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.

Partly Cloudy

27°C

81°F

Humidity 72%
Wind Speed S 15 km/h
Barometer 1015.6 mb (29.99 in)
Dewpoint 22°C (71°F)
Visibility 16 km
Heat Index29°C (85°F)
Last update 15 Jul 4:51 pm EDT
Extended Forecast for

Portland International Jetport ME

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, mostly clear, with a low around 19. South wind 5 to 10 km/h becoming calm in the evening.

    Low: 19 °C

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Widespread haze after 2pm. 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 afternoon.

    High: 29 °C

    Patchy Fog
    then Haze

  • Wednesday Night

    Wednesday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 20. South wind around 10 km/h.

    Low: 20 °C

    Patchy Fog

  • Thursday

    Thursday: A chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 28. South wind around 10 km/h. Chance of precipitation is 40%.

    High: 28 °C

    Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 9pm. Patchy fog. Otherwise, partly cloudy, with a low around 21. South wind 10 to 15 km/h. Chance of precipitation is 30%.

    Low: 21 °C

    Chance
    T-storms and
    Patchy Fog
    then Patchy
    Fog

  • Friday

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

    High: 28 °C

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 16.

    Low: 16 °C

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 26.

    High: 26 °C

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 17.

    Low: 17 °C

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after 1am. Otherwise, mostly clear, with a low around 19. South wind 5 to 10 km/h becoming calm in the evening.
Wednesday
Widespread haze after 2pm. 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 afternoon.
Wednesday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 20. South wind around 10 km/h.
Thursday
A chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 28. South wind around 10 km/h. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 9pm. Patchy fog. Otherwise, partly cloudy, with a low around 21. South wind 10 to 15 km/h. Chance of precipitation is 30%.
Friday
Patchy fog before 9am. Otherwise, sunny, with a high near 28.
Friday Night
Mostly clear, with a low around 16.
Saturday
Mostly sunny, with a high near 26.
Saturday Night
Mostly cloudy, with a low around 17.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 26.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 17.
Monday
Mostly sunny, with a high near 26.
Monday Night
Partly cloudy, with a low around 16.
Tuesday
Sunny, with a high near 25.
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ABOUT THIS FORECAST

 
Point Forecast:
Portland International Jetport ME
 43.65°N 70.3°W (Elev. 52 m)
Last Update:
1:48 pm EDT Jul 15, 2025
Forecast Valid:
5pm EDT Jul 15, 2025-6pm EDT Jul 22, 2025
 
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Additional Resources

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