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.

A Few Clouds

50°F

10°C

Humidity 61%
Wind Speed N 8 mph
Barometer 30.16 in (1021.2 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 15 Oct 7:51 am EDT
Extended Forecast for

South Portland ME

  • Today

    Today: Sunny, with a high near 59. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 59 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 37. Calm wind.

    Low: 37 °F

    Increasing
    Clouds

  • Friday

    Friday: Showers, mainly between 8am and 3pm. High near 64. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 64 °F

    Showers

  • Friday Night

    Friday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 35. Southwest wind around 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%.

    Low: 35 °F

    Showers
    Likely

  • Saturday

    Saturday: Mostly sunny, with a high near 51. Northwest wind around 15 mph, with gusts as high as 30 mph.

    High: 51 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 59. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Tonight
Increasing clouds, with a low around 37. Calm wind.
Friday
Showers, mainly between 8am and 3pm. High near 64. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 35. Southwest wind around 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Saturday
Mostly sunny, with a high near 51. Northwest wind around 15 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 30.
Sunday
Sunny, with a high near 54.
Sunday Night
Mostly clear, with a low around 33.
Monday
Sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Mostly sunny, with a high near 62.
Tuesday Night
Partly cloudy, with a low around 36.
Wednesday
Sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Portland ME
 43.62°N 70.28°W (Elev. 39 ft)
Last Update:
6:36 am EDT Oct 15, 2026
Forecast Valid:
8am EDT Oct 15, 2026-6pm EDT Oct 21, 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