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.

Mostly Cloudy

50°F

10°C

Humidity 96%
Wind Speed E 8 mph
Barometer 30.20 in (1022.7 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 18 Apr 9:51 am EDT
Extended Forecast for

Portland ME

  • Today

    Today: Patchy fog before noon. Otherwise, mostly cloudy, with a high near 50. East wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 50 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, cloudy, with a low around 42. East wind 5 to 10 mph becoming light southeast in the evening.

    Low: 42 °F

    Cloudy then
    Patchy Fog

  • Sunday

    Sunday: Rain, mainly after 8am. Patchy fog before 9am. High near 47. South wind around 5 mph becoming northwest in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 47 °F

    Rain and
    Patchy Fog

  • Sunday Night

    Sunday Night: Rain likely, mainly before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 34. West wind 5 to 10 mph. Chance of precipitation is 60%.

    Low: 34 °F

    Rain Likely
    then Mostly
    Clear

  • Monday

    Monday: Mostly sunny, with a high near 45. West wind 5 to 10 mph.

    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

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

Detailed Forecast

Today
Patchy fog before noon. Otherwise, mostly cloudy, with a high near 50. East wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Patchy fog after 1am. Otherwise, cloudy, with a low around 42. East wind 5 to 10 mph becoming light southeast in the evening.
Sunday
Rain, mainly after 8am. Patchy fog before 9am. High near 47. South wind around 5 mph becoming northwest in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain likely, mainly before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 34. West wind 5 to 10 mph. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 45. West wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 30.
Tuesday
Sunny, with a high near 44.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Partly sunny, with a high near 51.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
Mostly sunny, with a high near 52.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Partly sunny, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portland ME
 43.66°N 70.27°W (Elev. 7 ft)
Last Update:
8:37 am EDT Apr 18, 2026
Forecast Valid:
10am EDT Apr 18, 2026-6pm EDT Apr 24, 2026
 
Forecast Discussion
 
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Additional Resources

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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