Outdoor conditions in

Southwest Harbor

Maine
Now
  1. 52°Sunny0% rain56% humidityGusts 25 mph
  2. 53°Sunny0% rain52% humidityGusts 25 mph
  3. 54°Sunny0% rain48% humidityGusts 24 mph
  4. 56°Sunny0% rain43% humidityGusts 22 mph
  5. 57°Sunny0% rain42% humidityGusts 21 mph
  6. 57°Sunny0% rain42% humidityGusts 21 mph
  7. 57°Sunny0% rain42% humidityGusts 18 mph
  8. 54°Sunny0% rain47% humidityGusts 16 mph
  9. 51°Mostly Clear0% rain54% humidityGusts 14 mph
  10. 49°Mostly Clear0% rain61% humidityGusts 12 mph
  11. 47°Partly Cloudy0% rain65% humidityGusts 12 mph
  12. 46°Mostly Cloudy0% rain68% humidityGusts 9 mph
  13. 46°Mostly Cloudy0% rain68% humidityGusts 9 mph
  14. 45°Partly Cloudy0% rain70% humidityGusts 9 mph
  15. 44°Mostly Cloudy0% rain73% humidityGusts 7 mph
  16. 43°Mostly Cloudy0% rain76% humidityGusts 7 mph
  17. 42°Partly Cloudy0% rain79% humidityGusts 7 mph
  18. 42°Partly Cloudy0% rain79% humidityGusts 7 mph
  19. 42°Partly Cloudy0% rain79% humidityGusts 8 mph
  20. 42°Mostly Cloudy0% rain79% humidityGusts 9 mph
  21. 43°Mostly Cloudy1% rain76% humidityGusts 9 mph
  22. 45°Mostly Cloudy1% rain76% humidityGusts 13 mph
  23. 49°Slight Chance Light Rain21% rain74% humidityGusts 16 mph
  24. 52°Chance Light Rain39% rain71% humidityGusts 20 mph
Extra care for

A little farther out

The next five days

Today

Today looks breezy.

Rain
0%
Humidity
42–70%
Wind
25 mph
Fri

Friday looks wet for a meaningful stretch.

Rain
99%
Humidity
71–100%
Wind
30 mph
Sat

Saturday has a real shower chance.

Rain
66%
Humidity
45–96%
Wind
30 mph
Sun

Sunday looks fairly quiet.

Rain
0%
Humidity
39–70%
Wind
20 mph
Mon

Monday looks fairly quiet.

Rain
15%
Humidity
69–86%
Wind
23 mph
  1. 57° / 45°Today looks breezy.0% rain · Humidity 42–70% · Wind 25 mph
  2. 57° / 42°Friday looks wet for a meaningful stretch.99% rain · Humidity 71–100% · Wind 30 mph
  3. 57° / 39°Saturday has a real shower chance.66% rain · Humidity 45–96% · Wind 30 mph
  4. 52° / 36°Sunday looks fairly quiet.0% rain · Humidity 39–70% · Wind 20 mph
  5. 55° / 44°Monday looks fairly quiet.15% rain · Humidity 69–86% · Wind 23 mph

Environmental watch

Air quality + smoke

Air quality

High Elevations of Acadia National Park area · Updated Thu 9:26 AM
16GoodUS AQI

No fresh outlook yet.

Sky check

No plume detected overhead

Satellite view · Updated Thu 8:45 AM

Air near ground16 · Good US AQI

Rain, in motion · Past four hours

Southwest Harbor radar

Ready when you areSee what is moving toward Southwest Harbor.

Watch the last four hours of rain, then search any nearby trail, lake, or address.

View the official forecast ↗

Outdoor fire check

Thinking about a backyard fire?

Weather is less concerning around 6 PM–9 PM.

Humidity stays higher and winds stay lighter for at least three hours.

Next 12 hoursChoose a time to see what is driving the concern.
Selected timeNowUse caution

Sustained wind is 14 mph. Gusts may reach 25 mph.

Humidity
56%
Wind
14 mph
Gusts
25 mph

Check local rules. Weather is only part of the decision. Check city, county, and land-manager fire restrictions before lighting any outdoor fire.

About these readingsSources and local limits

Weather

Forecasts, alerts, and radar come from NOAA and the National Weather Service.

Air quality

This reading describes High Elevations of Acadia National Park area, about 6 miles away. Conditions can differ at this exact spot.

Smoke

Satellite imagery shows smoke overhead. It cannot tell us how much smoke has reached breathing level.

This page represents Southwest Harbor, ME, so conditions can vary from street to street. Environmental data: AirNow · participating air agencies · preliminary real-time US AQI · NOAA Hazard Mapping System · satellite-observed smoke.