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.

Mostly Cloudy

59°F

15°C

Humidity 81%
Wind Speed Calm
Barometer 30.17 in (1021.6 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 16 Aug 6:51 am EDT
Extended Forecast for

Cumberland Center MESimilar City Names

  • Today

    Today: Mostly sunny, with a high near 77. Light and variable wind becoming southeast 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 77 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 5am. Increasing clouds, with a low around 60. South wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 60 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Showers likely before 11am, then showers likely and possibly a thunderstorm between 11am and 3pm, then a chance of showers and thunderstorms after 3pm. Cloudy, with a high near 73. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 73 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 30 percent chance of showers between 9pm and 1am. Mostly cloudy, with a low around 59. Southeast wind around 5 mph becoming calm.

    Low: 59 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 81. North wind around 5 mph.

    High: 81 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers before 5pm. Partly sunny, with a high near 81.

    High: 81 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 77. Light and variable wind becoming southeast 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
A 30 percent chance of showers, mainly after 5am. Increasing clouds, with a low around 60. South wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers likely before 11am, then showers likely and possibly a thunderstorm between 11am and 3pm, then a chance of showers and thunderstorms after 3pm. Cloudy, with a high near 73. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
A 30 percent chance of showers between 9pm and 1am. Mostly cloudy, with a low around 59. Southeast wind around 5 mph becoming calm.
Tuesday
Partly sunny, with a high near 81. North wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Mostly sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
A 30 percent chance of showers before 5pm. Partly sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 54.
Friday
Sunny, with a high near 80.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Mostly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cumberland Center MESimilar City Names
 43.8°N 70.26°W (Elev. 157 ft)
Last Update:
2:19 am EDT Aug 16, 2026
Forecast Valid:
7am EDT Aug 16, 2026-6pm EDT Aug 22, 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