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.

Light Rain Fog/Mist

49°F

9°C

Humidity 100%
Wind Speed S 20 G 38 mph
Barometer 29.54 in (1000.1 mb)
Dewpoint 49°F (9°C)
Visibility 1.00 mi
Wind Chill42°F (6°C)
Last update 16 Mar 9:51 pm EDT
Extended Forecast for

Portland International Jetport ME

Flood Watch until March 17, 02:00pm
Wind Advisory until March 17, 08:00am
Click here for hazard details and duration
Flood Watch
Wind Advisory
  •  
    Flood Watch until March 17, 02:00pm
    Wind Advisory until March 17, 08:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 41 °F

    Rain and
    Breezy

  • Tuesday

    Tuesday: Cloudy through mid morning, then gradual clearing, with a temperature falling to around 37 by 5pm. Breezy, with a west wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 45 °F⇓

    Gradual
    Clearing and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 16. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 16 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 33. West wind 5 to 10 mph.

    High: 33 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 23. South wind around 5 mph.

    Low: 23 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

Detailed Forecast

Tonight
Rain, mainly before 5am. Low around 41. Breezy, with a south wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Cloudy through mid morning, then gradual clearing, with a temperature falling to around 37 by 5pm. Breezy, with a west wind 15 to 20 mph, with gusts as high as 35 mph.
Tuesday Night
Mostly clear, with a low around 16. West wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Increasing clouds, with a high near 33. West wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 23. South wind around 5 mph.
Thursday
Partly sunny, with a high near 39.
Thursday Night
Mostly cloudy, with a low around 27.
Friday
Partly sunny, with a high near 45.
Friday Night
A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 27.
Saturday
A chance of rain and snow. Partly sunny, with a high near 40. Chance of precipitation is 50%.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 23. Chance of precipitation is 40%.
Sunday
A 30 percent chance of snow. Partly sunny, with a high near 39.
Sunday Night
Mostly cloudy, with a low around 22.
Monday
Mostly sunny, with a high near 40.
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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:
5:31 pm EDT Mar 16, 2026
Forecast Valid:
10pm EDT Mar 16, 2026-6pm EDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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