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

40°F

4°C

Humidity 93%
Wind Speed NE 9 mph
Barometer 29.99 in (1015.7 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 31 Mar 3:51 pm EDT
Extended Forecast for

Yarmouth ME

  • This Afternoon

    This Afternoon: A 30 percent chance of rain, mainly before 5pm. Cloudy, with a high near 43. Northeast wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 43 °F

    Chance Rain

  • Tonight

    Tonight: Rain, mainly before 5am. Patchy fog after 11pm. Low around 34. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 34 °F

    Rain and
    Patchy Fog
    then Rain
    Likely and
    Patchy Fog

  • Wednesday

    Wednesday: A 20 percent chance of rain before 9am. Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 54. Calm wind becoming north around 5 mph in the afternoon.

    High: 54 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 30. Northeast wind around 5 mph.

    Low: 30 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of snow after 11am, mixing with sleet after 4pm. Mostly cloudy, with a high near 39. East wind around 5 mph. Chance of precipitation is 40%.

    High: 39 °F

    Chance Snow
    then Chance
    Snow/Sleet

  • Thursday Night

    Thursday Night: A chance of snow and sleet before 9pm, then a chance of rain and sleet between 9pm and 10pm, then rain likely after 10pm. Cloudy, with a low around 31. Chance of precipitation is 60%.

    Low: 31 °F

    Chance Wintry
    Mix then Rain
    Likely

  • Friday

    Friday: A 30 percent chance of rain before 9am. Mostly cloudy, with a high near 56.

    High: 56 °F

    Chance Rain
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of rain, mainly before 5pm. Cloudy, with a high near 43. Northeast wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, mainly before 5am. Patchy fog after 11pm. Low around 34. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
A 20 percent chance of rain before 9am. Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 54. Calm wind becoming north around 5 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 30. Northeast wind around 5 mph.
Thursday
A chance of snow after 11am, mixing with sleet after 4pm. Mostly cloudy, with a high near 39. East wind around 5 mph. Chance of precipitation is 40%.
Thursday Night
A chance of snow and sleet before 9pm, then a chance of rain and sleet between 9pm and 10pm, then rain likely after 10pm. Cloudy, with a low around 31. Chance of precipitation is 60%.
Friday
A 30 percent chance of rain before 9am. Mostly cloudy, with a high near 56.
Friday Night
Mostly cloudy, with a low around 41.
Saturday
Partly sunny, with a high near 57.
Saturday Night
A 40 percent chance of rain after 8pm. Mostly cloudy, with a low around 36.
Sunday
Rain likely. Cloudy, with a high near 56. Chance of precipitation is 60%.
Sunday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 36.
Monday
Partly sunny, with a high near 48.
Monday Night
Mostly clear, with a low around 28.
Tuesday
Partly sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Yarmouth ME
 43.81°N 70.2°W (Elev. 52 ft)
Last Update:
2:27 pm EDT Mar 31, 2026
Forecast Valid:
4pm EDT Mar 31, 2026-6pm EDT Apr 7, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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