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 100%
Wind Speed Calm
Barometer 29.32 in (992.8 mb)
Dewpoint 38°F (3°C)
Visibility 0.75 mi
Last update 15 Jan 8:51 am EST
Extended Forecast for

Portland ME

Dense Fog Advisory January 15, 09:37am until January 15, 10:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory January 15, 09:37am until January 15, 10:00am

    NOW until 10:00am Thu

    Dense Fog Advisory

  • Today

    High: 45 °F

    Chance
    Showers and
    Areas Fog
    then Patchy
    Fog

  • Tonight

    Tonight: Partly cloudy, with a low around 21. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 21 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 29. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 29 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 22. Southwest wind around 5 mph.

    Low: 22 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow before 2pm, then a chance of rain and snow between 2pm and 4pm, then a chance of rain after 4pm. Mostly cloudy, with a high near 36. Southwest wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 36 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A 40 percent chance of rain before 1am. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Chance Rain

  • Sunday

    Sunday: Mostly cloudy, with a high near 37.

    High: 37 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A chance of snow between 7pm and 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 30%.

    Low: 24 °F

    Chance Snow

Detailed Forecast

Today
A 50 percent chance of showers, mainly before 10am. Areas of fog. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 45. South wind 5 to 10 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Partly cloudy, with a low around 21. West wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Sunny, with a high near 29. West wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly cloudy, with a low around 22. Southwest wind around 5 mph.
Saturday
A chance of snow before 2pm, then a chance of rain and snow between 2pm and 4pm, then a chance of rain after 4pm. Mostly cloudy, with a high near 36. Southwest wind 5 to 10 mph. Chance of precipitation is 40%.
Saturday Night
A 40 percent chance of rain before 1am. Mostly cloudy, with a low around 29.
Sunday
Mostly cloudy, with a high near 37.
Sunday Night
A chance of snow between 7pm and 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 30%.
M.L.King Day
Mostly sunny, with a high near 32.
Monday Night
Partly cloudy, with a low around 16.
Tuesday
Mostly sunny, with a high near 22.
Tuesday Night
Partly cloudy, with a low around 10.
Wednesday
Mostly sunny, with a high near 21.
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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:
8:24 am EST Jan 15, 2026
Forecast Valid:
9am EST Jan 15, 2026-6pm EST Jan 21, 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