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.

Fog/Mist

46°F

8°C

Humidity 100%
Wind Speed N 5 mph
Barometer 29.91 in (1012.7 mb)
Dewpoint 46°F (8°C)
Visibility 4.00 mi
Wind Chill44°F (7°C)
Last update 16 Apr 7:51 am EDT
Extended Forecast for

Portland International Jetport ME

  • Today

    Today: A chance of showers before 11am, then a chance of showers after 5pm. Areas of fog before 3pm. Otherwise, mostly cloudy, with a high near 56. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Chance
    Showers and
    Areas Fog

  • Tonight

    Tonight: Showers and thunderstorms likely before midnight, then a chance of showers. Patchy fog after 11pm. Otherwise, cloudy, with a low around 45. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Showers
    Likely and
    Patchy Fog

  • Friday

    Friday: A 40 percent chance of showers, mainly after 8am. Patchy fog before noon. Otherwise, partly sunny, with a high near 62. Calm wind becoming northeast around 5 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Chance
    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: Partly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 52. East wind 5 to 10 mph.

    High: 52 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 3am. Cloudy, with a low around 43.

    Low: 43 °F

    Cloudy then
    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly after 8am. Cloudy, with a high near 51. Chance of precipitation is 70%.

    High: 51 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely, mainly before 9pm. Mostly cloudy, with a low around 33. Chance of precipitation is 60%.

    Low: 33 °F

    Showers
    Likely then
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers before 11am, then a chance of showers after 5pm. Areas of fog before 3pm. Otherwise, mostly cloudy, with a high near 56. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers and thunderstorms likely before midnight, then a chance of showers. Patchy fog after 11pm. Otherwise, cloudy, with a low around 45. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A 40 percent chance of showers, mainly after 8am. Patchy fog before noon. Otherwise, partly sunny, with a high near 62. Calm wind becoming northeast around 5 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Partly cloudy, with a low around 44. Calm wind.
Saturday
Mostly cloudy, with a high near 52. East wind 5 to 10 mph.
Saturday Night
A 30 percent chance of showers after 3am. Cloudy, with a low around 43.
Sunday
Showers likely, mainly after 8am. Cloudy, with a high near 51. Chance of precipitation is 70%.
Sunday Night
Showers likely, mainly before 9pm. Mostly cloudy, with a low around 33. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 45.
Monday Night
Mostly clear, with a low around 28.
Tuesday
Sunny, with a high near 47.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Partly sunny, with a high near 52.
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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:
6:30 am EDT Apr 16, 2026
Forecast Valid:
8am EDT Apr 16, 2026-6pm EDT Apr 22, 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