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

60°F

16°C

Humidity 72%
Wind Speed SW 6 mph
Barometer 29.94 in (1013.8 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 4 Nov 10:51 pm EST
Extended Forecast for

Grand Beach ME

  • Tonight

    Tonight: Mostly clear, with a low around 55. Southwest wind around 5 mph.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of rain before 1pm, then a chance of showers between 1pm and 4pm. Partly sunny, with a high near 66. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 66 °F

    Partly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers, mainly after 5am. Mostly cloudy, with a low around 59. Southwest wind 5 to 10 mph.

    Low: 59 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A 50 percent chance of rain after 10am. Mostly cloudy, with a high near 66. Southwest wind around 5 mph.

    High: 66 °F

    Chance Rain

  • Friday Night

    Friday Night: Rain. Low around 53. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 80%.

    Low: 53 °F

    Rain

  • Saturday

    Saturday: Rain likely before 10am, then a chance of rain after 1pm. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.

    High: 60 °F

    Rain Likely
    then Chance
    Rain

  • Saturday Night

    Saturday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain

  • Sunday

    Sunday: A 40 percent chance of rain before noon. Partly sunny, with a high near 56.

    High: 56 °F

    Chance Rain
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 55. Southwest wind around 5 mph.
Thursday
A slight chance of rain before 1pm, then a chance of showers between 1pm and 4pm. Partly sunny, with a high near 66. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Thursday Night
A 30 percent chance of showers, mainly after 5am. Mostly cloudy, with a low around 59. Southwest wind 5 to 10 mph.
Friday
A 50 percent chance of rain after 10am. Mostly cloudy, with a high near 66. Southwest wind around 5 mph.
Friday Night
Rain. Low around 53. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 80%.
Saturday
Rain likely before 10am, then a chance of rain after 1pm. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 45.
Sunday
A 40 percent chance of rain before noon. Partly sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 54.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Mostly sunny, with a high near 56.
Tuesday Night
Partly cloudy, with a low around 37.
Veterans Day
Sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grand Beach ME
 43.52°N 70.36°W (Elev. 0 ft)
Last Update:
10:43 pm EST Nov 4, 2026
Forecast Valid:
11pm EST Nov 4, 2026-6pm EST Nov 11, 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