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.

Overcast

34°F

1°C

Humidity 85%
Wind Speed W 5 mph
Barometer 30.01 in (1016.2 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 18 Jan 12:51 pm EST
Extended Forecast for

Portland ME

Winter Weather Advisory January 18, 01:31pm until January 19, 01:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory January 18, 01:31pm until January 19, 01:00pm

    NOW until 1:00pm Mon

    Winter Weather Advisory

  • This Afternoon

    High: 35 °F

    Slight Chance
    Snow Showers

  • Tonight

    Tonight: Snow, mainly after 9pm. Low around 26. North wind 5 to 10 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 26 °F

    Snow

  • M.L.King Day

    M.L.King Day: Snow likely, mainly between 11am and 1pm, then a slight chance of snow showers after 1pm. Mostly cloudy, with a high near 33. North wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 33 °F

    Snow Likely

  • Monday Night

    Monday Night: Partly cloudy, with a low around 18. Southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 18 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 23. West wind around 15 mph, with gusts as high as 25 mph.

    High: 23 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 11.

    Low: 11 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow after 8pm. Mostly cloudy, with a low around 22.

    Low: 22 °F

    Chance Snow

Detailed Forecast

This Afternoon
A 20 percent chance of snow showers. Cloudy, with a high near 35. Southwest wind around 5 mph becoming northeast.
Tonight
Snow, mainly after 9pm. Low around 26. North wind 5 to 10 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
M.L.King Day
Snow likely, mainly between 11am and 1pm, then a slight chance of snow showers after 1pm. Mostly cloudy, with a high near 33. North wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Monday Night
Partly cloudy, with a low around 18. Southwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 23. West wind around 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 11.
Wednesday
Mostly sunny, with a high near 28.
Wednesday Night
A 40 percent chance of snow after 8pm. Mostly cloudy, with a low around 22.
Thursday
A 30 percent chance of snow before 5pm. Partly sunny, with a high near 37.
Thursday Night
Partly cloudy, with a low around 18.
Friday
Mostly sunny, with a high near 25.
Friday Night
Mostly cloudy, with a low around 11.
Saturday
Partly 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:
1:02 pm EST Jan 18, 2026
Forecast Valid:
1pm EST Jan 18, 2026-6pm EST Jan 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation