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

38°F

3°C

Humidity 52%
Wind Speed NW 9 mph
Barometer 30.41 in (1029.7 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 12 Apr 3:51 am EDT
Extended Forecast for

Portland International Jetport ME

  • Today

    Today: Increasing clouds, with a high near 51. Northwest wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.

    High: 51 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Rain, mainly after 1am. Low around 39. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Chance Rain
    then Rain

  • Monday

    Monday: Rain likely, mainly before 7am, then a chance of showers after 10am. Cloudy, with a high near 61. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 61 °F

    Rain Likely

  • Monday Night

    Monday Night: A 30 percent chance of showers before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 50. West wind 5 to 10 mph.

    Low: 50 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 65. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 65 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 66.

    High: 66 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers. Mostly cloudy, with a high near 58.

    High: 58 °F

    Chance
    Showers

Detailed Forecast

Today
Increasing clouds, with a high near 51. Northwest wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Tonight
Rain, mainly after 1am. Low around 39. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain likely, mainly before 7am, then a chance of showers after 10am. Cloudy, with a high near 61. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
A 30 percent chance of showers before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 50. West wind 5 to 10 mph.
Tuesday
Partly sunny, with a high near 65. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Tuesday Night
A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 50.
Wednesday
Mostly cloudy, with a high near 66.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 46.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 58.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 46.
Friday
Partly sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portland International Jetport ME
 43.65°N 70.3°W (Elev. 52 ft)
Last Update:
2:16 am EDT Apr 12, 2026
Forecast Valid:
4am EDT Apr 12, 2026-6pm EDT Apr 18, 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