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.

Fog

40°F

4°C

Humidity 100%
Wind Speed Calm
Barometer 30.06 in (1017.8 mb)
Dewpoint 40°F (4°C)
Visibility 0.50 mi
Last update 18 Apr 3:51 am EDT
Extended Forecast for

Portland ME

  • Today

    Today: Patchy dense fog before noon. Otherwise, mostly cloudy, with a high near 49. East wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 49 °F

    Patchy Dense
    Fog then
    Mostly Cloudy

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, cloudy, with a low around 42. East wind around 5 mph becoming calm in the evening.

    Low: 42 °F

    Cloudy then
    Patchy Fog

  • Sunday

    Sunday: Rain, mainly after 8am. Patchy fog before 9am. High near 47. South wind around 5 mph becoming northwest in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 47 °F

    Rain and
    Patchy Fog

  • Sunday Night

    Sunday Night: Rain likely, mainly before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 34. West wind 5 to 10 mph. Chance of precipitation is 60%.

    Low: 34 °F

    Rain Likely
    then Mostly
    Clear

  • Monday

    Monday: Mostly sunny, with a high near 45. West wind 5 to 10 mph.

    High: 45 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

Detailed Forecast

Today
Patchy dense fog before noon. Otherwise, mostly cloudy, with a high near 49. East wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Patchy fog after 1am. Otherwise, cloudy, with a low around 42. East wind around 5 mph becoming calm in the evening.
Sunday
Rain, mainly after 8am. Patchy fog before 9am. High near 47. South wind around 5 mph becoming northwest in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain likely, mainly before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 34. West wind 5 to 10 mph. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 45. West wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 30.
Tuesday
Sunny, with a high near 44.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Partly sunny, with a high near 51.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
Mostly sunny, with a high near 52.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Partly sunny, with a high near 51.
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:
2:26 am EDT Apr 18, 2026
Forecast Valid:
4am EDT Apr 18, 2026-6pm EDT Apr 24, 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