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

42°F

6°C

Humidity 65%
Wind Speed W 16 G 29 mph
Barometer 29.71 in (1006.0 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 14 Mar 11:51 am EDT
Extended Forecast for

Portland ME

  • This Afternoon

    This Afternoon: A 30 percent chance of showers after 5pm. Partly sunny, with a high near 45. West wind around 15 mph, with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Chance
    Showers

  • Tonight

    Tonight: A 30 percent chance of showers before 7pm. Mostly clear, with a low around 27. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 27 °F

    Chance
    Showers and
    Breezy then
    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 39. Northwest wind 5 to 10 mph becoming east in the afternoon.

    High: 39 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 33. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 33 °F

    Mostly Cloudy
    then Chance
    Rain

  • Monday

    Monday: Rain, mainly after 7am. High near 51. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.

    High: 51 °F

    Rain

  • Monday Night

    Monday Night: Rain. Low around 43. Breezy. Chance of precipitation is 100%.

    Low: 43 °F

    Rain and
    Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 21.

    Low: 21 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 35.

    High: 35 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers after 5pm. Partly sunny, with a high near 45. West wind around 15 mph, with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A 30 percent chance of showers before 7pm. Mostly clear, with a low around 27. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Partly sunny, with a high near 39. Northwest wind 5 to 10 mph becoming east in the afternoon.
Sunday Night
A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 33. South wind around 10 mph, with gusts as high as 20 mph.
Monday
Rain, mainly after 7am. High near 51. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.
Monday Night
Rain. Low around 43. Breezy. Chance of precipitation is 100%.
Tuesday
Partly sunny, with a high near 47.
Tuesday Night
Mostly clear, with a low around 21.
Wednesday
Sunny, with a high near 35.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
Mostly cloudy, with a high near 39.
Thursday Night
Partly cloudy, with a low around 30.
Friday
Mostly sunny, with a high near 42.
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:
6:37 am EDT Mar 14, 2026
Forecast Valid:
12pm EDT Mar 14, 2026-6pm EDT Mar 20, 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