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

27°F

-3°C

Humidity 92%
Wind Speed NW 3 mph
Barometer 30.12 in (1020.2 mb)
Dewpoint 25°F (-4°C)
Visibility 7.00 mi
Last update 17 Jan 9:51 am EST
Extended Forecast for

Portland International Jetport ME

Winter Weather Advisory January 17, 10:08am until January 17, 08:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory January 17, 10:08am until January 17, 08:00pm

    NOW until 8:00pm Sat

    Winter Weather Advisory

  • Today

    High: 33 °F

    Chance Snow
    then Snow

  • Tonight

    Tonight: Snow likely before 7pm. Mostly cloudy, with a low around 27. Southwest wind around 5 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Snow Likely
    then Mostly
    Cloudy

  • Sunday

    Sunday: A slight chance of snow before 10am, then a chance of snow after 11am. Cloudy, with a high near 36. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 36 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A 40 percent chance of snow before 1am. Mostly cloudy, with a low around 21. Calm wind becoming north around 5 mph.

    Low: 21 °F

    Chance Snow

  • M.L.King Day

    M.L.King Day: Partly sunny, with a high near 33. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 33 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 23.

    High: 23 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 10.

    Low: 10 °F

    Mostly Clear

Detailed Forecast

Today
Snow, mainly after noon. High near 33. Southwest wind around 10 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 2 to 4 inches possible.
Tonight
Snow likely before 7pm. Mostly cloudy, with a low around 27. Southwest wind around 5 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday
A slight chance of snow before 10am, then a chance of snow after 11am. Cloudy, with a high near 36. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.
Sunday Night
A 40 percent chance of snow before 1am. Mostly cloudy, with a low around 21. Calm wind becoming north around 5 mph.
M.L.King Day
Partly sunny, with a high near 33. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 16.
Tuesday
Mostly sunny, with a high near 23.
Tuesday Night
Mostly clear, with a low around 10.
Wednesday
Mostly sunny, with a high near 26.
Wednesday Night
A 30 percent chance of snow after 4am. Mostly cloudy, with a low around 19.
Thursday
Partly sunny, with a high near 34.
Thursday Night
Mostly cloudy, with a low around 17.
Friday
Mostly sunny, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portland International Jetport ME
 43.65°N 70.3°W (Elev. 52 ft)
Last Update:
9:13 am EST Jan 17, 2026
Forecast Valid:
10am EST Jan 17, 2026-6pm EST Jan 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