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.

A Few Clouds

48°F

9°C

Humidity 58%
Wind Speed W 9 G 18 mph
Barometer 29.94 in (1013.7 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 6 Oct 8:51 am EDT
Extended Forecast for

Yarmouth ME

Frost Advisory October 7, 12:00am until October 7, 08:00am
Click here for hazard details and duration
Frost Advisory

  • Today

    Today: Sunny, with a high near 57. Northwest wind around 15 mph, with gusts as high as 30 mph.

    High: 57 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 45. Northwest wind around 5 mph becoming calm in the evening.

    Low: 45 °F

    Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 60. Light southwest wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

    High: 60 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 49. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 49 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 70. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 57. Northwest wind around 15 mph, with gusts as high as 30 mph.
Tonight
Clear, with a low around 45. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 60. Light southwest wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 49. Southwest wind around 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 70. Southwest wind around 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 45.
Friday
Sunny, with a high near 64.
Friday Night
Mostly clear, with a low around 43.
Saturday
Sunny, with a high near 61.
Saturday Night
Mostly clear, with a low around 43.
Sunday
Mostly sunny, with a high near 64.
Sunday Night
Partly cloudy, with a low around 51.
Columbus Day
Partly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Yarmouth ME
 43.78°N 70.17°W (Elev. 13 ft)
Last Update:
6:54 am EDT Oct 6, 2026
Forecast Valid:
9am EDT Oct 6, 2026-6pm EDT Oct 12, 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