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.

Fair

25°F

-4°C

Humidity 60%
Wind Speed NW 8 mph
Barometer 29.87 in (1011.6 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 13 Mar 2:51 am EDT
Extended Forecast for

Portland International Jetport ME

  • Overnight

    Overnight: Isolated snow showers. Mostly clear, with a low around 25. Northwest wind around 10 mph. Chance of precipitation is 20%.

    Low: 25 °F

    Isolated Snow
    Showers

  • Friday

    Friday: Increasing clouds, with a high near 39. West wind 5 to 10 mph.

    High: 39 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Snow before 2am, then rain and snow. Low around 29. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 29 °F

    Chance Snow
    then
    Rain/Snow

  • Saturday

    Saturday: A 30 percent chance of rain between 11am and noon. Partly sunny, with a high near 44. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 44 °F

    Chance Rain
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 22. West wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 22 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of rain after 5am. Cloudy, with a low around 31.

    Low: 31 °F

    Cloudy then
    Chance Rain

  • Monday

    Monday: Rain, mainly after 8am. High near 50. Chance of precipitation is 100%.

    High: 50 °F

    Rain

  • Monday Night

    Monday Night: Rain. Low around 38. Breezy. Chance of precipitation is 100%.

    Low: 38 °F

    Rain and
    Breezy

Detailed Forecast

Overnight
Isolated snow showers. Mostly clear, with a low around 25. Northwest wind around 10 mph. Chance of precipitation is 20%.
Friday
Increasing clouds, with a high near 39. West wind 5 to 10 mph.
Friday Night
Snow before 2am, then rain and snow. Low around 29. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Saturday
A 30 percent chance of rain between 11am and noon. Partly sunny, with a high near 44. West wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 22. West wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 40.
Sunday Night
A 30 percent chance of rain after 5am. Cloudy, with a low around 31.
Monday
Rain, mainly after 8am. High near 50. Chance of precipitation is 100%.
Monday Night
Rain. Low around 38. Breezy. Chance of precipitation is 100%.
Tuesday
Rain likely, mainly before 9am. Partly sunny, with a high near 49. Chance of precipitation is 60%.
Tuesday Night
Mostly clear, with a low around 18.
Wednesday
Sunny, with a high near 34.
Wednesday Night
Partly cloudy, with a low around 21.
Thursday
Mostly cloudy, with a high near 40.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portland International Jetport ME
 43.65°N 70.3°W (Elev. 52 ft)
Last Update:
2:36 am EDT Mar 13, 2026
Forecast Valid:
3am EDT Mar 13, 2026-6pm EDT Mar 19, 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