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

40°F

4°C

Humidity 49%
Wind Speed S 17 G 24 mph
Barometer 30.40 in (1029.7 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 29 Mar 1:51 pm EDT
Extended Forecast for

Portland International Jetport ME

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 45. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 45 °F

    Partly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 33. Southwest wind 5 to 10 mph.

    Low: 33 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy, with a high near 57. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 57 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40. West wind 5 to 10 mph becoming light southwest after midnight.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Rain likely, mainly after 11am. Mostly cloudy, with a high near 49. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 49 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain likely. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.

    Low: 37 °F

    Rain Likely

  • Wednesday

    Wednesday: A 50 percent chance of rain. Mostly cloudy, with a high near 59.

    High: 59 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain before 11pm, then a chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.

    Low: 30 °F

    Chance
    Rain/Snow

  • Thursday

    Thursday: A 30 percent chance of snow before 9am. Mostly cloudy, with a high near 42.

    High: 42 °F

    Chance Snow
    then Mostly
    Cloudy

Detailed Forecast

This Afternoon
Partly sunny, with a high near 45. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Increasing clouds, with a low around 33. Southwest wind 5 to 10 mph.
Monday
Mostly cloudy, with a high near 57. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 40. West wind 5 to 10 mph becoming light southwest after midnight.
Tuesday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 49. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of rain. Mostly cloudy, with a high near 59.
Wednesday Night
A chance of rain before 11pm, then a chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.
Thursday
A 30 percent chance of snow before 9am. Mostly cloudy, with a high near 42.
Thursday Night
A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 28.
Friday
A chance of rain and snow. Cloudy, with a high near 39. Chance of precipitation is 40%.
Friday Night
A chance of rain and snow. Cloudy, with a low around 29. Chance of precipitation is 50%.
Saturday
A 30 percent chance of rain. Mostly cloudy, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portland International Jetport ME
 43.65°N 70.3°W (Elev. 52 ft)
Last Update:
1:14 pm EDT Mar 29, 2026
Forecast Valid:
2pm EDT Mar 29, 2026-6pm EDT Apr 4, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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