National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Wiscasset Airport (KIWI)

Lat: 43.96°NLon: 69.71°WElev: 53ft.

Overcast

65°F

18°C

Humidity 43%
Wind Speed SE 6 mph
Barometer 30.29 in (1025.7 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 18 May 9:53 am EDT
Extended Forecast for

Fort Popham ME

  • Today

    Today: A 20 percent chance of showers before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 56. Southeast wind around 5 mph.

    High: 56 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 49. Southeast wind around 5 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 7am. Otherwise, partly sunny, with a high near 73. Southwest wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 73 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 59. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 59 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers after 4pm. Mostly sunny, with a high near 72. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 72 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers before 7pm. Partly cloudy, with a low around 49.

    Low: 49 °F

    Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of showers before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 56. Southeast wind around 5 mph.
Tonight
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 49. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 73. Southwest wind 5 to 15 mph, with gusts as high as 30 mph.
Tuesday Night
Partly cloudy, with a low around 59. Southwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday
A 30 percent chance of showers after 4pm. Mostly sunny, with a high near 72. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Wednesday Night
A 30 percent chance of showers before 7pm. Partly cloudy, with a low around 49.
Thursday
Sunny, with a high near 58.
Thursday Night
Mostly clear, with a low around 46.
Friday
Mostly sunny, with a high near 56.
Friday Night
Mostly cloudy, with a low around 46.
Saturday
A 40 percent chance of showers. Mostly cloudy, with a high near 53.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 46.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fort Popham ME
 43.75°N 69.79°W (Elev. 3 ft)
Last Update:
9:11 am EDT May 18, 2026
Forecast Valid:
10am EDT May 18, 2026-6pm EDT May 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation