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.

Fog

56°F

13°C

Humidity 100%
Wind Speed Calm
Barometer 30.05 in (1017.6 mb)
Dewpoint 56°F (13°C)
Visibility 0.25 mi
Last update 1 Oct 12:51 am EDT
Extended Forecast for

South Portland MESimilar City Names

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 76. Light southwest wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 76 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 62. Southwest wind around 5 mph.

    Low: 62 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers after 3pm. Partly sunny, with a high near 80. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 80 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers before 1am. Mostly cloudy, with a low around 52. Northwest wind around 5 mph.

    Low: 52 °F

    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 51. Calm wind.
Thursday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 76. Light southwest wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 62. Southwest wind around 5 mph.
Friday
A 30 percent chance of showers after 3pm. Partly sunny, with a high near 80. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
A 50 percent chance of showers before 1am. Mostly cloudy, with a low around 52. Northwest wind around 5 mph.
Saturday
Sunny, with a high near 69.
Saturday Night
Mostly clear, with a low around 40.
Sunday
Sunny, with a high near 62.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Mostly sunny, with a high near 66.
Monday Night
Mostly clear, with a low around 38.
Tuesday
Sunny, with a high near 57.
Tuesday Night
Mostly clear, 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 MESimilar City Names
 43.62°N 70.28°W (Elev. 39 ft)
Last Update:
2:17 pm EDT Sep 30, 2026
Forecast Valid:
1am EDT Oct 1, 2026-6pm EDT Oct 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation