 0% |
6 AM MistUV: 2 |
47°F Feels 44°F |
94% | 6.7 W | 29.98 | 45.1°F | 0% |
7 AM SunnyUV: 3 |
48°F Feels 45°F |
91% | 6.9 W | 29.99 | 45.2°F | 0% |
8 AM SunnyUV: 3 |
49°F Feels 45°F |
87% | 8.7 WSW | 30 | 45.2°F | 0% |
9 AM SunnyUV: 4 |
50°F Feels 46°F |
83% | 10.3 WSW | 30 | 45.3°F | 0% |
10 AM SunnyUV: 4 |
51°F Feels 46°F |
82% | 12.5 WSW | 29.99 | 45.7°F | 0% |
11 AM SunnyUV: 4 |
51°F Feels 46°F |
83% | 13.6 SW | 29.98 | 46.3°F | 0% |
12 PM SunnyUV: 4 |
51°F Feels 46°F |
84% | 15 SW | 29.96 | 46.3°F | 0% |
1 PM SunnyUV: 4 |
51°F Feels 46°F |
85% | 15.7 SW | 29.95 | 46.3°F | 0% |
2 PM SunnyUV: 4 |
51°F Feels 46°F |
85% | 15.4 SW | 29.95 | 46.4°F | 0% |
3 PM SunnyUV: 4 |
51°F Feels 46°F |
85% | 16.3 SW | 29.93 | 46.4°F | 0% |
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61°F |
29.91 inHg.
Barometer 64%
Humidity E 13.6mph Wind |
| Overcast | ||
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