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

57°F

14°C

Humidity 96%
Wind Speed Calm
Barometer 29.63 in (1003.4 mb)
Dewpoint 56°F (13°C)
Visibility 9.00 mi
Last update 6 Jun 11:51 pm EDT
Extended Forecast for

Portland International Jetport ME

  • Overnight

    Overnight: A 30 percent chance of showers before 2am. Partly cloudy, with a low around 57. Southwest wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 57 °F

    Chance
    Showers

  • Sunday

    Sunday: Scattered showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then scattered showers and thunderstorms after 5pm. Increasing clouds, with a high near 79. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Isolated
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Scattered showers, mainly before 7pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 52. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Scattered
    Showers then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 76. North wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. Southwest wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after 9pm. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Chance
    Showers

Detailed Forecast

Overnight
A 30 percent chance of showers before 2am. Partly cloudy, with a low around 57. Southwest wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Scattered showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then scattered showers and thunderstorms after 5pm. Increasing clouds, with a high near 79. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Scattered showers, mainly before 7pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 52. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Sunny, with a high near 76. North wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 54. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
A 30 percent chance of showers after 9pm. Mostly cloudy, with a low around 59.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 85.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 60.
Saturday
Mostly sunny, with a high near 88.
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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:
5:56 pm EDT Jun 6, 2026
Forecast Valid:
1am EDT Jun 7, 2026-6pm EDT Jun 13, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation