National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Portland, Portland International Jetport (KPWM)

Lat: 43.64°NLon: 70.3°WElev: 72ft.

Overcast

49°F

9°C

Humidity 90%
Wind Speed NW 10 mph
Barometer 29.71 in (1006.1 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 19 May 7:51 pm EDT
Extended Forecast for

Portland ME

  • Tonight

    Tonight: Mostly cloudy, with a low around 47. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 47 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 53. North wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 53 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 45. North wind 5 to 10 mph.

    Low: 45 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 52. East wind around 10 mph, with gusts as high as 20 mph.

    High: 52 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers after 2am. Cloudy, with a low around 45. East wind around 5 mph.

    Low: 45 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Rain likely, mainly after 2pm. Mostly cloudy, with a high near 48. Chance of precipitation is 60%.

    High: 48 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain likely. Cloudy, with a low around 44. Chance of precipitation is 70%.

    Low: 44 °F

    Rain Likely

  • Friday

    Friday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 49. Chance of precipitation is 60%.

    High: 49 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 47. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 53. North wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 45. North wind 5 to 10 mph.
Wednesday
Partly sunny, with a high near 52. East wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
A 40 percent chance of showers after 2am. Cloudy, with a low around 45. East wind around 5 mph.
Thursday
Rain likely, mainly after 2pm. Mostly cloudy, with a high near 48. Chance of precipitation is 60%.
Thursday Night
Rain likely. Cloudy, with a low around 44. Chance of precipitation is 70%.
Friday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 49. Chance of precipitation is 60%.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 45.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 52.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 46.
Sunday
Partly sunny, with a high near 59.
Sunday Night
Partly cloudy, with a low around 48.
Memorial Day
Mostly sunny, with a high near 61.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portland ME
 43.66°N 70.27°W (Elev. 7 ft)
Last Update:
7:14 pm EDT May 19, 2025
Forecast Valid:
8pm EDT May 19, 2025-6pm EDT May 26, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation