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 93%
Wind Speed E 5 mph
Barometer 29.99 in (1015.7 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 31 Mar 6:51 pm EDT
Extended Forecast for

Portland ME

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 4am. Areas of fog between 10pm and 5am. Low around 38. East wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters 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 51. Light and variable wind becoming northeast 5 to 10 mph in the morning. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °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 33. Northeast wind around 5 mph. Chance of precipitation is 20%.

    Low: 33 °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 4pm, then a chance of snow and sleet after 4pm. 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, snow, and sleet before 8pm, then a chance of rain and sleet between 8pm and 9pm, then a chance of rain after 9pm. Cloudy, with a low around 34. East wind around 5 mph. Chance of precipitation is 50%.

    Low: 34 °F

    Chance Wintry
    Mix 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 45.

    Low: 45 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of rain after 7pm. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

Detailed Forecast

Tonight
Showers and thunderstorms, mainly before 4am. Areas of fog between 10pm and 5am. Low around 38. East wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters 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 51. Light and variable wind becoming northeast 5 to 10 mph in the morning. 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 33. 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 4pm, then a chance of snow and sleet after 4pm. 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, snow, and sleet before 8pm, then a chance of rain and sleet between 8pm and 9pm, then a chance of rain after 9pm. Cloudy, with a low around 34. 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 45.
Saturday
Partly sunny, with a high near 55.
Saturday Night
A 40 percent chance of rain after 7pm. Mostly cloudy, with a low around 39.
Sunday
Rain likely, mainly after 11am. Cloudy, with a high near 55. Chance of precipitation is 60%.
Sunday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 39.
Monday
Partly sunny, with a high near 47.
Monday Night
Mostly clear, with a low around 32.
Tuesday
Mostly sunny, with a high near 45.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portland ME
 43.66°N 70.27°W (Elev. 7 ft)
Last Update:
7:11 pm EDT Mar 31, 2026
Forecast Valid:
7pm EDT Mar 31, 2026-6pm EDT Apr 7, 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