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

36°F

2°C

Humidity 76%
Wind Speed S 3 mph
Barometer 29.83 in (1010.4 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 13 Jan 5:51 pm EST
Extended Forecast for

Portland International Jetport ME

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before midnight. Cloudy, with a low around 37. South wind around 10 mph.

    Low: 37 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 44. South wind 5 to 10 mph.

    High: 44 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of showers before 8pm, then rain likely, mainly after midnight. Areas of fog after 3am. Otherwise, cloudy, with a low around 32. South wind around 5 mph becoming calm. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 32 °F

    Rain Likely
    and Areas Fog

  • Thursday

    Thursday: A 50 percent chance of rain before noon. Areas of fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 39. South wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph.

    High: 39 °F

    Chance Rain
    and Areas Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 9. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 9 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 28.

    High: 28 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of showers, mainly before midnight. Cloudy, with a low around 37. South wind around 10 mph.
Wednesday
Mostly cloudy, with a high near 44. South wind 5 to 10 mph.
Wednesday Night
A chance of showers before 8pm, then rain likely, mainly after midnight. Areas of fog after 3am. Otherwise, cloudy, with a low around 32. South wind around 5 mph becoming calm. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A 50 percent chance of rain before noon. Areas of fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 39. South wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 9. West wind around 10 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 28.
Friday Night
Mostly cloudy, with a low around 20.
Saturday
Mostly sunny, with a high near 39.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
Partly sunny, with a high near 34.
Sunday Night
Partly cloudy, with a low around 17.
M.L.King Day
Mostly sunny, with a high near 29.
Monday Night
Mostly cloudy, with a low around 13.
Tuesday
Partly sunny, with a high near 23.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portland International Jetport ME
 43.65°N 70.3°W (Elev. 52 ft)
Last Update:
6:14 pm EST Jan 13, 2026
Forecast Valid:
6pm EST Jan 13, 2026-6pm EST Jan 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation