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

29°F

-2°C

Humidity 89%
Wind Speed N 6 mph
Barometer 30.12 in (1019.9 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 23 Mar 11:51 pm EDT
Extended Forecast for

Portland ME

  • Overnight

    Overnight: A 20 percent chance of snow. Partly cloudy, with a low around 30. North wind around 10 mph.

    Low: 30 °F

    Slight Chance
    Snow

  • Tuesday

    Tuesday: Mostly sunny, with a high near 42. North wind around 10 mph becoming southwest in the afternoon.

    High: 42 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 32. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 47. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 47 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain after 2am. Mostly cloudy, with a low around 35. Southwest wind around 10 mph.

    Low: 35 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: A 30 percent chance of rain before 3pm. Mostly cloudy, with a high near 50.

    High: 50 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely before 5am, then rain and snow likely. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.

    Low: 36 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Friday

    Friday: Snow likely, possibly mixed with rain, mainly before 7am. Partly sunny, with a high near 44. Chance of precipitation is 60%.

    High: 44 °F

    Rain/Snow
    Likely then
    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of snow. Partly cloudy, with a low around 30. North wind around 10 mph.
Tuesday
Mostly sunny, with a high near 42. North wind around 10 mph becoming southwest in the afternoon.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 32. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 47. West wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
A 40 percent chance of rain after 2am. Mostly cloudy, with a low around 35. Southwest wind around 10 mph.
Thursday
A 30 percent chance of rain before 3pm. Mostly cloudy, with a high near 50.
Thursday Night
Rain likely before 5am, then rain and snow likely. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.
Friday
Snow likely, possibly mixed with rain, mainly before 7am. Partly sunny, with a high near 44. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 17.
Saturday
Sunny, with a high near 33.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Sunny, with a high near 41.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Mostly sunny, with a high near 43.
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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:
10:00 pm EDT Mar 23, 2026
Forecast Valid:
1am EDT Mar 24, 2026-6pm EDT Mar 30, 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