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.

Light Rain Fog/Mist

45°F

7°C

Humidity 97%
Wind Speed SW 5 mph
Barometer 29.59 in (1002.1 mb)
Dewpoint 44°F (7°C)
Visibility 5.00 mi
Wind Chill42°F (6°C)
Last update 12 Mar 1:51 pm EDT
Extended Forecast for

Portland ME

  • This Afternoon

    This Afternoon: A chance of rain before 4pm, then a chance of rain and snow. Cloudy, with a steady temperature around 41. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 41 °F

    Chance
    Rain/Snow

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 25. Northwest wind around 10 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 before 11pm, then rain and snow likely between 11pm and 1am, then rain likely after 1am. 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

    Rain/Snow
    Likely

  • Saturday

    Saturday: A 30 percent chance of rain before 10am. Partly sunny, with a high near 44. West wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 44 °F

    Chance Rain
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of rain after 3am. Cloudy, with a low around 33.

    Low: 33 °F

    Cloudy then
    Chance Rain

  • Monday

    Monday: Rain, mainly after 8am. High near 52. Chance of precipitation is 90%.

    High: 52 °F

    Rain

Detailed Forecast

This Afternoon
A chance of rain before 4pm, then a chance of rain and snow. Cloudy, with a steady temperature around 41. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 25. Northwest wind around 10 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 before 11pm, then rain and snow likely between 11pm and 1am, then rain likely after 1am. 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 30 percent chance of rain before 10am. Partly sunny, with a high near 44. West wind 10 to 15 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 27.
Sunday
Partly sunny, with a high near 39.
Sunday Night
A 50 percent chance of rain after 3am. Cloudy, with a low around 33.
Monday
Rain, mainly after 8am. High near 52. Chance of precipitation is 90%.
Monday Night
Rain. Low around 34. Breezy. Chance of precipitation is 80%.
Tuesday
A 30 percent chance of rain. Partly sunny, with a high near 42.
Tuesday Night
Partly cloudy, with a low around 21.
Wednesday
Sunny, with a high near 34.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portland ME
 43.66°N 70.27°W (Elev. 7 ft)
Last Update:
12:57 pm EDT Mar 12, 2026
Forecast Valid:
2pm EDT Mar 12, 2026-6pm EDT Mar 18, 2026
 
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Additional Resources

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Chance of Precipitation