Portland Maine and Casco Bay Weather
Overnight
52°F
Slight Chance Rain Showers
10 mph SW
Friday
64°F
Sunny
5 to 15 mph W
Friday Night
42°F
Clear
15 mph NW
Saturday
51°F
Sunny
5 to 15 mph NW
Saturday Night
36°F
Mostly Clear
5 mph NW
Sunday
57°F
Sunny
5 mph SW
Sunday Night
45°F
Mostly Clear
5 to 10 mph SW
Monday
63°F
Mostly Sunny
5 to 10 mph SW
Monday Night
47°F
Partly Cloudy
0 to 5 mph NW
Tuesday
57°F
Partly Sunny
5 to 10 mph NE
Tuesday Night
46°F
Mostly Cloudy
5 mph E
Wednesday
57°F
Slight Chance Rain Showers
5 to 10 mph SE
Wednesday Night
49°F
Slight Chance Rain Showers
5 mph S
Thursday
60°F
Chance Rain Showers
5 to 15 mph S
Marine weather for Portland, Casco Bay, Portland Harbor, South Portland, Cape Elizabeth, Portland Head Light, Falmouth, Falmouth Foreside, Cousins Island, Yarmouth, the Royal River, Freeport, South Freeport, the Harraseeket River, the New Meadows River, Harpswell, Orr's Island, Bailey Island, Peaks Island, Long Island, Great Diamond Island, Chebeague Island, Cliff Island, the Calendar Islands, Hussey Sound, Broad Sound, and the Fore River, Maine. Wind, tides, and conditions for sailing, boating, fishing, sea kayaking, paddleboarding, and windsurfing.