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.

Fair

31°F

-1°C

Humidity 96%
Wind Speed W 3 mph
Barometer 29.99 in (1015.6 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 20 Apr 2:51 am EDT
Extended Forecast for

Portland International Jetport ME

  • Overnight

    Overnight: Clear, with a low around 31. West wind around 5 mph.

    Low: 31 °F

    Clear

  • Monday

    Monday: A 20 percent chance of showers after 2pm. Increasing clouds, with a high near 49. West wind 5 to 10 mph.

    High: 49 °F

    Sunny then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 28. North wind around 5 mph.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 45. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 45 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 33. South wind around 5 mph.

    Low: 33 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers between 11am and noon. Mostly cloudy, with a high near 46. Chance of precipitation is 30%.

    High: 46 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday Night

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

    Low: 36 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers between 11am and noon. Partly sunny, with a high near 53. Chance of precipitation is 30%.

    High: 53 °F

    Chance
    Showers then
    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 31. West wind around 5 mph.
Monday
A 20 percent chance of showers after 2pm. Increasing clouds, with a high near 49. West wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 28. North wind around 5 mph.
Tuesday
Sunny, with a high near 45. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 33. South wind around 5 mph.
Wednesday
A chance of showers between 11am and noon. Mostly cloudy, with a high near 46. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 36.
Thursday
A chance of showers between 11am and noon. Partly sunny, with a high near 53. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Mostly sunny, with a high near 53.
Friday Night
Partly cloudy, with a low around 36.
Saturday
Mostly sunny, with a high near 52.
Saturday Night
Mostly cloudy, with a low around 38.
Sunday
Partly sunny, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portland International Jetport ME
 43.65°N 70.3°W (Elev. 52 ft)
Last Update:
2:25 am EDT Apr 20, 2026
Forecast Valid:
3am EDT Apr 20, 2026-6pm EDT Apr 26, 2026
 
Forecast Discussion
 
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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