National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Portland, Portland International Jetport (KPWM)

Lat: 43.64°NLon: 70.3°WElev: 72ft.

Fog/Mist

49°F

9°C

Humidity 100%
Wind Speed S 18 G 35 mph
Barometer 29.24 in (990.0 mb)
Dewpoint 49°F (9°C)
Visibility 3.00 mi
Wind Chill43°F (6°C)
Last update 17 Mar 4:51 am EDT
Extended Forecast for

Portland International Jetport ME

Wind Advisory March 17, 05:51am until March 17, 08:00am
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory March 17, 05:51am until March 17, 08:00am

    NOW until 8:00am Tue

    Wind Advisory

  • Overnight

    Low: 48 °F

    Chance
    Showers and
    Breezy

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a temperature falling to around 35 by 5pm. Breezy, with a west wind 15 to 20 mph, with gusts as high as 35 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 39 °F⇓

    Breezy.
    Chance
    Showers then
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 17. West wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 17 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 34. West wind 5 to 10 mph.

    High: 34 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 22. South wind around 5 mph.

    Low: 22 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

Detailed Forecast

Overnight
A 50 percent chance of showers. Cloudy, with a steady temperature around 48. Breezy, with a south wind around 25 mph, with gusts as high as 40 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A 30 percent chance of showers, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a temperature falling to around 35 by 5pm. Breezy, with a west wind 15 to 20 mph, with gusts as high as 35 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Mostly clear, with a low around 17. West wind 10 to 15 mph, with gusts as high as 30 mph.
Wednesday
Increasing clouds, with a high near 34. West wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 22. South wind around 5 mph.
Thursday
Partly sunny, with a high near 38.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
Partly sunny, with a high near 45.
Friday Night
A chance of rain after 3am, mixing with snow after 5am. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.
Saturday
A chance of rain and snow before 11am, then a chance of rain. Partly sunny, with a high near 44. Chance of precipitation is 40%.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 25.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 43. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around 23.
Monday
Partly sunny, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portland International Jetport ME
 43.65°N 70.3°W (Elev. 52 ft)
Last Update:
5:04 am EDT Mar 17, 2026
Forecast Valid:
5am EDT Mar 17, 2026-6pm EDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

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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