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.

Fair

48°F

9°C

Humidity 63%
Wind Speed NE 7 mph
Barometer 30.06 in (1017.8 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 11 Mar 2:51 am EDT
Extended Forecast for

Falmouth ME

  • Overnight

    Overnight: Partly cloudy, with a low around 37. Northeast wind around 5 mph.

    Low: 37 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of rain after noon. Patchy fog between noon and 1pm. Otherwise, mostly cloudy, with a high near 39. East wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 39 °F

    Chance Rain
    and Patchy
    Fog

  • Wednesday Night

    Wednesday Night: Rain likely, with thunderstorms also possible after 11pm. Areas of fog. Otherwise, cloudy, with a low around 36. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 36 °F

    Rain Likely
    and Areas Fog

  • Thursday

    Thursday: A 30 percent chance of rain. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 48. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 48 °F

    Chance Rain
    and Patchy
    Fog

  • Thursday Night

    Thursday Night: A chance of snow between 7pm and 8pm. Partly cloudy, with a low around 22. West wind around 5 mph. Chance of precipitation is 30%.

    Low: 22 °F

    Chance Snow
    then Mostly
    Clear

  • Friday

    Friday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Rain and snow likely before 11pm, then rain likely between 11pm and midnight, then snow likely after midnight. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.

    Low: 28 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Saturday

    Saturday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 37. Northeast wind around 5 mph.
Wednesday
A 50 percent chance of rain after noon. Patchy fog between noon and 1pm. Otherwise, mostly cloudy, with a high near 39. East wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain likely, with thunderstorms also possible after 11pm. Areas of fog. Otherwise, cloudy, with a low around 36. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A 30 percent chance of rain. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 48. West wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
A chance of snow between 7pm and 8pm. Partly cloudy, with a low around 22. West wind around 5 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 40.
Friday Night
Rain and snow likely before 11pm, then rain likely between 11pm and midnight, then snow likely after midnight. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.
Saturday
Partly sunny, with a high near 44.
Saturday Night
Partly cloudy, with a low around 21.
Sunday
Mostly cloudy, with a high near 40.
Sunday Night
Rain and snow likely. Cloudy, with a low around 28. Chance of precipitation is 60%.
Monday
Rain. High near 53. Chance of precipitation is 90%.
Monday Night
Rain likely. Mostly cloudy, with a low around 26. Chance of precipitation is 60%.
Tuesday
Sunny, with a high near 37.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Falmouth ME
 43.73°N 70.25°W (Elev. 102 ft)
Last Update:
2:28 am EDT Mar 11, 2026
Forecast Valid:
3am EDT Mar 11, 2026-6pm EDT Mar 17, 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