10-Day Weather Forecast - Southwest Harbor, ME

Cloudy. Highs in the mid 20s. North winds 5 to 10 mph with gusts up to 20 mph.

Cloudy. Lows 4 to 10 above. North winds 10 to 15 mph with gusts up to 30 mph.

Partly sunny. Highs around 16. Northwest winds 15 to 20 mph with gusts up to 30 mph.

Partly cloudy in the evening then clearing. Cold with lows around zero.

Sunny. Highs around 20.

Clear cold with lows around 10 above.

Sunny. Highs in the upper 20s.

Mostly clear in the evening then becoming partly cloudy. Lows 10 to 15.

Mostly cloudy. Highs in the lower 30s.

Cloudy with a 40 percent chance of snow. Lows in the lower 20s.

Cloudy with a 40 percent chance of snow. Highs in the lower 30s.

Mostly cloudy with a chance of snow. Chance of precipitation 40%. Low temperature around 27F. Dew point will be around 24F with an average humidity of 85%. Winds will be 9 mph from the N.

Cloudy with a slight chance of rain-snow mix. Chance of precipitation 30%. High temperature around 35F. Dew point will be around 24F with an average humidity of 73%. Winds will be 10 mph from the N.

Cloudy. Low temperature around 26F. Dew point will be around 23F with an average humidity of 79%. Winds will be 7 mph from the N.

Partly cloudy. High temperature around 36F. Dew point will be around 24F with an average humidity of 71%. Winds will be 5 mph from the N.

Partly cloudy. Low temperature around 29F. Dew point will be around 24F with an average humidity of 78%. Winds will be 2 mph from the N.

Mostly sunny. High temperature around 37F. Dew point will be around 26F with an average humidity of 73%. Winds will be 3 mph from the NE.

Cloudy. Low temperature around 30F. Dew point will be around 26F with an average humidity of 79%. Winds will be 3 mph from the N.