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

65°F

18°C

Humidity 78%
Wind Speed W 6 mph
Barometer 29.88 in (1011.7 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 20 Aug 1:51 am EDT
Extended Forecast for

Mariner ME

  • Overnight

    Overnight: Partly cloudy, with a low around 63. West wind around 5 mph.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: Increasing clouds, with a high near 71. Northwest wind around 5 mph becoming south in the afternoon.

    High: 71 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Cloudy, then gradually becoming partly cloudy, with a low around 62. South wind around 5 mph becoming north after midnight.

    Low: 62 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 71. North wind 5 to 10 mph becoming southeast in the afternoon.

    High: 71 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61. Southeast wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers after 10am. Mostly cloudy, with a high near 67.

    High: 67 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    Showers

  • Sunday

    Sunday: A 40 percent chance of showers. Mostly cloudy, with a high near 69.

    High: 69 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 63. West wind around 5 mph.
Thursday
Increasing clouds, with a high near 71. Northwest wind around 5 mph becoming south in the afternoon.
Thursday Night
Cloudy, then gradually becoming partly cloudy, with a low around 62. South wind around 5 mph becoming north after midnight.
Friday
Sunny, with a high near 71. North wind 5 to 10 mph becoming southeast in the afternoon.
Friday Night
Partly cloudy, with a low around 61. Southeast wind around 5 mph becoming calm in the evening.
Saturday
A 40 percent chance of showers after 10am. Mostly cloudy, with a high near 67.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 62.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 69.
Sunday Night
A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 63.
Monday
Mostly sunny, with a high near 72.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Mostly sunny, with a high near 70.
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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:
11:24 pm EDT Aug 19, 2026
Forecast Valid:
2am EDT Aug 20, 2026-6pm EDT Aug 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