National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Portland, Portland International Jetport (KPWM)

Lat: 43.64°NLon: 70.3°WElev: 72ft.

Fog

35°F

2°C

Humidity 100%
Wind Speed Calm
Barometer 29.51 in (999.3 mb)
Dewpoint 35°F (2°C)
Visibility 0.50 mi
Last update 12 Mar 3:51 am EDT
Extended Forecast for

Portland ME

  • Overnight

    Overnight: Rain likely, mainly before 5am. Areas of dense fog. Otherwise, cloudy, with a low around 36. South wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Rain Likely
    and Areas
    Dense Fog

  • Thursday

    Thursday: Rain likely before 4pm, then a chance of rain and snow. Areas of dense fog before 10am. Otherwise, cloudy, with a high near 52. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 52 °F

    Rain Likely
    and Areas
    Dense Fog
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Cloudy during the early evening, then gradual clearing, with a low around 25. Northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 25 °F

    Gradual
    Clearing

  • Friday

    Friday: Increasing clouds, with a high near 39. West wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.

    High: 39 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Snow likely between 7pm and 4am, then rain likely after 4am. Mostly cloudy, with a low around 33. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Chance Snow
    then
    Rain/Snow
    Likely

  • Saturday

    Saturday: A chance of rain before 7am, then a chance of snow between 7am and 8am. Partly sunny, with a high near 44. Chance of precipitation is 30%.

    High: 44 °F

    Chance
    Rain/Snow
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 39.

    High: 39 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain likely, possibly mixed with snow, mainly after 4am. Cloudy, with a low around 33. Chance of precipitation is 60%.

    Low: 33 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

Detailed Forecast

Overnight
Rain likely, mainly before 5am. Areas of dense fog. Otherwise, cloudy, with a low around 36. South wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain likely before 4pm, then a chance of rain and snow. Areas of dense fog before 10am. Otherwise, cloudy, with a high near 52. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
Cloudy during the early evening, then gradual clearing, with a low around 25. Northwest wind around 10 mph, with gusts as high as 20 mph.
Friday
Increasing clouds, with a high near 39. West wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Snow likely between 7pm and 4am, then rain likely after 4am. Mostly cloudy, with a low around 33. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday
A chance of rain before 7am, then a chance of snow between 7am and 8am. Partly sunny, with a high near 44. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Mostly cloudy, with a high near 39.
Sunday Night
Rain likely, possibly mixed with snow, mainly after 4am. Cloudy, with a low around 33. Chance of precipitation is 60%.
Monday
Rain. High near 52. Breezy. Chance of precipitation is 90%.
Monday Night
Rain. Low around 34. Chance of precipitation is 80%.
Tuesday
A 30 percent chance of rain. Partly sunny, with a high near 42.
Tuesday Night
Mostly clear, with a low around 21.
Wednesday
Sunny, with a high near 34.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portland ME
 43.66°N 70.27°W (Elev. 7 ft)
Last Update:
2:39 am EDT Mar 12, 2026
Forecast Valid:
4am EDT Mar 12, 2026-6pm EDT Mar 18, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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