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

44°F

7°C

Humidity 73%
Wind Speed E 10 mph
Barometer 30.01 in (1016.3 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 31 Mar 7:51 am EDT
Extended Forecast for

Portland International Jetport ME

  • Today

    Today: Rain, mainly before 1pm. High near 42. Northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 42 °F

    Rain then
    Rain Likely

  • Tonight

    Tonight: Rain, mainly before 5am. Patchy fog after 11pm. Low around 35. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 35 °F

    Rain and
    Patchy Fog

  • Wednesday

    Wednesday: A 50 percent chance of rain, mainly after 8am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 50. North wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Chance Rain
    and Patchy
    Fog

  • Wednesday Night

    Wednesday Night: A chance of rain before 5am, then a chance of freezing rain. Mostly cloudy, with a low around 30. Northeast wind around 5 mph. Chance of precipitation is 50%.

    Low: 30 °F

    Chance Rain
    then Chance
    Rain/Freezing
    Rain

  • Thursday

    Thursday: A chance of rain, snow, and freezing rain before 11am, then a chance of sleet between 11am and 3pm, then a chance of rain and sleet after 3pm. Mostly cloudy, with a high near 38. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 38 °F

    Chance Wintry
    Mix

  • Thursday Night

    Thursday Night: A chance of rain and snow before 11pm, then a chance of rain. Mostly cloudy, with a low around 31. Chance of precipitation is 50%.

    Low: 31 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Friday

    Friday: A 30 percent chance of rain before 11am. Cloudy, with a high near 53.

    High: 53 °F

    Chance Rain
    then Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 54.

    High: 54 °F

    Mostly Cloudy

Detailed Forecast

Today
Rain, mainly before 1pm. High near 42. Northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain, mainly before 5am. Patchy fog after 11pm. Low around 35. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A 50 percent chance of rain, mainly after 8am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 50. North wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of rain before 5am, then a chance of freezing rain. Mostly cloudy, with a low around 30. Northeast wind around 5 mph. Chance of precipitation is 50%.
Thursday
A chance of rain, snow, and freezing rain before 11am, then a chance of sleet between 11am and 3pm, then a chance of rain and sleet after 3pm. Mostly cloudy, with a high near 38. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Thursday Night
A chance of rain and snow before 11pm, then a chance of rain. Mostly cloudy, with a low around 31. Chance of precipitation is 50%.
Friday
A 30 percent chance of rain before 11am. Cloudy, with a high near 53.
Friday Night
Mostly cloudy, with a low around 41.
Saturday
Mostly cloudy, with a high near 54.
Saturday Night
A 40 percent chance of rain after 7pm. Mostly cloudy, with a low around 36.
Sunday
A 50 percent chance of rain. Cloudy, with a high near 56.
Sunday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 39.
Monday
A 30 percent chance of rain. Mostly cloudy, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portland International Jetport ME
 43.65°N 70.3°W (Elev. 52 ft)
Last Update:
2:25 am EDT Mar 31, 2026
Forecast Valid:
9am EDT Mar 31, 2026-6pm EDT Apr 6, 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