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

38°F

3°C

Humidity 97%
Wind Speed E 7 mph
Barometer 30.14 in (1020.6 mb)
Dewpoint 37°F (3°C)
Visibility 2.50 mi
Wind Chill33°F (1°C)
Last update 16 Mar 6:51 am EDT
Extended Forecast for

Portland ME

Flood Watch March 16, 02:00pm until March 17, 02:00pm
Wind Advisory March 16, 08:00pm until March 17, 08:00am
Click here for hazard details and duration
Flood Watch
Wind Advisory

  • Today

    Today: Rain and possibly a thunderstorm. High near 48. South wind around 15 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 48 °F

    Rain

  • Tonight

    Tonight: Rain and possibly a thunderstorm before 4am, then rain likely. Areas of fog between 9pm and 3am. Low around 41. Windy, with a south wind 20 to 30 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 41 °F

    Rain and
    Areas Fog

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a temperature falling to around 36 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: 45 °F⇓

    Breezy.
    Chance Rain
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 20. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 20 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Wednesday

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

    High: 34 °F

    Sunny

  • Wednesday Night

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

    Low: 26 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of snow after 4am. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy
    then Chance
    Snow

  • Friday

    Friday: A 30 percent chance of snow before 10am. Partly sunny, with a high near 45.

    High: 45 °F

    Chance Snow
    then Partly
    Sunny

Detailed Forecast

Today
Rain and possibly a thunderstorm. High near 48. South wind around 15 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Tonight
Rain and possibly a thunderstorm before 4am, then rain likely. Areas of fog between 9pm and 3am. Low around 41. Windy, with a south wind 20 to 30 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A 30 percent chance of rain, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a temperature falling to around 36 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 20. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph.
Wednesday
Sunny, with a high near 34. West wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
Partly sunny, with a high near 39.
Thursday Night
A 30 percent chance of snow after 4am. Mostly cloudy, with a low around 32.
Friday
A 30 percent chance of snow before 10am. Partly sunny, with a high near 45.
Friday Night
Mostly cloudy, with a low around 28.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 42. Chance of precipitation is 40%.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.
Sunday
A 30 percent chance of snow. Partly sunny, with a high near 38.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portland ME
 43.66°N 70.27°W (Elev. 7 ft)
Last Update:
6:36 am EDT Mar 16, 2026
Forecast Valid:
7am EDT Mar 16, 2026-6pm EDT Mar 22, 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