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 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 38. 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: 38 °F

    Chance Rain
    and Patchy
    Fog

  • Tonight

    Tonight: Rain likely, with thunderstorms also possible after 11pm. Areas of fog. Otherwise, cloudy, with a low around 35. East wind 5 to 10 mph becoming south after midnight. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 35 °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 9am, then falling to around 36 during the remainder of the day. West wind around 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, then gradually becoming mostly clear, with a low around 27. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 27 °F

    Chance Snow
    then Mostly
    Clear

  • Friday

    Friday: Mostly sunny, with a high near 40. West wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.

    High: 40 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of snow before 9pm, then a chance of rain and snow between 9pm and 11pm, then rain likely after 11pm. Mostly cloudy, with a low around 33. Chance of precipitation is 60%.

    Low: 33 °F

    Rain/Snow
    Likely then
    Rain Likely

  • Saturday

    Saturday: A 30 percent chance of rain before 8am. Mostly sunny, with a high near 43.

    High: 43 °F

    Chance Rain
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 26.

    Low: 26 °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 38. 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 low around 35. East wind 5 to 10 mph becoming south after midnight. 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 9am, then falling to around 36 during the remainder of the day. West wind around 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, then gradually becoming mostly clear, with a low around 27. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 40. West wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Friday Night
A chance of snow before 9pm, then a chance of rain and snow between 9pm and 11pm, then rain likely after 11pm. Mostly cloudy, with a low around 33. Chance of precipitation is 60%.
Saturday
A 30 percent chance of rain before 8am. Mostly sunny, with a high near 43.
Saturday Night
Partly cloudy, with a low around 26.
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 33. Chance of precipitation is 60%.
Monday
Rain. High near 52. Chance of precipitation is 90%.
Monday Night
Rain likely. Mostly cloudy, with a low around 30. 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 ME
 43.66°N 70.27°W (Elev. 7 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