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 90%
Wind Speed Calm
Barometer 30.03 in (1017.0 mb)
Dewpoint 60°F (16°C)
Visibility 1.50 mi
Last update 27 Jun 3:53 am EDT
Extended Forecast for

Topsham ME

Dense Fog Advisory June 27, 04:45am until June 27, 08:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory June 27, 04:45am until June 27, 08:00am

    NOW until 8:00am Sat

    Dense Fog Advisory

  • Today

    High: 79 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 10pm. Otherwise, increasing clouds, with a low around 55. Calm wind.

    Low: 55 °F

    Patchy Fog

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 81. Calm wind becoming south around 5 mph in the afternoon.

    High: 81 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 84. Calm wind becoming south around 5 mph in the afternoon.

    High: 84 °F

    Sunny

  • Monday Night

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

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 84.

    High: 84 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers between 10pm and 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    Showers

Detailed Forecast

Today
Areas of dense fog before 10am. Otherwise, partly sunny, with a high near 79. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Patchy fog after 10pm. Otherwise, increasing clouds, with a low around 55. Calm wind.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 81. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 57. Calm wind.
Monday
Sunny, with a high near 84. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Partly sunny, with a high near 84.
Tuesday Night
A chance of showers between 10pm and 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 89.
Wednesday Night
A chance of showers between 10pm and 2am. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Thursday
Mostly sunny and hot, with a high near 95.
Thursday Night
Partly cloudy, with a low around 68.
Friday
A 30 percent chance of showers. Mostly sunny and hot, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Topsham ME
 43.95°N 69.92°W (Elev. 82 ft)
Last Update:
2:39 am EDT Jun 27, 2026
Forecast Valid:
4am EDT Jun 27, 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