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

46°F

8°C

Humidity 96%
Wind Speed N 3 mph
Barometer 29.79 in (1008.8 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 14 Oct 12:51 am EDT
Extended Forecast for

Portland ME

  • Overnight

    Overnight: A 30 percent chance of rain and thunderstorms before 2am. Patchy fog. Otherwise, cloudy, with a low around 52. South wind around 5 mph becoming calm. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Chance
    T-storms and
    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 69. West wind 5 to 10 mph.

    High: 69 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47. Northwest wind around 5 mph.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 57. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 57 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Cloudy

  • Friday

    Friday: Showers, mainly after 8am. High near 56. Chance of precipitation is 100%.

    High: 56 °F

    Showers

  • Friday Night

    Friday Night: Showers likely, mainly before 11pm. Mostly cloudy, with a low around 39. Chance of precipitation is 70%.

    Low: 39 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 47. Windy.

    High: 47 °F

    Mostly Sunny
    and Windy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

Detailed Forecast

Overnight
A 30 percent chance of rain and thunderstorms before 2am. Patchy fog. Otherwise, cloudy, with a low around 52. South wind around 5 mph becoming calm. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 69. West wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 47. Northwest wind around 5 mph.
Thursday
Sunny, with a high near 57. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 46. Calm wind.
Friday
Showers, mainly after 8am. High near 56. Chance of precipitation is 100%.
Friday Night
Showers likely, mainly before 11pm. Mostly cloudy, with a low around 39. Chance of precipitation is 70%.
Saturday
Mostly sunny, with a high near 47. Windy.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Sunny, with a high near 52.
Sunday Night
Mostly clear, with a low around 36.
Monday
Mostly sunny, with a high near 58.
Monday Night
Mostly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 62.
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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:
2:31 pm EDT Oct 13, 2026
Forecast Valid:
1am EDT Oct 14, 2026-6pm EDT Oct 20, 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