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.

Light Rain

56°F

13°C

Humidity 75%
Wind Speed E 5 mph
Barometer 30.07 in (1018.1 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 20 Sep 3:51 pm EDT
Extended Forecast for

Portland ME

  • This Afternoon

    This Afternoon: Rain. High near 59. Southeast wind around 10 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Rain

  • Tonight

    Tonight: Showers, mainly before midnight. Patchy fog before midnight, then patchy fog after 1am. Low around 52. East wind around 5 mph becoming north after midnight. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 52 °F

    Rain and
    Patchy Fog
    then Chance
    Showers and
    Patchy Fog

  • Monday

    Monday: Increasing clouds, with a high near 63. North wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 63 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 49. North wind 5 to 10 mph.

    Low: 49 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 60. Northeast wind 5 to 10 mph.

    High: 60 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Wednesday Night

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

    Low: 47 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Rain. High near 59. Southeast wind around 10 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers, mainly before midnight. Patchy fog before midnight, then patchy fog after 1am. Low around 52. East wind around 5 mph becoming north after midnight. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Increasing clouds, with a high near 63. North wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 49. North wind 5 to 10 mph.
Tuesday
Partly sunny, with a high near 60. Northeast wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Sunny, with a high near 59.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 63.
Thursday Night
Mostly cloudy, with a low around 48.
Friday
Partly sunny, with a high near 64.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 50.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 65. Breezy.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 51.
Sunday
A chance of showers. Partly sunny, with a high near 67.
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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:
2:26 pm EDT Sep 20, 2026
Forecast Valid:
4pm EDT Sep 20, 2026-6pm EDT Sep 27, 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