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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 43.66°N 70.27°W (Text-Only)
NWS Forecast for: Portland ME
Issued by: National Weather Service Gray/Portland, ME
Last Update: 2:38 pm EDT Jun 29, 2026		Print

  • Overnight

    Overnight: Partly cloudy, with a low around 60. Southwest wind around 5 mph.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 79. Light southwest wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 79 °F

    Partly Sunny

  • Tuesday
    Night

    Tuesday Night: Scattered showers and thunderstorms. Cloudy, then gradually becoming partly cloudy, with a low around 64. Southwest wind 5 to 10 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Increasing clouds, with a high near 89. Heat index values as high as 97. Southwest wind 5 to 10 mph.

    High: 89 °F

    Increasing
    Clouds

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 70. Southwest wind around 5 mph.

    Low: 70 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny and hot, with a high near 90.

    High: 90 °F

    Hot

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy



    • Overnight: Partly cloudy, with a low around 60. Southwest wind around 5 mph.

    Tuesday: Partly sunny, with a high near 79. Light southwest wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    Tuesday Night: Scattered showers and thunderstorms. Cloudy, then gradually becoming partly cloudy, with a low around 64. Southwest wind 5 to 10 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Wednesday: Increasing clouds, with a high near 89. Heat index values as high as 97. Southwest wind 5 to 10 mph.

    Wednesday Night: Partly cloudy, with a low around 70. Southwest wind around 5 mph.

    Thursday: Sunny and hot, with a high near 90.

    Thursday Night: Mostly clear, with a low around 73.

    Friday: Mostly sunny and hot, with a high near 96.

    Friday Night: Partly cloudy, with a low around 69.

    Independence Day: A 40 percent chance of showers after 1pm. Partly sunny and hot, with a high near 90.

    Saturday Night: Partly cloudy, with a low around 66.

    Sunday: Mostly sunny, with a high near 85.

    Sunday Night: Partly cloudy, with a low around 63.

    Monday: Partly sunny, with a high near 81.


    Portland ME
     43.66°N 70.27°W (Elev. 7 ft)

    Visit your local NWS office at: https://www.weather.gov/gyx/