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.

Overcast

62°F

17°C

Humidity 70%
Wind Speed N 5 mph
Barometer 29.81 in (1009.4 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 12 Oct 7:51 pm EDT
Extended Forecast for

Portland ME

  • Tonight

    Tonight: A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 44. Northeast wind 5 to 10 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: Rain, mainly after 9am. High near 53. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 53 °F

    Rain Likely
    then Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before 2am. Low around 53. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 53 °F

    Rain

  • Wednesday

    Wednesday: Cloudy, then gradually becoming mostly sunny, with a high near 66. Northwest wind 5 to 10 mph.

    High: 66 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 50. Northwest wind around 5 mph.

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: Showers, mainly after 7am. High near 57. Chance of precipitation is 80%.

    High: 57 °F

    Showers

  • Friday Night

    Friday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.

    Low: 42 °F

    Showers
    Likely

Detailed Forecast

Tonight
A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 44. Northeast wind 5 to 10 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain, mainly after 9am. High near 53. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain, mainly before 2am. Low around 53. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 66. Northwest wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 50. Northwest wind around 5 mph.
Thursday
Sunny, with a high near 57.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Showers, mainly after 7am. High near 57. Chance of precipitation is 80%.
Friday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.
Saturday
Mostly sunny, with a high near 50. Windy.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 37.
Monday
Mostly sunny, with a high near 58.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portland ME
 43.66°N 70.27°W (Elev. 7 ft)
Last Update:
2:23 pm EDT Oct 12, 2026
Forecast Valid:
8pm EDT Oct 12, 2026-6pm EDT Oct 19, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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