Weather Alerts

A weather alert has been issued for your area. Read Here.

Portland, ME Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Sun
May 18 		Cloudy
Close Hourly 		68º / 52º 15% W 12 mph 62%
12pm Cloudy 67º 2% W 11 mph 59%
1pm Cloudy 67º 4% WSW 11 mph 60%
2pm Cloudy 67º 8% WSW 10 mph 62%
3pm Cloudy 66º 11% WSW 11 mph 61%
4pm Mostly Cloudy 65º 18% W 11 mph 64%
5pm Mostly Cloudy 64º 9% W 9 mph 66%
6pm Mostly Cloudy 64º 9% W 7 mph 67%
7pm Mostly Cloudy 63º 11% WNW 6 mph 69%
8pm Mostly Cloudy 60º 9% WNW 5 mph 74%
9pm Partly Cloudy 58º 6% WNW 7 mph 79%
10pm Mostly Cloudy 57º 10% WNW 7 mph 81%
11pm Cloudy 56º 12% WNW 6 mph 84%
Mon
May 19 		PM Showers
View Hourly 		55º / 46º 52% NW 19 mph 67%
12am Cloudy 56º 14% WNW 7 mph 83%
1am Cloudy 56º 6% WNW 10 mph 81%
2am Mostly Cloudy 55º 5% NW 9 mph 80%
3am Mostly Cloudy 54º 8% NW 11 mph 79%
4am Cloudy 54º 14% NW 11 mph 76%
5am Cloudy 53º 12% NW 11 mph 74%
6am Mostly Cloudy 53º 9% NW 12 mph 73%
7am Cloudy 54º 6% NW 12 mph 70%
8am Mostly Cloudy 54º 23% NW 13 mph 69%
9am Cloudy 53º 24% NW 15 mph 69%
10am Cloudy 54º 16% NW 16 mph 65%
11am Cloudy 54º 10% NW 18 mph 65%
12pm Cloudy 54º 9% NW 18 mph 65%
1pm Cloudy 54º 5% NW 18 mph 65%
2pm Cloudy 55º 16% NW 18 mph 63%
3pm Cloudy 54º 15% NW 18 mph 65%
4pm Showers 53º 35% NW 17 mph 66%
5pm Showers 52º 52% NW 16 mph 69%
6pm Few Showers 51º 34% NW 16 mph 71%
7pm Cloudy 51º 23% NW 16 mph 69%
8pm Cloudy 50º 4% NW 15 mph 68%
9pm Cloudy 49º 4% NW 14 mph 69%
10pm Cloudy 49º 4% NW 14 mph 68%
11pm Cloudy 49º 4% NNW 13 mph 70%
Tue
May 20 		Cloudy
View Hourly 		55º / 45º 11% N 15 mph 68%
12am Cloudy 48º 8% NNW 12 mph 71%
1am Cloudy 48º 9% NW 11 mph 73%
2am Cloudy 48º 4% NNW 11 mph 75%
3am Cloudy 47º 4% NNW 11 mph 77%
4am Cloudy 47º 4% NNW 11 mph 76%
5am Mostly Cloudy 47º 4% NNW 10 mph 77%
6am Mostly Cloudy 47º 4% NNW 10 mph 77%
7am Mostly Cloudy 49º 4% NNW 11 mph 74%
8am Mostly Cloudy 50º 3% NNW 12 mph 71%
9am Mostly Cloudy 52º 2% N 14 mph 67%
10am Cloudy 53º 5% N 15 mph 66%
11am Cloudy 54º 2% N 15 mph 66%
Wed
May 21 		Cloudy 51º / 44º 13% ENE 14 mph 71%
Thu
May 22 		Rain 49º / 44º 64% ENE 19 mph 79%
Fri
May 23 		Showers 51º / 45º 50% NNE 14 mph 84%
Sat
May 24 		AM Showers 52º / 46º 37% NNE 7 mph 81%
Sun
May 25 		Partly Cloudy 59º / 47º 24% SW 8 mph 69%

Weather Radar for Portland, ME See Radar

See Radar Map

* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Portland, ME

Today
High : 66ºF
W wind around 10 kt. A slight chance of showers after noon. Seas 1 ft or less.
Tonight
Low : 51ºF
WNW wind 5 to 8 kt increasing to 7 to 10 kt after midnight. Winds could gust as high as 20 kt. A chance of showers, mainly before 9pm. Seas 1 ft or less.
Monday
High : 55ºF
NW wind around 15 kt, with gusts as high as 30 kt. A chance of showers, mainly between 1pm and 3pm. Seas 1 ft or less.
Monday Night
Low : 48ºF
NW wind 10 to 15 kt, with gusts as high as 25 kt. A chance of showers between 8pm and 2am. Seas 1 ft or less.
Tuesday
High : 53ºF
NNE wind 5 to 10 kt. Mostly cloudy. Seas 1 ft or less.
Tuesday Night
Low : 46ºF
Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.
Wednesday
High : 50ºF
E wind around 10 kt. A chance of showers after 2pm. Seas 1 ft or less.
Wednesday Night
Low : 45ºF
E wind 5 to 10 kt. Showers likely. Seas 1 ft or less.
Thursday
High : 49ºF
ENE wind around 15 kt, with gusts as high as 25 kt. Showers likely. Seas 1 ft or less.

NOAA Buoy Data Near Portland, ME See Map

Loading Map...
Loading Buoy Data...

    Local Goods & Services See All Nearby

    Freedom Boat Club of Maine

    Freedom Boat Club of Maine

    Charters and Rentals
    Casco Bay Boat Charters, Portland, ME

    Casco Bay Boat Transport

    Moving & Transport

    Maine Imaging

    Artists and Photographers
    Hamilton Marine - Portland

    Hamilton Marine - Portland

    Boating Supplies, Equipment & Gear
    Maine Yacht Center

    Maine Yacht Center

    Boatyards and Storage
    Yarmouth Boat Yard

    Yarmouth Boat Yard

    Boat Dealers & Brokers

    USCG Station South Portland, ME

    Coast Guard Stations

    Wind Speed Forecast for Portland, ME

    SundayMondayTuesday
    Wind Speed (MPH) 1111571113181715121112
    12pm4pm8pm12am4am8am12pm4pm8pm12am4am8am
    MPH 1111571113181715121112
    DIR WWWNWWNWNWNWNWNWNWNNWNNWNNW

    Current Weather Conditions In Portland, ME

    As Of: 41 minutes ago

    • 67ºF
    • 67ºF
    • 11mph
    • 0º (W)
    • 21mph
    • Cloudy
    • 10mi
    • 29.39"
    • 59%
    • 0ºF

    The weather right now in Portland, ME is Cloudy. The current temperature is 67°F, and the expected high and low for today, Sunday, May 18, 2025, are 68° high temperature and 52°F low temperature. The wind is currently blowing at 11 miles per hour, and coming from the West. The wind is gusting to 21 mph. With the wind and the atmosphere the temperature feels like 67° Fahrenheit. Expected precipitation is 2 percent, with current humidity at 59 percent, and air pressure at 29.39 in. Visibility is 10 nautical miles. There are 1 current weather alert(s).