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

20°C

68°F

Humidity 100%
Wind Speed Calm
Barometer 1017.1 mb (30.04 in)
Dewpoint 20°C (68°F)
Visibility 8 km
Last update 15 Jul 5:51 am EDT
Extended Forecast for

Portland International Jetport ME

  • Today

    Today: Patchy fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 29. Calm wind becoming south 5 to 10 km/h in the afternoon.

    High: 29 °C

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 18. South wind 5 to 10 km/h becoming calm in the evening.

    Low: 18 °C

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 29. Light and variable wind becoming south 10 to 15 km/h in the morning. Winds could gust as high as 30 km/h.

    High: 29 °C

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 21. South wind 10 to 15 km/h.

    Low: 21 °C

    Patchy Fog

  • Thursday

    Thursday: A chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 28. South wind 10 to 20 km/h, with gusts as high as 35 km/h. Chance of precipitation is 50%.

    High: 28 °C

    Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Scattered thunderstorms before 8pm. Patchy fog. Otherwise, partly cloudy, with a low around 21. Chance of precipitation is 30%.

    Low: 21 °C

    Scattered
    T-storms and
    Patchy Fog
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 28.

    High: 28 °C

    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 16.

    Low: 16 °C

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 27.

    High: 27 °C

    Mostly Sunny

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 29. Calm wind becoming south 5 to 10 km/h in the afternoon.
Tonight
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 18. South wind 5 to 10 km/h becoming calm in the evening.
Wednesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 29. Light and variable wind becoming south 10 to 15 km/h in the morning. Winds could gust as high as 30 km/h.
Wednesday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 21. South wind 10 to 15 km/h.
Thursday
A chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 28. South wind 10 to 20 km/h, with gusts as high as 35 km/h. Chance of precipitation is 50%.
Thursday Night
Scattered thunderstorms before 8pm. Patchy fog. Otherwise, partly cloudy, with a low around 21. Chance of precipitation is 30%.
Friday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 28.
Friday Night
Partly cloudy, with a low around 16.
Saturday
Mostly sunny, with a high near 27.
Saturday Night
Partly cloudy, with a low around 17.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 26.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 17.
Monday
Mostly sunny, with a high near 25.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portland International Jetport ME
 43.65°N 70.3°W (Elev. 52 m)
Last Update:
4:20 am EDT Jul 15, 2025
Forecast Valid:
6am EDT Jul 15, 2025-6pm EDT Jul 21, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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