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

48°F

9°C

Humidity 63%
Wind Speed NE 7 mph
Barometer 30.06 in (1017.8 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 11 Mar 2:51 am EDT
Extended Forecast for

Portland International Jetport ME

  • Overnight

    Overnight: Partly cloudy, with a low around 37. Northeast wind around 5 mph.

    Low: 37 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of rain after 11am. 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

  • Wednesday Night

    Wednesday Night: 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 high near 47. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 47 °F

    Chance Rain
    and Patchy
    Fog

  • Thursday Night

    Thursday Night: A chance of snow between 7pm and 8pm. Partly cloudy, 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.

    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

Detailed Forecast

Overnight
Partly cloudy, with a low around 37. Northeast wind around 5 mph.
Wednesday
A 50 percent chance of rain after 11am. 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.
Wednesday Night
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 high near 47. West wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
A chance of snow between 7pm and 8pm. Partly cloudy, 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.
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
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:
2:28 am EDT Mar 11, 2026
Forecast Valid:
3am EDT Mar 11, 2026-6pm EDT Mar 17, 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