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.

Light Rain Fog

43°F

6°C

Humidity 100%
Wind Speed S 5 mph
Barometer 29.79 in (1008.6 mb)
Dewpoint 43°F (6°C)
Visibility 0.25 mi
Wind Chill40°F (4°C)
Last update 19 Apr 8:51 am EDT
Extended Forecast for

Portland International Jetport ME

  • Today

    Today: Rain. Patchy fog before noon. High near 48. South wind around 5 mph becoming north in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 48 °F

    Rain and
    Patchy Fog

  • Tonight

    Tonight: Rain likely, mainly before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 32. West wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 32 °F

    Rain Likely
    then Mostly
    Clear

  • Monday

    Monday: A 40 percent chance of showers, mainly after 1pm. Mostly sunny, with a high near 49. West wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Mostly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 28. North wind around 5 mph.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 45. Calm wind becoming south around 5 mph in the afternoon.

    High: 45 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 48.

    High: 48 °F

    Mostly Cloudy

  • Wednesday Night

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

    Low: 37 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

Detailed Forecast

Today
Rain. Patchy fog before noon. High near 48. South wind around 5 mph becoming north in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Rain likely, mainly before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 32. West wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A 40 percent chance of showers, mainly after 1pm. Mostly sunny, with a high near 49. West wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Partly cloudy, with a low around 28. North wind around 5 mph.
Tuesday
Sunny, with a high near 45. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 32.
Wednesday
Mostly cloudy, with a high near 48.
Wednesday Night
Mostly cloudy, with a low around 37.
Thursday
Partly sunny, with a high near 55.
Thursday Night
Mostly cloudy, with a low around 38.
Friday
Mostly sunny, with a high near 54.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
Partly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portland International Jetport ME
 43.65°N 70.3°W (Elev. 52 ft)
Last Update:
6:25 am EDT Apr 19, 2026
Forecast Valid:
9am EDT Apr 19, 2026-6pm EDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation