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

Hazardous Weather Conditions

Current conditions at

Wiscasset Airport (KIWI)

Lat: 43.96°NLon: 69.71°WElev: 53ft.

Fog/Mist

63°F

17°C

Humidity 93%
Wind Speed S 3 mph
Barometer 30.04 in (1017.4 mb)
Dewpoint 61°F (16°C)
Visibility 0.75 mi
Last update 26 Jun 10:53 pm EDT
Extended Forecast for

Topsham ME

Dense Fog Advisory until June 27, 08:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until June 27, 08:00am

    NOW until 8:00am Sat

    Dense Fog Advisory

  • Tonight

    Low: 55 °F

    Areas Dense
    Fog

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 3pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 78. Calm wind becoming south around 5 mph in the afternoon.

    High: 78 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Patchy Fog

  • Sunday

    Sunday: A 30 percent chance of showers after 2pm. Partly sunny, with a high near 78. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 78 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Chance
    Showers then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

Detailed Forecast

Tonight
Areas of dense fog. Otherwise, mostly cloudy, with a low around 55. Calm wind.
Saturday
A 20 percent chance of showers and thunderstorms after 3pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 78. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 55. Calm wind.
Sunday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 78. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 57. Calm wind.
Monday
Sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 61.
Wednesday
A 30 percent chance of showers before 9am. Partly sunny, with a high near 85.
Wednesday Night
Partly cloudy, with a low around 64.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 83.
Thursday Night
Partly cloudy, with a low around 66.
Friday
A 30 percent chance of showers. Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Topsham ME
 43.93°N 69.95°W (Elev. 39 ft)
Last Update:
10:19 pm EDT Jun 26, 2026
Forecast Valid:
11pm EDT Jun 26, 2026-6pm EDT Jul 3, 2026
 
Forecast Discussion
 
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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