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

80°F

27°C

Humidity 30%
Wind Speed NW 8 G 17 mph
Barometer 29.97 in (1014.9 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 7 Sep 1:51 pm EDT
Extended Forecast for

Portland ME

  • Labor Day

    Labor Day: Sunny, with a high near 74. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 60. West wind 5 to 10 mph.

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72. Northwest wind 5 to 10 mph.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56. Southwest wind around 5 mph becoming calm.

    Low: 56 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 67. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 67 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Showers, mainly after 10pm. Low around 64. Chance of precipitation is 80%.

    Low: 64 °F

    Showers

  • Thursday

    Thursday: Showers likely before 8am, then a chance of showers after 4pm. Partly sunny, with a high near 77. Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 7pm. Mostly cloudy, with a low around 58.

    Low: 58 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

Detailed Forecast

Labor Day
Sunny, with a high near 74. Northwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 60. West wind 5 to 10 mph.
Tuesday
Sunny, with a high near 72. Northwest wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 56. Southwest wind around 5 mph becoming calm.
Wednesday
Mostly cloudy, with a high near 67. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Showers, mainly after 10pm. Low around 64. Chance of precipitation is 80%.
Thursday
Showers likely before 8am, then a chance of showers after 4pm. Partly sunny, with a high near 77. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of showers before 7pm. Mostly cloudy, with a low around 58.
Friday
Sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 70.
Saturday Night
Partly cloudy, with a low around 58.
Sunday
Mostly sunny, with a high near 74.
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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:
11:02 am EDT Sep 7, 2026
Forecast Valid:
2pm EDT Sep 7, 2026-6pm EDT Sep 13, 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