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

45°F

7°C

Humidity 83%
Wind Speed E 12 mph
Barometer 30.12 in (1019.8 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 18 Apr 4:51 pm EDT
Extended Forecast for

Portland ME

  • Tonight

    Tonight: A slight chance of rain before 9pm, then a slight chance of rain after 5am. Patchy fog after 9pm. Otherwise, cloudy, with a low around 43. East wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 43 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Patchy
    Fog

  • Sunday

    Sunday: Rain, mainly after 10am. Areas of fog before 3pm. High near 46. South wind 5 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 46 °F

    Rain and
    Areas Fog

  • Sunday Night

    Sunday Night: Rain likely, possibly mixing with snow after 11pm, then gradually ending. Cloudy during the early evening, then gradual clearing, with a low around 34. West wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain/Snow
    Likely then
    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 46. West wind 5 to 10 mph.

    High: 46 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 30. North wind around 5 mph.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 47.

    High: 47 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of rain before 9pm, then a slight chance of rain after 5am. Patchy fog after 9pm. Otherwise, cloudy, with a low around 43. East wind 5 to 10 mph. Chance of precipitation is 20%.
Sunday
Rain, mainly after 10am. Areas of fog before 3pm. High near 46. South wind 5 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain likely, possibly mixing with snow after 11pm, then gradually ending. Cloudy during the early evening, then gradual clearing, with a low around 34. West wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Monday
Mostly sunny, with a high near 46. West wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 30. North wind around 5 mph.
Tuesday
Sunny, with a high near 44.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Mostly cloudy, with a high near 47.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
Partly sunny, with a high near 53.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Mostly sunny, with a high near 53.
Friday Night
Mostly cloudy, with a low around 40.
Saturday
Mostly sunny, with a high near 52.
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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:
2:35 pm EDT Apr 18, 2026
Forecast Valid:
5pm EDT Apr 18, 2026-6pm EDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation