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

65°F

18°C

Humidity 31%
Wind Speed SW 9 mph
Barometer 29.90 in (1012.4 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 30 Mar 6:51 pm EDT
Extended Forecast for

Portland International Jetport ME

  • Tonight

    Tonight: A 30 percent chance of rain, mainly after 5am. Mostly cloudy, with a low around 40. Southwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: Rain, mainly before 1pm. High near 42. Northeast wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 42 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Patchy fog after 11pm. Low around 35. East wind around 5 mph. Chance of precipitation is 80%. 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. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 51. South wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 51 °F

    Chance Rain
    and Patchy
    Fog

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain between 2am and 5am. Mostly cloudy, with a low around 30. North wind around 5 mph.

    Low: 30 °F

    Chance Rain

  • Thursday

    Thursday: A chance of snow before 9am, then a chance of rain and snow. Mostly cloudy, with a high near 38. Chance of precipitation is 50%.

    High: 38 °F

    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Rain and snow likely, mainly after 10pm. Cloudy, with a low around 31. Chance of precipitation is 60%.

    Low: 31 °F

    Rain/Snow
    Likely

  • Friday

    Friday: Rain likely, mainly before 9am. Cloudy, with a high near 51. Chance of precipitation is 60%.

    High: 51 °F

    Rain Likely

  • Friday Night

    Friday Night: A 40 percent chance of rain before 3am. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

Detailed Forecast

Tonight
A 30 percent chance of rain, mainly after 5am. Mostly cloudy, with a low around 40. Southwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain, mainly before 1pm. High near 42. Northeast wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain. Patchy fog after 11pm. Low around 35. East wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A 50 percent chance of rain. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 51. South wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
A 30 percent chance of rain between 2am and 5am. Mostly cloudy, with a low around 30. North wind around 5 mph.
Thursday
A chance of snow before 9am, then a chance of rain and snow. Mostly cloudy, with a high near 38. Chance of precipitation is 50%.
Thursday Night
Rain and snow likely, mainly after 10pm. Cloudy, with a low around 31. Chance of precipitation is 60%.
Friday
Rain likely, mainly before 9am. Cloudy, with a high near 51. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of rain before 3am. Mostly cloudy, with a low around 39.
Saturday
Mostly cloudy, with a high near 52.
Saturday Night
A 40 percent chance of rain. Cloudy, with a low around 35.
Sunday
Rain likely. Cloudy, with a high near 53. Chance of precipitation is 60%.
Sunday Night
Rain likely. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.
Monday
A 30 percent chance of rain. Partly sunny, with a high near 51.
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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:
7:28 pm EDT Mar 30, 2026
Forecast Valid:
7pm EDT Mar 30, 2026-6pm EDT Apr 6, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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