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.

Partly Cloudy

48°F

9°C

Humidity 68%
Wind Speed SW 3 mph
Barometer 29.96 in (1014.5 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 10 Mar 9:51 pm EDT
Extended Forecast for

Portland ME

  • Tonight

    Tonight: Partly cloudy, with a low around 35. West wind 5 to 10 mph becoming north after midnight.

    Low: 35 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly after 2pm. Patchy fog before 1pm, then areas of fog after 5pm. Otherwise, mostly cloudy, with a high near 38. East wind 10 to 15 mph, with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 38 °F

    Chance Rain
    and Areas Fog

  • Wednesday Night

    Wednesday Night: Rain, mainly before 3am. Areas of dense fog. Low around 36. South wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Rain and
    Areas Dense
    Fog

  • Thursday

    Thursday: A chance of rain before 8am, then a chance of showers between 8am and 9am. Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 48. West wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    High: 48 °F

    Chance Rain
    and Areas Fog
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 27. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 27 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Rain and snow likely after 8pm, becoming all rain after 2am. Mostly cloudy, with a low around 32. Chance of precipitation is 70%.

    Low: 32 °F

    Rain/Snow
    Likely

  • Saturday

    Saturday: A 40 percent chance of rain before 11am. Partly sunny, with a high near 44.

    High: 44 °F

    Chance Rain
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 35. West wind 5 to 10 mph becoming north after midnight.
Wednesday
A 30 percent chance of rain, mainly after 2pm. Patchy fog before 1pm, then areas of fog after 5pm. Otherwise, mostly cloudy, with a high near 38. East wind 10 to 15 mph, with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain, mainly before 3am. Areas of dense fog. Low around 36. South wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of rain before 8am, then a chance of showers between 8am and 9am. Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 48. West wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 27. West wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 40.
Friday Night
Rain and snow likely after 8pm, becoming all rain after 2am. Mostly cloudy, with a low around 32. Chance of precipitation is 70%.
Saturday
A 40 percent chance of rain before 11am. Partly sunny, with a high near 44.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
A 30 percent chance of snow after 2pm. Mostly cloudy, with a high near 41.
Sunday Night
Rain and snow likely. Cloudy, with a low around 35. Chance of precipitation is 60%.
Monday
Rain. High near 51. Chance of precipitation is 90%.
Monday Night
Rain and snow likely. Mostly cloudy, with a low around 26. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 35.
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:
10:27 pm EDT Mar 10, 2026
Forecast Valid:
10pm EDT Mar 10, 2026-6pm EDT Mar 17, 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