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

49°F

9°C

Humidity 97%
Wind Speed SW 9 mph
Barometer 29.91 in (1012.7 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 4 Apr 12:51 am EDT
Extended Forecast for

Portland International Jetport ME

  • Overnight

    Overnight: Partly cloudy, with a low around 41. West wind around 10 mph.

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 48. North wind around 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.

    High: 48 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers between 10pm and 2am, then rain likely after 2am. Mostly cloudy, with a low around 37. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Slight Chance
    Showers then
    Rain Likely

  • Sunday

    Sunday: Rain, mainly before 5pm. High near 50. Southeast wind around 5 mph becoming southwest in the afternoon. Chance of precipitation is 100%.

    High: 50 °F

    Rain

  • Sunday Night

    Sunday Night: A 30 percent chance of rain before 8pm. Mostly cloudy, with a low around 34. West wind around 10 mph.

    Low: 34 °F

    Chance Rain
    then Partly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 41. West wind around 10 mph.
Saturday
Mostly sunny, with a high near 48. North wind around 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
A chance of showers between 10pm and 2am, then rain likely after 2am. Mostly cloudy, with a low around 37. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain, mainly before 5pm. High near 50. Southeast wind around 5 mph becoming southwest in the afternoon. Chance of precipitation is 100%.
Sunday Night
A 30 percent chance of rain before 8pm. Mostly cloudy, with a low around 34. West wind around 10 mph.
Monday
Mostly sunny, with a high near 48.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Mostly sunny, with a high near 44.
Tuesday Night
Partly cloudy, with a low around 25.
Wednesday
Sunny, with a high near 43.
Wednesday Night
Mostly clear, with a low around 31.
Thursday
Mostly sunny, with a high near 54.
Thursday Night
Mostly cloudy, with a low around 39.
Friday
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:
10:01 pm EDT Apr 3, 2026
Forecast Valid:
1am EDT Apr 4, 2026-6pm EDT Apr 10, 2026
 
Forecast Discussion
 
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Additional Resources

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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