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

43°F

6°C

Humidity 82%
Wind Speed NW 14 mph
Barometer 29.71 in (1006.1 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 19 Apr 3:51 pm EDT
Extended Forecast for

Portland ME

  • This Afternoon

    This Afternoon: Rain. High near 46. Northwest wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 46 °F

    Rain

  • Tonight

    Tonight: Rain likely, mainly before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 34. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Rain Likely
    then Clear

  • Monday

    Monday: A 30 percent chance of showers, mainly after 3pm. Increasing clouds, with a high near 47. West wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Sunny then
    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 32. North wind around 5 mph.

    Low: 32 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 43. North wind 5 to 10 mph becoming south in the afternoon.

    High: 43 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 45.

    High: 45 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Rain. High near 46. Northwest wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain likely, mainly before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 34. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A 30 percent chance of showers, mainly after 3pm. Increasing clouds, with a high near 47. West wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Partly cloudy, with a low around 32. North wind around 5 mph.
Tuesday
Mostly sunny, with a high near 43. North wind 5 to 10 mph becoming south in the afternoon.
Tuesday Night
Partly cloudy, with a low around 35.
Wednesday
Mostly cloudy, with a high near 45.
Wednesday Night
Mostly cloudy, with a low around 38.
Thursday
Partly sunny, with a high near 52.
Thursday Night
Partly cloudy, with a low around 38.
Friday
Mostly sunny, with a high near 51.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Partly sunny, with a high near 50.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 42.
Sunday
A chance of showers. Partly sunny, with a high near 51.
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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:
2:51 pm EDT Apr 19, 2026
Forecast Valid:
3pm EDT Apr 19, 2026-6pm EDT Apr 26, 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