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.

Mostly Cloudy

29°F

-2°C

Humidity 43%
Wind Speed S 9 mph
Barometer 30.41 in (1029.8 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 18 Mar 5:51 pm EDT
Extended Forecast for

Portland ME

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. South wind 5 to 10 mph.

    Low: 27 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of snow showers, mainly between 8am and 2pm. Partly sunny, with a high near 37. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 37 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 30. South wind 5 to 10 mph.

    Low: 30 °F

    Mostly Cloudy

  • Friday

    Friday: Increasing clouds, with a high near 45. West wind around 5 mph becoming south in the afternoon.

    High: 45 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Showers likely, mainly after 4am. Mostly cloudy, with a low around 35. South wind around 5 mph. Chance of precipitation is 60%.

    Low: 35 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely, mainly before 8am. Mostly cloudy, with a high near 46. Chance of precipitation is 60%.

    High: 46 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of rain after 3am. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday

    Sunday: A 40 percent chance of rain. Partly sunny, with a high near 48.

    High: 48 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A 30 percent chance of rain before 10pm. Partly cloudy, with a low around 29.

    Low: 29 °F

    Chance Rain
    then Partly
    Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 27. South wind 5 to 10 mph.
Thursday
A 30 percent chance of snow showers, mainly between 8am and 2pm. Partly sunny, with a high near 37. South wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 30. South wind 5 to 10 mph.
Friday
Increasing clouds, with a high near 45. West wind around 5 mph becoming south in the afternoon.
Friday Night
Showers likely, mainly after 4am. Mostly cloudy, with a low around 35. South wind around 5 mph. Chance of precipitation is 60%.
Saturday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 46. Chance of precipitation is 60%.
Saturday Night
A 30 percent chance of rain after 3am. Mostly cloudy, with a low around 36.
Sunday
A 40 percent chance of rain. Partly sunny, with a high near 48.
Sunday Night
A 30 percent chance of rain before 10pm. Partly cloudy, with a low around 29.
Monday
Sunny, with a high near 38.
Monday Night
Mostly clear, with a low around 24.
Tuesday
Partly sunny, with a high near 38.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
Partly sunny, with a high near 41.
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:
2:27 pm EDT Mar 18, 2026
Forecast Valid:
6pm EDT Mar 18, 2026-6pm EDT Mar 25, 2026
 
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