Portland Maine and Casco Bay Weather
Overnight
51°F
Light Rain
0 to 5 mph NE
Columbus Day
67°F
Mostly Sunny
0 to 5 mph NW
Monday Night
48°F
Mostly Cloudy then Slight Chance Rain Showers
5 to 15 mph NE
Tuesday
54°F
Rain
10 to 15 mph E
Tuesday Night
54°F
Light Rain then Showers And Thunderstorms
15 mph S
Wednesday
66°F
Chance Rain Showers then Partly Sunny
10 to 15 mph W
Wednesday Night
50°F
Partly Cloudy
5 to 10 mph NW
Thursday
58°F
Sunny
10 to 15 mph NW
Thursday Night
44°F
Partly Cloudy then Slight Chance Rain Showers
5 to 10 mph N
Friday
56°F
Rain Showers Likely
5 to 15 mph SE
Friday Night
46°F
Rain Showers Likely
15 to 20 mph SW
Saturday
52°F
Chance Rain Showers
20 to 30 mph W
Saturday Night
37°F
Mostly Cloudy
15 to 25 mph NW
Sunday
49°F
Mostly Sunny
15 mph NW