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.

Mostly Cloudy

13°C

56°F

Humidity 84%
Wind Speed S 9 km/h
Barometer 1019.6 mb (30.11 in)
Dewpoint 11°C (51°F)
Visibility 16 km
Last update 14 May 7:51 pm EDT
Extended Forecast for

Portland International Jetport ME

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, increasing clouds, with a low around 10. South wind 5 to 10 km/h.

    Low: 10 °C

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Scattered showers, mainly before 1pm. Areas of fog between 1pm and 3pm. Otherwise, mostly cloudy, with a high near 18. Southeast wind 5 to 10 km/h. Chance of precipitation is 30%. New precipitation amounts of less than 1 mm possible.

    High: 18 °C

    Scattered
    Showers and
    Areas Fog

  • Thursday Night

    Thursday Night: Areas of fog after 7pm. Otherwise, cloudy, with a low around 11. Calm wind.

    Low: 11 °C

    Areas Fog

  • Friday

    Friday: Mostly cloudy, with a high near 18. Calm wind becoming south 5 to 10 km/h in the afternoon.

    High: 18 °C

    Mostly Cloudy

  • Friday Night

    Friday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 12. Calm wind.

    Low: 12 °C

    Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly after 2pm. Cloudy, with a high near 14. Chance of precipitation is 70%.

    High: 14 °C

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers, mainly before 2am. Low around 11. Chance of precipitation is 80%.

    Low: 11 °C

    Showers

  • Sunday

    Sunday: A 50 percent chance of showers. Partly sunny, with a high near 18.

    High: 18 °C

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 9.

    Low: 9 °C

    Chance
    Showers

Detailed Forecast

Tonight
Patchy fog after midnight. Otherwise, increasing clouds, with a low around 10. South wind 5 to 10 km/h.
Thursday
Scattered showers, mainly before 1pm. Areas of fog between 1pm and 3pm. Otherwise, mostly cloudy, with a high near 18. Southeast wind 5 to 10 km/h. Chance of precipitation is 30%. New precipitation amounts of less than 1 mm possible.
Thursday Night
Areas of fog after 7pm. Otherwise, cloudy, with a low around 11. Calm wind.
Friday
Mostly cloudy, with a high near 18. Calm wind becoming south 5 to 10 km/h in the afternoon.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 12. Calm wind.
Saturday
Showers likely, mainly after 2pm. Cloudy, with a high near 14. Chance of precipitation is 70%.
Saturday Night
Showers, mainly before 2am. Low around 11. Chance of precipitation is 80%.
Sunday
A 50 percent chance of showers. Partly sunny, with a high near 18.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 9.
Monday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 15.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 7.
Tuesday
Partly sunny, with a high near 14.
Tuesday Night
Mostly cloudy, with a low around 7.
Wednesday
Partly sunny, with a high near 14.
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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 m)
Last Update:
6:59 pm EDT May 14, 2025
Forecast Valid:
8pm EDT May 14, 2025-6pm EDT May 21, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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