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

41°F

5°C

Humidity 82%
Wind Speed Calm
Barometer 29.29 in (992.0 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 15 Jan 4:51 pm EST
Extended Forecast for

Portland International Jetport ME

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Partly sunny, with a high near 45. Southwest wind around 10 mph.

    High: 45 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 18. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 18 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 28. West wind around 15 mph, with gusts as high as 30 mph.

    High: 28 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 18. West wind around 5 mph becoming calm in the evening.

    Low: 18 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow before 1pm, then a chance of rain and snow between 1pm and 3pm, then rain likely after 3pm. Mostly cloudy, with a high near 36. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Chance Snow
    then
    Rain/Snow
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of rain before 9pm. Mostly cloudy, with a low around 25.

    Low: 25 °F

    Chance Rain
    then Mostly
    Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 36.

    High: 36 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A chance of snow between 10pm and 11pm. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.

    Low: 20 °F

    Chance Snow
    then Mostly
    Cloudy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Partly sunny, with a high near 45. Southwest wind around 10 mph.
Tonight
Mostly cloudy, with a low around 18. West wind around 10 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 28. West wind around 15 mph, with gusts as high as 30 mph.
Friday Night
Mostly cloudy, with a low around 18. West wind around 5 mph becoming calm in the evening.
Saturday
A chance of snow before 1pm, then a chance of rain and snow between 1pm and 3pm, then rain likely after 3pm. Mostly cloudy, with a high near 36. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
A 30 percent chance of rain before 9pm. Mostly cloudy, with a low around 25.
Sunday
Mostly cloudy, with a high near 36.
Sunday Night
A chance of snow between 10pm and 11pm. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.
M.L.King Day
Mostly sunny, with a high near 33.
Monday Night
Partly cloudy, with a low around 14.
Tuesday
Mostly sunny, with a high near 21.
Tuesday Night
Partly cloudy, with a low around 7.
Wednesday
Partly sunny, with a high near 22.
Wednesday Night
Mostly cloudy, with a low around 13.
Thursday
Partly sunny, with a high near 30.
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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:
12:45 pm EST Jan 15, 2026
Forecast Valid:
5pm EST Jan 15, 2026-6pm EST Jan 22, 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