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

45°F

7°C

Humidity 63%
Wind Speed NE 12 mph
Barometer 30.09 in (1018.9 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 11 Mar 4:51 am EDT
Extended Forecast for

Portland International Jetport ME

  • Today

    Today: A 50 percent chance of rain, mainly after 8am. Patchy fog between noon and 1pm. Otherwise, mostly cloudy, with a high near 39. East wind around 10 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 39 °F

    Chance Rain
    and Patchy
    Fog

  • Tonight

    Tonight: Rain likely, with thunderstorms also possible after 11pm. Areas of fog. Otherwise, cloudy, with a temperature rising to around 44 by 5am. East wind 5 to 10 mph becoming south in the evening. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 37 °F⇑

    Rain Likely
    and Areas Fog

  • Thursday

    Thursday: A 30 percent chance of rain. Patchy fog before 9am. Otherwise, mostly cloudy, with a temperature rising to near 47 by 8am, then falling to around 37 during the remainder of the day. West wind 10 to 15 mph, with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F⇓

    Chance Rain
    and Patchy
    Fog

  • Thursday Night

    Thursday Night: A chance of snow between 7pm and 8pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 23. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 23 °F

    Chance Snow
    then Mostly
    Clear

  • Friday

    Friday: Mostly sunny, with a high near 39. West wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.

    High: 39 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Rain and snow likely before 2am, then snow likely between 2am and 4am, then rain and snow likely after 4am. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.

    Low: 30 °F

    Rain/Snow
    Likely

  • Saturday

    Saturday: A 30 percent chance of rain before 8am. Partly sunny, with a high near 42.

    High: 42 °F

    Chance Rain
    then Partly
    Sunny

  • Saturday Night

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

    Low: 22 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 39.

    High: 39 °F

    Mostly Cloudy

Detailed Forecast

Today
A 50 percent chance of rain, mainly after 8am. Patchy fog between noon and 1pm. Otherwise, mostly cloudy, with a high near 39. East wind around 10 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain likely, with thunderstorms also possible after 11pm. Areas of fog. Otherwise, cloudy, with a temperature rising to around 44 by 5am. East wind 5 to 10 mph becoming south in the evening. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A 30 percent chance of rain. Patchy fog before 9am. Otherwise, mostly cloudy, with a temperature rising to near 47 by 8am, then falling to around 37 during the remainder of the day. West wind 10 to 15 mph, with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of snow between 7pm and 8pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 23. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 39. West wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Rain and snow likely before 2am, then snow likely between 2am and 4am, then rain and snow likely after 4am. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.
Saturday
A 30 percent chance of rain before 8am. Partly sunny, with a high near 42.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
Mostly cloudy, with a high near 39.
Sunday Night
A chance of snow between 7pm and 11pm, then 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 28. Chance of precipitation is 60%.
Tuesday
Sunny, with a high near 37.
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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:
4:19 am EDT Mar 11, 2026
Forecast Valid:
5am EDT Mar 11, 2026-6pm EDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation