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.

Light Rain Fog/Mist

38°F

3°C

Humidity 100%
Wind Speed E 6 mph
Barometer 29.98 in (1015.4 mb)
Dewpoint 38°F (3°C)
Visibility 2.50 mi
Wind Chill33°F (1°C)
Last update 31 Mar 9:51 pm EDT
Extended Forecast for

Portland International Jetport ME

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 4am, then a chance of showers and thunderstorms, mainly between 4am and 5am. Areas of fog between midnight and 5am. Low around 38. East wind around 5 mph becoming calm. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Showers and
    Areas Fog

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly before 9am. Areas of fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 53. Northeast wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Chance
    Showers and
    Areas Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain before 2am, then a slight chance of snow between 2am and 3am, then a slight chance of rain after 3am. Mostly cloudy, with a low around 31. Northeast wind around 5 mph. Chance of precipitation is 20%.

    Low: 31 °F

    Slight Chance
    Rain then
    Slight Chance
    Rain/Snow

  • Thursday

    Thursday: A chance of snow and sleet before 2pm, then a chance of sleet between 2pm and 5pm, then a chance of snow and sleet after 5pm. Mostly cloudy, with a high near 38. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 38 °F

    Chance
    Snow/Sleet

  • Thursday Night

    Thursday Night: A chance of rain and sleet before 9pm, then a chance of rain. Cloudy, with a low around 32. East wind around 5 mph. Chance of precipitation is 50%.

    Low: 32 °F

    Chance
    Rain/Sleet
    then Chance
    Rain

  • Friday

    Friday: Mostly cloudy, with a high near 55.

    High: 55 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of rain after 7pm. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

Detailed Forecast

Tonight
Showers and possibly a thunderstorm before 4am, then a chance of showers and thunderstorms, mainly between 4am and 5am. Areas of fog between midnight and 5am. Low around 38. East wind around 5 mph becoming calm. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A 30 percent chance of showers, mainly before 9am. Areas of fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 53. Northeast wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A slight chance of rain before 2am, then a slight chance of snow between 2am and 3am, then a slight chance of rain after 3am. Mostly cloudy, with a low around 31. Northeast wind around 5 mph. Chance of precipitation is 20%.
Thursday
A chance of snow and sleet before 2pm, then a chance of sleet between 2pm and 5pm, then a chance of snow and sleet after 5pm. Mostly cloudy, with a high near 38. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Thursday Night
A chance of rain and sleet before 9pm, then a chance of rain. Cloudy, with a low around 32. East wind around 5 mph. Chance of precipitation is 50%.
Friday
Mostly cloudy, with a high near 55.
Friday Night
Mostly cloudy, with a low around 43.
Saturday
Partly sunny, with a high near 57.
Saturday Night
A 40 percent chance of rain after 7pm. Mostly cloudy, with a low around 38.
Sunday
Rain likely, mainly after 11am. Cloudy, with a high near 57. Chance of precipitation is 60%.
Sunday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 37.
Monday
Partly sunny, with a high near 49.
Monday Night
Mostly clear, with a low around 29.
Tuesday
Partly sunny, with a high near 47.
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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:
7:56 pm EDT Mar 31, 2026
Forecast Valid:
10pm EDT Mar 31, 2026-6pm EDT Apr 7, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation