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

89°F

32°C

Humidity 48%
Wind Speed W 10 mph
Barometer 29.86 in (1011.1 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 9 Aug 12:51 pm EDT
Extended Forecast for

Portland ME

  • This Afternoon

    This Afternoon: Sunny, with a high near 83. West wind around 10 mph.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 65. West wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 77. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Cloudy during the early evening, then gradual clearing, with a low around 65. South wind around 5 mph becoming west after midnight.

    Low: 65 °F

    Gradual
    Clearing

  • Tuesday

    Tuesday: Sunny, with a high near 81. West wind 5 to 10 mph.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    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 80. Chance of precipitation is 50%.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 83. West wind around 10 mph.
Tonight
Mostly clear, with a low around 65. West wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 77. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Cloudy during the early evening, then gradual clearing, with a low around 65. South wind around 5 mph becoming west after midnight.
Tuesday
Sunny, with a high near 81. West wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
A chance of showers between 7am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. 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 60. Chance of precipitation is 40%.
Friday
Sunny, with a high near 79.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portland ME
 43.66°N 70.27°W (Elev. 7 ft)
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