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.

A Few Clouds

42°F

6°C

Humidity 43%
Wind Speed W 15 G 29 mph
Barometer 29.55 in (1000.8 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 17 Mar 11:51 am EDT
Extended Forecast for

Portland ME

  • This Afternoon

    This Afternoon: Sunny, with a high near 39. Breezy, with a west wind around 25 mph, with gusts as high as 35 mph.

    High: 39 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 20. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 20 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 34. West wind 5 to 10 mph.

    High: 34 °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 38. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 38 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of rain after 3am, mixing with snow after 5am. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.

    Low: 32 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of rain and snow before 11am, then a chance of rain. Partly sunny, with a high near 43. Chance of precipitation is 40%.

    High: 43 °F

    Chance
    Rain/Snow
    then Chance
    Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 39. Breezy, with a west wind around 25 mph, with gusts as high as 35 mph.
Tonight
Mostly clear, with a low around 20. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday
Increasing clouds, with a high near 34. West 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 38. South wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 30.
Friday
Partly sunny, with a high near 45.
Friday Night
A chance of rain after 3am, mixing with snow after 5am. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Saturday
A chance of rain and snow before 11am, then a chance of rain. Partly sunny, with a high near 43. Chance of precipitation is 40%.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 28.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 44. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around 26.
Monday
Partly sunny, with a high near 36.
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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:
6:51 am EDT Mar 17, 2026
Forecast Valid:
12pm EDT Mar 17, 2026-6pm EDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation