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May 17th, 2026 :: 8:24 pm EDT   

Local Weather Report for
Portland
Maine, United States

 Current Portland Weather Conditions Updated May 17th at 6:51 pm 
Mostly Clear
Temperature:79°F Dew Point:46°F
Barometer:29.95 inHg Wind:N 15 Mph
Humidity:31.9% Visibility:0M
 
 Portland Weather Forecast Summary  
 
Today
May 17th
Monday
May 18th
Tuesday
May 19th
Wednesday
May 20th
Thursday
May 21st
Mostly Sunny Mostly Sunny Mostly Sunny Mostly Sunny Mostly Sunny
61°F
51°F
50°F
66°F
51°F
66°F
56°F
53°F
48°F
 
 Portland Detailed Weather Forecast  
 
Sunday, May 17th, 2026
Evening Temperature: 57°F
Mostly clear. Windy at times.
Monday, May 18th, 2026
Overnight Temperature: 51°F
Mostly clear.
Morning Temperature: 50°F
A mix of cloud and sun.
Afternoon Temperature: 50°F
A mix of cloud and sun.
Evening Temperature: 51°F
Clear. Windy at times.
Tuesday, May 19th, 2026
Overnight Temperature: 52°F
A mix of clear and cloudy skies. Windy at times.
Morning Temperature: 54°F
Mostly sunny. Windy.
Afternoon Temperature: 62°F
Mostly sunny. Slight chance of a thunderstorm. Windy.
Evening Temperature: 62°F
Clear with cloudy periods. Slight chance of a thunderstorm. Windy.
Wednesday, May 20th, 2026
Overnight Temperature: 58°F
Clear with cloudy periods. Windy.
Morning Temperature: 58°F
Sunny. Windy.
Afternoon Temperature: 65°F
Sunny with cloudy periods. Slight chance of a thunderstorm. Windy.
Evening Temperature: 58°F
Clear with cloudy periods. Windy at times.
Thursday, May 21st, 2026
Overnight Temperature: 52°F
Mostly clear. Windy.
Morning Temperature: 50°F
Mostly sunny. Windy.
Afternoon Temperature: 52°F
Mostly sunny. Windy.
Evening Temperature: 51°F
Mostly clear. Windy at times.
Friday, May 22nd, 2026
Overnight Temperature: 49°F
Mostly clear. Windy at times.
Morning Temperature: 49°F
A mix of cloud and sun.
Afternoon Temperature: 50°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 48°F
Cloudy with showers likely. Windy.
Saturday, May 23rd, 2026
Overnight Temperature: 46°F
Cloudy with showers likely. Windy.
Morning Temperature: 47°F
A mix of cloud and sun with a chance of showers. Windy at times.
Afternoon Temperature: 48°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 48°F
Cloudy with a slight chance of showers. Windy at times.
Sunday, May 24th, 2026
Overnight Temperature: 48°F
Cloudy with a chance of showers. Windy at times.
Morning Temperature: 49°F
A mix of cloud and sun with a slight chance of showers. Windy at times.
Afternoon Temperature: 50°F
Sunny with cloudy periods.
Evening Temperature: 51°F
Clear. Windy at times.
Monday, May 25th, 2026
Overnight Temperature: 51°F
Mostly clear. Windy at times.
Morning Temperature: 52°F
Sunny.
Afternoon Temperature: 54°F
Sunny. Windy at times.
Evening Temperature: 53°F
Mostly cloudy. Windy.





 

  [ Local Weather Report ]
South Portland, ME 
6:51 PM  79°F
Mostly Clear
 
Westbrook, ME 
6:51 PM  79°F
Mostly Clear
 
Scarborough, ME 
6:51 PM  79°F
Mostly Clear
 
Falmouth, ME 
6:51 PM  79°F
Mostly Clear
 
Long Island, ME 
 
Cape Elizabeth, ME 
 
Gorham, ME 
 
Old Orchard Beach, ME 
 
Buxton, ME 
 
Yarmouth, ME 

 
This WeatherCity Weather Forecast for Portland, Maine, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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