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

54°F

12°C

Humidity 100%
Wind Speed SE 3 mph
Barometer 29.95 in (1014.3 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 15 Apr 10:51 am EDT
Extended Forecast for

Portland ME

  • Today

    Today: Scattered showers, mainly after 5pm. Areas of fog between noon and 1pm. Otherwise, mostly cloudy, with a high near 55. Southeast wind around 5 mph. Chance of precipitation is 30%.

    High: 55 °F

    Scattered
    Showers and
    Areas Fog

  • Tonight

    Tonight: Scattered showers, mainly between 8pm and 3am. Areas of fog after 7pm. Otherwise, cloudy, with a low around 44. Southeast wind around 5 mph becoming calm. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Scattered
    Showers and
    Areas Fog

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 5pm. Areas of fog before 3pm. Otherwise, cloudy, with a high near 51. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 51 °F

    Showers
    Likely and
    Areas Fog

  • Thursday Night

    Thursday Night: Showers likely, mainly before 5am. Cloudy, with a low around 45. East wind around 5 mph becoming calm. Chance of precipitation is 70%.

    Low: 45 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely, mainly between 8am and 2pm. Mostly cloudy, with a high near 55. Northeast wind around 5 mph. Chance of precipitation is 60%.

    High: 55 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of showers before 10pm. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 50.

    High: 50 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 5pm. Cloudy, with a high near 52. Chance of precipitation is 60%.

    High: 52 °F

    Showers
    Likely

Detailed Forecast

Today
Scattered showers, mainly after 5pm. Areas of fog between noon and 1pm. Otherwise, mostly cloudy, with a high near 55. Southeast wind around 5 mph. Chance of precipitation is 30%.
Tonight
Scattered showers, mainly between 8pm and 3am. Areas of fog after 7pm. Otherwise, cloudy, with a low around 44. Southeast wind around 5 mph becoming calm. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers likely, with thunderstorms also possible after 5pm. Areas of fog before 3pm. Otherwise, cloudy, with a high near 51. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely, mainly before 5am. Cloudy, with a low around 45. East wind around 5 mph becoming calm. Chance of precipitation is 70%.
Friday
Showers likely, mainly between 8am and 2pm. Mostly cloudy, with a high near 55. Northeast wind around 5 mph. Chance of precipitation is 60%.
Friday Night
A 30 percent chance of showers before 10pm. Mostly cloudy, with a low around 45.
Saturday
Mostly cloudy, with a high near 50.
Saturday Night
Mostly cloudy, with a low around 43.
Sunday
Showers likely, mainly after 5pm. Cloudy, with a high near 52. Chance of precipitation is 60%.
Sunday Night
Showers likely, mainly before 11pm. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 46.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
Sunny, with a high near 48.
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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:
6:50 am EDT Apr 15, 2026
Forecast Valid:
11am EDT Apr 15, 2026-6pm EDT Apr 21, 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