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

32°C

89°F

Humidity 48%
Wind Speed W 17 km/h
Barometer 1011.1 mb (29.86 in)
Dewpoint 19°C (67°F)
Visibility 16 km
Heat Index33°C (92°F)
Last update 9 Aug 12:51 pm EDT
Extended Forecast for

Portland ME

  • This Afternoon

    This Afternoon: Sunny, with a high near 28. West wind around 15 km/h.

    High: 28 °C

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 18. Northwest wind 5 to 10 km/h.

    Low: 18 °C

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 25. Light and variable wind becoming south 10 to 15 km/h in the morning. Winds could gust as high as 30 km/h.

    High: 25 °C

    Mostly Sunny

  • Monday Night

    Monday Night: Cloudy during the early evening, then gradual clearing, with a low around 18. South wind 5 to 10 km/h becoming west after midnight.

    Low: 18 °C

    Gradual
    Clearing

  • Tuesday

    Tuesday: Sunny, with a high near 27. West wind 5 to 15 km/h.

    High: 27 °C

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 17.

    Low: 17 °C

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 26.

    High: 26 °C

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 17.

    Low: 17 °C

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers between 7am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 27. Chance of precipitation is 50%.

    High: 27 °C

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 28. West wind around 15 km/h.
Tonight
Mostly clear, with a low around 18. Northwest wind 5 to 10 km/h.
Monday
Mostly sunny, with a high near 25. Light and variable wind becoming south 10 to 15 km/h in the morning. Winds could gust as high as 30 km/h.
Monday Night
Cloudy during the early evening, then gradual clearing, with a low around 18. South wind 5 to 10 km/h becoming west after midnight.
Tuesday
Sunny, with a high near 27. West wind 5 to 15 km/h.
Tuesday Night
Mostly clear, with a low around 17.
Wednesday
Mostly sunny, with a high near 26.
Wednesday Night
Partly cloudy, with a low around 17.
Thursday
A chance of showers between 7am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 27. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 10pm. Partly cloudy, with a low around 16. Chance of precipitation is 40%.
Friday
Sunny, with a high near 26.
Friday Night
Mostly clear, with a low around 14.
Saturday
Sunny, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portland ME
 43.66°N 70.27°W (Elev. 7 m)
Last Update:
5:39 am EDT Aug 9, 2026
Forecast Valid:
1pm EDT Aug 9, 2026-6pm EDT Aug 15, 2026
 
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