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

59°F

15°C

Humidity 39%
Wind Speed NW 9 mph
Barometer 29.75 in (1007.2 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 1 May 3:51 pm EDT
Extended Forecast for

Portland ME

  • Tonight

    Tonight: Increasing clouds, with a low around 41. Northwest wind 5 to 10 mph becoming light and variable in the evening.

    Low: 41 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Showers likely, mainly between 2pm and 3pm. Mostly cloudy, with a high near 50. South wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely, mainly after 3am. Mostly cloudy, with a low around 42. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely, mainly before noon. Mostly cloudy, with a high near 53. North wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 53 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41. West wind around 5 mph.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 41. Northwest wind 5 to 10 mph becoming light and variable in the evening.
Saturday
Showers likely, mainly between 2pm and 3pm. Mostly cloudy, with a high near 50. South wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Showers likely, mainly after 3am. Mostly cloudy, with a low around 42. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers likely, mainly before noon. Mostly cloudy, with a high near 53. North wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Sunday Night
Mostly clear, with a low around 41. West wind around 5 mph.
Monday
Mostly sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Mostly cloudy, with a low around 53.
Wednesday
A 50 percent chance of showers. Mostly cloudy, with a high near 59.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 48. Chance of precipitation is 70%.
Thursday
Showers likely. Mostly cloudy, with a high near 56. Chance of precipitation is 70%.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 44.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portland ME
 43.66°N 70.27°W (Elev. 7 ft)
Last Update:
2:20 pm EDT May 1, 2026
Forecast Valid:
4pm EDT May 1, 2026-6pm EDT May 8, 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