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

37°F

3°C

Humidity 86%
Wind Speed W 8 mph
Barometer 30.05 in (1017.7 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 20 Apr 7:51 am EDT
Extended Forecast for

Mariner ME

  • Today

    Today: A 20 percent chance of showers after 2pm. Increasing clouds, with a high near 46. West wind around 10 mph.

    High: 46 °F

    Sunny then
    Slight Chance
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 33. North wind around 10 mph.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 42. North wind 5 to 10 mph becoming south in the afternoon.

    High: 42 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 37. South wind around 10 mph.

    Low: 37 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers between 10am and 1pm. Mostly cloudy, with a high near 43. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 43 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers between 8am and 2pm. Partly sunny, with a high near 48. Chance of precipitation is 30%.

    High: 48 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of showers after 2pm. Increasing clouds, with a high near 46. West wind around 10 mph.
Tonight
Partly cloudy, with a low around 33. North wind around 10 mph.
Tuesday
Sunny, with a high near 42. North wind 5 to 10 mph becoming south in the afternoon.
Tuesday Night
Partly cloudy, with a low around 37. South wind around 10 mph.
Wednesday
A chance of showers between 10am and 1pm. Mostly cloudy, with a high near 43. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 39.
Thursday
A chance of showers between 8am and 2pm. Partly sunny, with a high near 48. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Mostly sunny, with a high near 48.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 48.
Saturday Night
Mostly cloudy, with a low around 41.
Sunday
Partly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mariner ME
 43.69°N 70.14°W (Elev. 0 ft)
Last Update:
6:06 am EDT Apr 20, 2026
Forecast Valid:
8am EDT Apr 20, 2026-6pm EDT Apr 26, 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