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.

Fair

66°F

19°C

Humidity 90%
Wind Speed Calm
Barometer 29.97 in (1014.8 mb)
Dewpoint 63°F (17°C)
Visibility 8.00 mi
Last update 24 Jun 2:53 am EDT
Extended Forecast for

Topsham ME

Heat Advisory June 24, 11:00am until June 24, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Patchy fog. Otherwise, partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Patchy Fog

  • Tuesday

    Tuesday: Sunny and hot, with a high near 95. Heat index values as high as 105. Light southwest wind becoming west 5 to 10 mph in the morning.

    High: 95 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 71. West wind around 5 mph.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 88. North wind around 5 mph becoming west in the afternoon.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. North wind around 5 mph.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

  • Friday Night

    Friday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.

    Low: 55 °F

    Showers
    Likely

Detailed Forecast

Overnight
Patchy fog. Otherwise, partly cloudy, with a low around 65. Calm wind.
Tuesday
Sunny and hot, with a high near 95. Heat index values as high as 105. Light southwest wind becoming west 5 to 10 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 71. West wind around 5 mph.
Wednesday
Sunny, with a high near 88. North wind around 5 mph becoming west in the afternoon.
Wednesday Night
Mostly clear, with a low around 58. North wind around 5 mph.
Thursday
Partly sunny, with a high near 74.
Thursday Night
Mostly cloudy, with a low around 55.
Friday
Partly sunny, with a high near 74.
Friday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.
Saturday
Showers likely. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 57.
Sunday
Mostly cloudy, with a high near 75.
Sunday Night
Mostly cloudy, with a low around 60.
Monday
Partly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Topsham ME
 43.95°N 69.92°W (Elev. 82 ft)
Last Update:
11:04 pm EDT Jun 23, 2025
Forecast Valid:
3am EDT Jun 24, 2025-6pm EDT Jun 30, 2025
 
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