Current conditions at

Portland, Portland International Jetport (KPWM)

Lat: 43.64°NLon: 70.3°WElev: 72ft.

Mostly Cloudy

68°F

20°C

Humidity 76%
Wind Speed W 5 mph
Barometer 29.78 in (1008.5 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 12 Aug 11:51 pm EDT
Extended Forecast for

Portland ME

  • Overnight

    Overnight: A 40 percent chance of showers, mainly after 2am.  Mostly cloudy, with a low around 63. West wind around 5 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 63 °F

    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Increasing clouds, with a high near 74. Calm wind becoming south around 5 mph in the afternoon.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers, mainly before 8pm.  Mostly cloudy, then gradually becoming clear, with a low around 61. Northwest wind around 5 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 61 °F

    Chance
    Showers then
    Clear

  • Friday

    Friday: Sunny, with a high near 77. Northwest wind 5 to 10 mph.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. Northwest wind around 5 mph.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of showers.  Mostly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    Showers

Detailed Forecast

Overnight
A 40 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 63. West wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Increasing clouds, with a high near 74. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 30 percent chance of showers, mainly before 8pm. Mostly cloudy, then gradually becoming clear, with a low around 61. Northwest wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
Sunny, with a high near 77. Northwest wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 59. Northwest wind around 5 mph.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Mostly sunny, with a high near 77.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 61.
Monday
A 40 percent chance of showers. Partly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Portland ME
 43.66°N 70.27°W (Elev. 7 ft)
7:16 pm EDT Aug 12, 2026
12am EDT Aug 13, 2026-6pm EDT Aug 19, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database