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.

Fair

72°F

22°C

Humidity 91%
Wind Speed Calm
Barometer 29.99 in (1015.3 mb)
Dewpoint 69°F (21°C)
Visibility 8.00 mi
Last update 8 Aug 1:53 am EDT
Extended Forecast for

Fort Popham ME

  • Overnight

    Overnight: Scattered showers and thunderstorms, mainly after 5am. Patchy fog. Otherwise, cloudy, with a low around 66. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Scattered
    Showers and
    Patchy Fog

  • Saturday

    Saturday: Scattered showers and thunderstorms, mainly after 4pm. Areas of fog. Otherwise, partly sunny, with a high near 72. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Scattered
    T-storms and
    Areas Fog

  • Saturday Night

    Saturday Night: Scattered showers and thunderstorms before 11pm, then isolated showers between 11pm and midnight. Patchy fog. Otherwise, mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Scattered
    T-storms and
    Patchy Fog
    then Patchy
    Fog

  • Sunday

    Sunday: Mostly sunny, with a high near 75. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 75 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 66. Northwest wind around 5 mph.

    Low: 66 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

Detailed Forecast

Overnight
Scattered showers and thunderstorms, mainly after 5am. Patchy fog. Otherwise, cloudy, with a low around 66. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Scattered showers and thunderstorms, mainly after 4pm. Areas of fog. Otherwise, partly sunny, with a high near 72. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Scattered showers and thunderstorms before 11pm, then isolated showers between 11pm and midnight. Patchy fog. Otherwise, mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly sunny, with a high near 75. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 66. Northwest wind around 5 mph.
Monday
Sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Mostly sunny, with a high near 72.
Wednesday Night
Partly cloudy, with a low around 63.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 70.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 62.
Friday
Sunny, with a high near 71.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fort Popham ME
 43.75°N 69.79°W (Elev. 3 ft)
Last Update:
2:37 am EDT Aug 8, 2026
Forecast Valid:
2am EDT Aug 8, 2026-6pm EDT Aug 14, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation