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/Mist

48°F

9°C

Humidity 100%
Wind Speed S 9 mph
Barometer 29.86 in (1011.2 mb)
Dewpoint 48°F (9°C)
Visibility 6.00 mi
Wind Chill44°F (7°C)
Last update 17 Apr 8:51 am EDT
Extended Forecast for

Portland ME

  • Today

    Today: A 20 percent chance of showers between 2pm and 3pm. Patchy fog before 1pm. Otherwise, mostly cloudy, with a high near 59. East wind around 5 mph.

    High: 59 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Tonight

    Tonight: Partly cloudy, with a low around 44. Calm wind becoming northeast around 5 mph after midnight.

    Low: 44 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 49. East wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 49 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 11pm. Cloudy, with a low around 42. East wind around 5 mph becoming calm in the evening.

    Low: 42 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers. High near 48. South wind 5 to 10 mph. Chance of precipitation is 80%.

    High: 48 °F

    Showers

  • Sunday Night

    Sunday Night: A 40 percent chance of showers before midnight. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers between 2pm and 3pm. Patchy fog before 1pm. Otherwise, mostly cloudy, with a high near 59. East wind around 5 mph.
Tonight
Partly cloudy, with a low around 44. Calm wind becoming northeast around 5 mph after midnight.
Saturday
Mostly cloudy, with a high near 49. East wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
A 30 percent chance of showers after 11pm. Cloudy, with a low around 42. East wind around 5 mph becoming calm in the evening.
Sunday
Showers. High near 48. South wind 5 to 10 mph. Chance of precipitation is 80%.
Sunday Night
A 40 percent chance of showers before midnight. Mostly cloudy, with a low around 34.
Monday
Mostly sunny, with a high near 45.
Monday Night
Mostly clear, with a low around 30.
Tuesday
Sunny, with a high near 44.
Tuesday Night
A 30 percent chance of showers after 5am. Mostly cloudy, with a low around 38.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 52.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
Mostly 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:
2:26 am EDT Apr 17, 2026
Forecast Valid:
9am EDT Apr 17, 2026-6pm EDT Apr 23, 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