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

53°F

12°C

Humidity 66%
Wind Speed SW 6 mph
Barometer 29.80 in (1009.0 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 5 May 2:53 am EDT
Extended Forecast for

Topsham ME

  • Overnight

    Overnight: Mostly clear, with a low around 47. Southwest wind around 5 mph.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 65. South wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 65 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers between 2am and 5am. Mostly cloudy, with a low around 50. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Rain likely, mainly after 3pm. Mostly cloudy, with a high near 62. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 62 °F

    Partly Sunny
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: Rain, mainly before 5am. Low around 46. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    Low: 46 °F

    Rain

  • Thursday

    Thursday: A 30 percent chance of showers before 8am. Mostly sunny, with a high near 63.

    High: 63 °F

    Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 47. Southwest wind around 5 mph.
Tuesday
Mostly sunny, with a high near 65. South wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday Night
A 20 percent chance of showers between 2am and 5am. Mostly cloudy, with a low around 50. South wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Rain likely, mainly after 3pm. Mostly cloudy, with a high near 62. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Wednesday Night
Rain, mainly before 5am. Low around 46. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Thursday
A 30 percent chance of showers before 8am. Mostly sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 41.
Friday
Mostly sunny, with a high near 59.
Friday Night
Mostly clear, with a low around 39.
Saturday
Partly sunny, with a high near 57.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 43.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 63.
Sunday Night
Mostly cloudy, with a low around 45.
Monday
A 40 percent chance of showers. Mostly cloudy, with a high near 60.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Topsham ME
 43.93°N 69.95°W (Elev. 39 ft)
Last Update:
2:43 am EDT May 5, 2026
Forecast Valid:
3am EDT May 5, 2026-6pm EDT May 11, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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