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.

Fair

39°F

4°C

Humidity 67%
Wind Speed Calm
Barometer 29.93 in (1013.4 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 10 Mar 5:51 am EDT
Extended Forecast for

Portland International Jetport ME

  • Today

    Today: Sunny, with a high near 63. Calm wind becoming south around 5 mph in the afternoon.

    High: 63 °F

    Sunny

  • Tonight

    Tonight: A 20 percent chance of rain after 2am. Mostly cloudy, with a low around 33. Calm wind becoming northeast around 5 mph after midnight.

    Low: 33 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: Rain likely, mainly between 8am and 3pm. Patchy fog between noon and 1pm. Otherwise, cloudy, with a high near 40. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 40 °F

    Rain Likely
    and Patchy
    Fog

  • Wednesday Night

    Wednesday Night: Rain likely. Areas of dense fog. Otherwise, cloudy, with a low around 33. East wind 5 to 10 mph becoming south after midnight. Chance of precipitation is 70%.

    Low: 33 °F

    Rain Likely
    and Areas
    Dense Fog

  • Thursday

    Thursday: Rain likely, mainly before 9am. Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 49. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 49 °F

    Rain Likely
    and Areas Fog

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of snow before 11pm, then rain and snow likely between 11pm and 2am, then rain likely after 2am. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.

    Low: 28 °F

    Rain/Snow
    Likely

  • Saturday

    Saturday: A 40 percent chance of rain before 10am. Partly sunny, with a high near 44.

    High: 44 °F

    Chance Rain
    then Mostly
    Sunny

Detailed Forecast

Today
Sunny, with a high near 63. Calm wind becoming south around 5 mph in the afternoon.
Tonight
A 20 percent chance of rain after 2am. Mostly cloudy, with a low around 33. Calm wind becoming northeast around 5 mph after midnight.
Wednesday
Rain likely, mainly between 8am and 3pm. Patchy fog between noon and 1pm. Otherwise, cloudy, with a high near 40. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain likely. Areas of dense fog. Otherwise, cloudy, with a low around 33. East wind 5 to 10 mph becoming south after midnight. Chance of precipitation is 70%.
Thursday
Rain likely, mainly before 9am. Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 49. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Mostly sunny, with a high near 40.
Friday Night
A chance of snow before 11pm, then rain and snow likely between 11pm and 2am, then rain likely after 2am. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.
Saturday
A 40 percent chance of rain before 10am. Partly sunny, with a high near 44.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
A 30 percent chance of snow. Cloudy, with a high near 42.
Sunday Night
Rain likely. Cloudy, with a low around 31. Chance of precipitation is 60%.
Monday
Rain likely. Cloudy, with a high near 48. Chance of precipitation is 70%.
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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:
2:27 am EDT Mar 10, 2026
Forecast Valid:
6am EDT Mar 10, 2026-6pm EDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation