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

24°F

-4°C

Humidity 50%
Wind Speed W 16 mph
Barometer 30.05 in (1017.7 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 18 Mar 12:51 am EDT
Extended Forecast for

Portland ME

  • Overnight

    Overnight: Clear, with a low around 20. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 20 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 33. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 33 °F

    Sunny

  • Wednesday Night

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

    Low: 26 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 38. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 38 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 30. South wind around 5 mph.

    Low: 30 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of rain before 11am, then a chance of rain and snow. Partly sunny, with a high near 43. Chance of precipitation is 50%.

    High: 43 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Chance Rain

Detailed Forecast

Overnight
Clear, with a low around 20. West wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 33. West wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 26. South wind around 5 mph.
Thursday
Mostly 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. South wind around 5 mph.
Friday
Mostly sunny, with a high near 45.
Friday Night
Partly cloudy, with a low around 32.
Saturday
A chance of rain before 11am, then a chance of rain and snow. Partly sunny, with a high near 43. Chance of precipitation is 50%.
Saturday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 32.
Sunday
A 40 percent chance of rain. Partly sunny, with a high near 46.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Monday
Sunny, with a high near 42.
Monday Night
Mostly clear, with a low around 22.
Tuesday
Sunny, with a high near 40.
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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:
8:01 pm EDT Mar 17, 2026
Forecast Valid:
1am EDT Mar 18, 2026-6pm EDT Mar 24, 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