National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Portland, Portland International Jetport (KPWM)

Lat: 43.64°NLon: 70.3°WElev: 72ft.

Overcast

64°F

18°C

Humidity 96%
Wind Speed SE 7 mph
Barometer 30.17 in (1021.5 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 12 Jul 10:51 pm EDT
Extended Forecast for

Yarmouth ME

  • Tonight

    Tonight: Areas of dense fog. Otherwise, cloudy, with a low around 61. South wind around 5 mph.

    Low: 61 °F

    Areas Dense
    Fog

  • Sunday

    Sunday: Areas of dense fog before 11am. Otherwise, mostly cloudy, with a high near 73. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 73 °F

    Areas Dense
    Fog then
    Mostly Cloudy

  • Sunday Night

    Sunday Night: Areas of fog after 10pm. Otherwise, mostly cloudy, with a low around 61. South wind around 5 mph.

    Low: 61 °F

    Areas Fog

  • Monday

    Monday: A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 76. South wind 5 to 10 mph.

    High: 76 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 63. South wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 66 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

Detailed Forecast

Tonight
Areas of dense fog. Otherwise, cloudy, with a low around 61. South wind around 5 mph.
Sunday
Areas of dense fog before 11am. Otherwise, mostly cloudy, with a high near 73. South wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Areas of fog after 10pm. Otherwise, mostly cloudy, with a low around 61. South wind around 5 mph.
Monday
A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 76. South wind 5 to 10 mph.
Monday Night
A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 63. South wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 87.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
Partly cloudy, with a low around 67.
Thursday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 84.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 67.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 80.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 63.
Saturday
Partly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Yarmouth ME
 43.8°N 70.17°W (Elev. 69 ft)
Last Update:
8:14 pm EDT Jul 12, 2025
Forecast Valid:
11pm EDT Jul 12, 2025-6pm EDT Jul 19, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation