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.

Overcast

30°F

-1°C

Humidity 58%
Wind Speed S 3 mph
Barometer 30.36 in (1028.1 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 19 Mar 8:51 am EDT
Extended Forecast for

Portland ME

  • Today

    Today: A 50 percent chance of snow before noon. Partly sunny, with a high near 37. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 37 °F

    Chance Snow
    then Partly
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 30. South wind 5 to 10 mph.

    Low: 30 °F

    Partly Cloudy

  • Friday

    Friday: Increasing clouds, with a high near 44. West wind 5 to 10 mph becoming south in the afternoon.

    High: 44 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Rain likely, mainly after 10pm. Mostly cloudy, with a low around 36. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    Low: 36 °F

    Rain Likely

  • Saturday

    Saturday: A 30 percent chance of rain before 9am. Partly sunny, with a high near 48. West wind around 10 mph, with gusts as high as 20 mph.

    High: 48 °F

    Chance Rain
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 40 percent chance of rain after 8am. Mostly cloudy, with a high near 44.

    High: 44 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A chance of rain before 11pm, then a chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 50%.

    Low: 29 °F

    Chance
    Rain/Snow

  • Monday

    Monday: A 40 percent chance of snow before 4pm. Mostly cloudy, with a high near 38.

    High: 38 °F

    Chance Snow

Detailed Forecast

Today
A 50 percent chance of snow before noon. Partly sunny, with a high near 37. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 30. South wind 5 to 10 mph.
Friday
Increasing clouds, with a high near 44. West wind 5 to 10 mph becoming south in the afternoon.
Friday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 36. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Saturday
A 30 percent chance of rain before 9am. Partly sunny, with a high near 48. West wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 34.
Sunday
A 40 percent chance of rain after 8am. Mostly cloudy, with a high near 44.
Sunday Night
A chance of rain before 11pm, then a chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 50%.
Monday
A 40 percent chance of snow before 4pm. Mostly cloudy, with a high near 38.
Monday Night
Partly cloudy, with a low around 24.
Tuesday
Mostly sunny, with a high near 38.
Tuesday Night
Partly cloudy, with a low around 26.
Wednesday
Mostly sunny, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portland ME
 43.66°N 70.27°W (Elev. 7 ft)
Last Update:
8:56 am EDT Mar 19, 2026
Forecast Valid:
9am EDT Mar 19, 2026-6pm EDT Mar 25, 2026
 
Forecast Discussion
 
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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