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

43°F

6°C

Humidity 100%
Wind Speed SW 12 G 20 mph
Barometer 29.85 in (1010.8 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 9 Jan 11:51 pm EST
Extended Forecast for

Grand Beach ME

  • Overnight

    Overnight: Mostly cloudy, with a low around 35. West wind around 15 mph, with gusts as high as 25 mph.

    Low: 35 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 44. West wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph.

    High: 44 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Rain and snow before 1am, then rain, snow, and sleet between 1am and 2am, then rain after 2am. Steady temperature around 38. East wind 5 to 10 mph. Chance of precipitation is 100%. Little or no snow and sleet accumulation expected.

    Low: 38 °F

    Wintry Mix

  • Sunday

    Sunday: Rain, snow, and sleet before 2pm, then a chance of snow between 2pm and 3pm, then a chance of rain and snow after 3pm. High near 36. Northeast wind around 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. Little or no snow and sleet accumulation expected.

    High: 36 °F

    Wintry Mix
    then Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 24. West wind around 15 mph, with gusts as high as 30 mph.

    Low: 24 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 35. West wind around 15 mph, with gusts as high as 25 mph.
Saturday
Mostly cloudy, with a high near 44. West wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Rain and snow before 1am, then rain, snow, and sleet between 1am and 2am, then rain after 2am. Steady temperature around 38. East wind 5 to 10 mph. Chance of precipitation is 100%. Little or no snow and sleet accumulation expected.
Sunday
Rain, snow, and sleet before 2pm, then a chance of snow between 2pm and 3pm, then a chance of rain and snow after 3pm. High near 36. Northeast wind around 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. Little or no snow and sleet accumulation expected.
Sunday Night
Partly cloudy, with a low around 24. West wind around 15 mph, with gusts as high as 30 mph.
Monday
Mostly sunny, with a high near 35.
Monday Night
Mostly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 41.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Mostly cloudy, with a high near 44.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
Mostly cloudy, with a high near 36.
Thursday Night
Mostly cloudy, with a low around 19.
Friday
Partly sunny, with a high near 29.
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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:
6:11 pm EST Jan 9, 2026
Forecast Valid:
12am EST Jan 10, 2026-6pm EST Jan 16, 2026
 
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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