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.

Overcast

69°F

21°C

Humidity 78%
Wind Speed S 10 G 21 mph
Barometer 29.87 in (1011.4 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 17 Aug 12:51 pm EDT
Extended Forecast for

Yarmouth Junction ME

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 72. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 72 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 20 percent chance of showers after 5am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 61. South wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: A chance of showers before 4pm, then a slight chance of showers after 5pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 78. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 78 °F

    Chance
    Showers and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Patchy fog between 9pm and midnight. Otherwise, mostly cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 81. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 72. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
A 20 percent chance of showers after 5am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 61. South wind around 5 mph becoming calm in the evening.
Tuesday
A chance of showers before 4pm, then a slight chance of showers after 5pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 78. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 30%.
Tuesday Night
Patchy fog between 9pm and midnight. Otherwise, mostly cloudy, with a low around 60. Calm wind.
Wednesday
Mostly sunny, with a high near 81. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 57.
Friday
Sunny, with a high near 80.
Friday Night
Partly cloudy, with a low around 56.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Mostly cloudy, with a low around 56.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 76.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Yarmouth Junction ME
 43.8°N 70.17°W (Elev. 69 ft)
Last Update:
12:27 pm EDT Aug 17, 2026
Forecast Valid:
1pm EDT Aug 17, 2026-6pm EDT Aug 23, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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