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

36°F

2°C

Humidity 50%
Wind Speed S 12 mph
Barometer 29.98 in (1015.4 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 13 Mar 2:51 pm EDT
Extended Forecast for

Portland International Jetport ME

  • Tonight

    Tonight: Snow likely before 2am, then snow, possibly mixed with rain. Low around 30. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 3 inches possible.

    Low: 30 °F

    Chance Snow
    then
    Rain/Snow

  • Saturday

    Saturday: A slight chance of rain before 7am, then a chance of rain after 8am. Partly sunny, with a high near 45. West wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 24. West wind 10 to 15 mph, with gusts as high as 35 mph.

    Low: 24 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 41. Calm wind becoming south around 5 mph in the afternoon.

    High: 41 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 30. South wind 5 to 10 mph.

    Low: 30 °F

    Mostly Cloudy

  • Monday

    Monday: Rain, mainly after 7am. High near 51. Chance of precipitation is 100%.

    High: 51 °F

    Rain

  • Monday Night

    Monday Night: Rain. Low around 38. Chance of precipitation is 100%.

    Low: 38 °F

    Rain

  • Tuesday

    Tuesday: Rain likely, mainly before 9am. Partly sunny, with a high near 48. Chance of precipitation is 60%.

    High: 48 °F

    Rain Likely
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 17.

    Low: 17 °F

    Mostly Clear

Detailed Forecast

Tonight
Snow likely before 2am, then snow, possibly mixed with rain. Low around 30. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 3 inches possible.
Saturday
A slight chance of rain before 7am, then a chance of rain after 8am. Partly sunny, with a high near 45. West wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Mostly clear, with a low around 24. West wind 10 to 15 mph, with gusts as high as 35 mph.
Sunday
Partly sunny, with a high near 41. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 30. South wind 5 to 10 mph.
Monday
Rain, mainly after 7am. High near 51. Chance of precipitation is 100%.
Monday Night
Rain. Low around 38. Chance of precipitation is 100%.
Tuesday
Rain likely, mainly before 9am. Partly sunny, with a high near 48. Chance of precipitation is 60%.
Tuesday Night
Mostly clear, with a low around 17.
Wednesday
Sunny, with a high near 35.
Wednesday Night
Mostly cloudy, with a low around 22.
Thursday
Mostly cloudy, with a high near 41.
Thursday Night
Partly cloudy, with a low around 26.
Friday
Mostly sunny, with a high near 43.
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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:
2:28 pm EDT Mar 13, 2026
Forecast Valid:
3pm EDT Mar 13, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation