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 Snow Fog/Mist

30°F

-1°C

Humidity 100%
Wind Speed Calm
Barometer 30.06 in (1017.9 mb)
Dewpoint 30°F (-1°C)
Visibility 1.00 mi
Last update 17 Jan 11:51 am EST
Extended Forecast for

Portland ME

Winter Weather Advisory January 17, 12:49pm until January 17, 08:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory January 17, 12:49pm until January 17, 08:00pm

    NOW until 8:00pm Sat

    Winter Weather Advisory

  • This Afternoon

    High: 34 °F

    Rain/Snow

  • Tonight

    Tonight: Snow likely before 7pm. Mostly cloudy, with a low around 28. West wind around 5 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Snow Likely
    then Mostly
    Cloudy

  • Sunday

    Sunday: A 30 percent chance of snow, mainly after 3pm. Cloudy, with a high near 36. Southwest wind 5 to 10 mph.

    High: 36 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A 40 percent chance of snow before 1am. Mostly cloudy, with a low around 25. Northwest wind around 5 mph.

    Low: 25 °F

    Chance Snow

  • M.L.King Day

    M.L.King Day: Partly sunny, with a high near 33. Northwest wind 5 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph.

    High: 33 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 23.

    High: 23 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 13.

    Low: 13 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Snow before 4pm, then rain and snow. High near 34. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Snow likely before 7pm. Mostly cloudy, with a low around 28. West wind around 5 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday
A 30 percent chance of snow, mainly after 3pm. Cloudy, with a high near 36. Southwest wind 5 to 10 mph.
Sunday Night
A 40 percent chance of snow before 1am. Mostly cloudy, with a low around 25. Northwest wind around 5 mph.
M.L.King Day
Partly sunny, with a high near 33. Northwest wind 5 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph.
Monday Night
Partly cloudy, with a low around 18.
Tuesday
Sunny, with a high near 23.
Tuesday Night
Mostly clear, with a low around 13.
Wednesday
Mostly sunny, with a high near 28.
Wednesday Night
A 30 percent chance of snow after 4am. Mostly cloudy, with a low around 23.
Thursday
Partly sunny, with a high near 34.
Thursday Night
Mostly cloudy, with a low around 18.
Friday
Mostly sunny, with a high near 27.
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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:
9:13 am EST Jan 17, 2026
Forecast Valid:
12pm EST Jan 17, 2026-6pm EST Jan 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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