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.

Overcast

40°F

4°C

Humidity 93%
Wind Speed NE 9 mph
Barometer 30.02 in (1016.4 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 31 Mar 1:51 pm EDT
Extended Forecast for

Portland ME

  • This Afternoon

    This Afternoon: A 50 percent chance of rain. Cloudy, with a high near 42. Northeast wind around 10 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 42 °F

    Chance Rain

  • Tonight

    Tonight: Rain, mainly before 5am. Patchy fog after 11pm. Low around 36. Northeast wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Rain and
    Patchy Fog

  • Wednesday

    Wednesday: A 50 percent chance of rain, mainly after 8am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 48. North wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Chance Rain
    and Patchy
    Fog

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 32. Northeast wind around 5 mph.

    Low: 32 °F

    Chance Rain

  • Thursday

    Thursday: A chance of rain and snow before 11am, then a chance of sleet between 11am and 3pm, then a chance of rain and sleet after 3pm. Mostly cloudy, with a high near 37. East wind around 10 mph. Chance of precipitation is 40%.

    High: 37 °F

    Chance Wintry
    Mix

  • Thursday Night

    Thursday Night: A chance of rain and snow before 10pm, then a chance of rain. Cloudy, with a low around 33. Chance of precipitation is 50%.

    Low: 33 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Friday

    Friday: A 30 percent chance of rain before 11am. Cloudy, with a high near 53.

    High: 53 °F

    Chance Rain
    then Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 52.

    High: 52 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A 50 percent chance of rain. Cloudy, with a high near 42. Northeast wind around 10 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, mainly before 5am. Patchy fog after 11pm. Low around 36. Northeast wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A 50 percent chance of rain, mainly after 8am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 48. North wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 32. Northeast wind around 5 mph.
Thursday
A chance of rain and snow before 11am, then a chance of sleet between 11am and 3pm, then a chance of rain and sleet after 3pm. Mostly cloudy, with a high near 37. East wind around 10 mph. Chance of precipitation is 40%.
Thursday Night
A chance of rain and snow before 10pm, then a chance of rain. Cloudy, with a low around 33. Chance of precipitation is 50%.
Friday
A 30 percent chance of rain before 11am. Cloudy, with a high near 53.
Friday Night
Mostly cloudy, with a low around 43.
Saturday
Mostly cloudy, with a high near 52.
Saturday Night
A 40 percent chance of rain. Cloudy, with a low around 38.
Sunday
A 50 percent chance of rain. Cloudy, with a high near 57.
Sunday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 41.
Monday
A 30 percent chance of rain. Mostly cloudy, with a high near 48.
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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:
2:25 am EDT Mar 31, 2026
Forecast Valid:
2pm EDT Mar 31, 2026-6pm EDT Apr 6, 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