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.

A Few Clouds

42°F

6°C

Humidity 53%
Wind Speed SW 8 mph
Barometer 29.91 in (1012.8 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 13 Jan 12:51 pm EST
Extended Forecast for

Yarmouth Junction ME

  • This Afternoon

    This Afternoon: Increasing clouds, with a high near 40. South wind around 5 mph.

    High: 40 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A slight chance of snow before 2am, then a slight chance of rain between 2am and 4am. Cloudy, with a low around 31. South wind around 5 mph. Chance of precipitation is 20%.

    Low: 31 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly after 5pm. Mostly cloudy, with a high near 44. South wind around 5 mph.

    High: 44 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 7pm. Cloudy, with a low around 31. Calm wind. Chance of precipitation is 70%.

    Low: 31 °F

    Rain Likely

  • Thursday

    Thursday: A 50 percent chance of rain before noon. Mostly cloudy, with a high near 40. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 40 °F

    Chance Rain
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 8.

    Low: 8 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 28.

    High: 28 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Increasing clouds, with a high near 40. South wind around 5 mph.
Tonight
A slight chance of snow before 2am, then a slight chance of rain between 2am and 4am. Cloudy, with a low around 31. South wind around 5 mph. Chance of precipitation is 20%.
Wednesday
A 30 percent chance of rain, mainly after 5pm. Mostly cloudy, with a high near 44. South wind around 5 mph.
Wednesday Night
Rain likely, mainly after 7pm. Cloudy, with a low around 31. Calm wind. Chance of precipitation is 70%.
Thursday
A 50 percent chance of rain before noon. Mostly cloudy, with a high near 40. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 8.
Friday
Sunny, with a high near 28.
Friday Night
Mostly cloudy, with a low around 19.
Saturday
Mostly sunny, with a high near 38.
Saturday Night
Mostly cloudy, with a low around 21.
Sunday
Partly sunny, with a high near 33.
Sunday Night
Partly cloudy, with a low around 14.
M.L.King Day
Mostly sunny, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Yarmouth Junction ME
 43.81°N 70.2°W (Elev. 52 ft)
Last Update:
12:02 pm EST Jan 13, 2026
Forecast Valid:
1pm EST Jan 13, 2026-6pm EST Jan 19, 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