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

61°F

16°C

Humidity 44%
Wind Speed S 10 mph
Barometer 29.88 in (1011.7 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 10 Mar 3:51 pm EDT
Extended Forecast for

Portland International Jetport ME

  • Tonight

    Tonight: Mostly cloudy, with a low around 37. Calm wind becoming northeast around 5 mph after midnight.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of rain, mainly after 7am. Patchy fog between noon and 1pm. Otherwise, cloudy, with a high near 40. Northeast wind around 10 mph, with gusts as high as 20 mph. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 40 °F

    Chance Rain
    and Patchy
    Fog

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 1am. Areas of dense fog. Otherwise, cloudy, with a low around 36. East wind 5 to 10 mph becoming south after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Rain Likely
    and Areas
    Dense Fog

  • Thursday

    Thursday: A 40 percent chance of rain before 5pm. Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 49. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 49 °F

    Chance Rain
    and Areas Fog

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 23 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Rain and snow likely after 8pm, becoming all rain after 2am. Mostly cloudy, with a low around 29. Chance of precipitation is 70%.

    Low: 29 °F

    Rain/Snow
    Likely

  • Saturday

    Saturday: A 40 percent chance of rain before 11am. Partly sunny, with a high near 43.

    High: 43 °F

    Chance Rain
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 37. Calm wind becoming northeast around 5 mph after midnight.
Wednesday
A 40 percent chance of rain, mainly after 7am. Patchy fog between noon and 1pm. Otherwise, cloudy, with a high near 40. Northeast wind around 10 mph, with gusts as high as 20 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain likely, mainly before 1am. Areas of dense fog. Otherwise, cloudy, with a low around 36. East wind 5 to 10 mph becoming south after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 40 percent chance of rain before 5pm. Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 49. West wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 23. West wind around 10 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 40.
Friday Night
Rain and snow likely after 8pm, becoming all rain after 2am. Mostly cloudy, with a low around 29. Chance of precipitation is 70%.
Saturday
A 40 percent chance of rain before 11am. Partly sunny, with a high near 43.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
A 30 percent chance of snow after 1pm. Mostly cloudy, with a high near 40.
Sunday Night
Rain and snow likely. Cloudy, with a low around 30. Chance of precipitation is 60%.
Monday
Rain. High near 50. Chance of precipitation is 90%.
Monday Night
Rain likely. Mostly cloudy, with a low around 24. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 35.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portland International Jetport ME
 43.65°N 70.3°W (Elev. 52 ft)
Last Update:
2:44 pm EDT Mar 10, 2026
Forecast Valid:
4pm EDT Mar 10, 2026-6pm EDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation