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.

Fair

48°F

9°C

Humidity 71%
Wind Speed Calm
Barometer 30.39 in (1029.0 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 4 Oct 2:51 am EDT
Extended Forecast for

South Portland MESimilar City Names

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly clear, with a low around 43. North wind around 5 mph.

    Low: 43 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, increasing clouds, with a high near 60. Northeast wind 5 to 10 mph becoming east in the afternoon.

    High: 60 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 47. Southeast wind around 5 mph becoming calm. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Chance
    Showers

  • Monday

    Monday: Mostly cloudy through mid morning, then gradual clearing, with a high near 67. Breezy, with a west wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 67 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Monday Night

    Monday Night: Clear, with a low around 40. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 40 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 38.

    Low: 38 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly clear, with a low around 43. North wind around 5 mph.
Sunday
Patchy fog before 9am. Otherwise, increasing clouds, with a high near 60. Northeast wind 5 to 10 mph becoming east in the afternoon.
Sunday Night
A 30 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 47. Southeast wind around 5 mph becoming calm. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly cloudy through mid morning, then gradual clearing, with a high near 67. Breezy, with a west wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.
Monday Night
Clear, with a low around 40. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 57.
Tuesday Night
Clear, with a low around 38.
Wednesday
Sunny, with a high near 61.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Sunny, with a high near 68.
Thursday Night
Mostly clear, with a low around 45.
Friday
Sunny, with a high near 65.
Friday Night
Mostly clear, with a low around 43.
Saturday
Sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Portland MESimilar City Names
 43.62°N 70.28°W (Elev. 39 ft)
Last Update:
2:26 am EDT Oct 4, 2026
Forecast Valid:
3am EDT Oct 4, 2026-6pm EDT Oct 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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