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

21°F

-6°C

Humidity 54%
Wind Speed NW 10 mph
Barometer 30.12 in (1020.0 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 18 Mar 2:51 am EDT
Extended Forecast for

Portland ME

  • Overnight

    Overnight: Clear, with a low around 21. West wind around 15 mph, with gusts as high as 25 mph.

    Low: 21 °F

    Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 33. Northwest wind 5 to 10 mph.

    High: 33 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 26. South wind around 5 mph.

    Low: 26 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 37. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 37 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 30. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 30 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of rain after 2am. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: Rain likely, mainly between 10am and 1pm. Mostly cloudy, with a high near 43. Chance of precipitation is 60%.

    High: 43 °F

    Rain Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance Rain

Detailed Forecast

Overnight
Clear, with a low around 21. West wind around 15 mph, with gusts as high as 25 mph.
Wednesday
Increasing clouds, with a high near 33. Northwest wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 26. South wind around 5 mph.
Thursday
Partly sunny, with a high near 37. South wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 30. South wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 46.
Friday Night
A 30 percent chance of rain after 2am. Mostly cloudy, with a low around 34.
Saturday
Rain likely, mainly between 10am and 1pm. Mostly cloudy, with a high near 43. Chance of precipitation is 60%.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 35.
Sunday
A 40 percent chance of rain before 2pm. Mostly cloudy, with a high near 47.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Sunny, with a high near 41.
Monday Night
Mostly clear, with a low around 25.
Tuesday
Mostly sunny, 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 ME
 43.66°N 70.27°W (Elev. 7 ft)
Last Update:
1:59 am EDT Mar 18, 2026
Forecast Valid:
3am EDT Mar 18, 2026-6pm EDT Mar 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