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

65°F

18°C

Humidity 76%
Wind Speed Vrbl 3 mph
Barometer 30.00 in (1015.8 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 26 Jul 7:53 am EDT
Extended Forecast for

Topsham ME

  • Today

    Today: Sunny, with a high near 77. Light east wind becoming southeast 5 to 10 mph in the afternoon.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 79. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 54. South wind around 5 mph becoming calm.

    Low: 54 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77. Light southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers after 3am. Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 74. Chance of precipitation is 60%.

    High: 74 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm, then showers after 8pm. Low around 57. Chance of precipitation is 80%.

    Low: 57 °F

    Showers

  • Thursday

    Thursday: Showers likely. Mostly cloudy, with a high near 74. Chance of precipitation is 70%.

    High: 74 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 77. Light east wind becoming southeast 5 to 10 mph in the afternoon.
Tonight
Partly cloudy, with a low around 51. Calm wind.
Monday
Sunny, with a high near 79. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 54. South wind around 5 mph becoming calm.
Tuesday
Mostly sunny, with a high near 77. Light southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
A 30 percent chance of showers after 3am. Mostly cloudy, with a low around 57.
Wednesday
A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 74. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm, then showers after 8pm. Low around 57. Chance of precipitation is 80%.
Thursday
Showers likely. Mostly cloudy, with a high near 74. Chance of precipitation is 70%.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 59.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 78.
Friday Night
Partly cloudy, with a low around 60.
Saturday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Topsham ME
 43.93°N 69.93°W (Elev. 56 ft)
Last Update:
6:10 am EDT Jul 26, 2026
Forecast Valid:
8am EDT Jul 26, 2026-6pm EDT Aug 1, 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