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

47°F

8°C

Humidity 100%
Wind Speed NW 3 mph
Barometer 29.95 in (1014.1 mb)
Dewpoint 47°F (8°C)
Visibility 7.00 mi
Last update 16 Apr 8:51 am EDT
Extended Forecast for

Portland ME

  • Today

    Today: A chance of showers before 11am, then a chance of showers after 4pm. Areas of fog before 3pm. Otherwise, mostly cloudy, with a high near 52. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Chance
    Showers and
    Areas Fog

  • Tonight

    Tonight: Showers and thunderstorms likely before midnight, then a chance of showers. Patchy fog after 11pm. Otherwise, cloudy, with a low around 46. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Showers
    Likely and
    Patchy Fog

  • Friday

    Friday: A 40 percent chance of showers, mainly after 8am. Patchy fog before 1pm. Otherwise, partly sunny, with a high near 59. North wind around 5 mph becoming east in the afternoon. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F

    Chance
    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 51. East wind 5 to 10 mph.

    High: 51 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 3am. Cloudy, with a low around 43.

    Low: 43 °F

    Cloudy then
    Chance
    Showers

  • Sunday

    Sunday: Showers, mainly after 8am. High near 49. Chance of precipitation is 80%.

    High: 49 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly before 9pm. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.

    Low: 35 °F

    Showers
    Likely then
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers before 11am, then a chance of showers after 4pm. Areas of fog before 3pm. Otherwise, mostly cloudy, with a high near 52. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers and thunderstorms likely before midnight, then a chance of showers. Patchy fog after 11pm. Otherwise, cloudy, with a low around 46. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A 40 percent chance of showers, mainly after 8am. Patchy fog before 1pm. Otherwise, partly sunny, with a high near 59. North wind around 5 mph becoming east in the afternoon. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Mostly cloudy, with a low around 45. Calm wind.
Saturday
Mostly cloudy, with a high near 51. East wind 5 to 10 mph.
Saturday Night
A 30 percent chance of showers after 3am. Cloudy, with a low around 43.
Sunday
Showers, mainly after 8am. High near 49. Chance of precipitation is 80%.
Sunday Night
Showers likely, mainly before 9pm. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 43.
Monday Night
Mostly clear, with a low around 30.
Tuesday
Sunny, with a high near 46.
Tuesday Night
Mostly cloudy, with a low around 39.
Wednesday
Partly sunny, with a high near 52.
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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:
6:30 am EDT Apr 16, 2026
Forecast Valid:
8am EDT Apr 16, 2026-6pm EDT Apr 22, 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