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

50°F

10°C

Humidity 52%
Wind Speed SW 5 mph
Barometer 29.99 in (1015.4 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 9 Mar 9:53 am EDT
Extended Forecast for

South Newcastle ME

  • Today

    Today: Mostly sunny, with a high near 56. South wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 56 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 31. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 31 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 65. Calm wind becoming south around 5 mph in the afternoon.

    High: 65 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 31. Calm wind becoming northeast around 5 mph.

    Low: 31 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Rain likely, mainly after 11am. Cloudy, with a high near 45. East wind 5 to 10 mph. Chance of precipitation is 70%.

    High: 45 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain. Low around 35. Chance of precipitation is 80%.

    Low: 35 °F

    Rain

  • Thursday

    Thursday: Rain likely before 5pm, then a chance of rain and snow. Cloudy, with a high near 49. Chance of precipitation is 60%.

    High: 49 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A 40 percent chance of snow before 11pm. Mostly cloudy, with a low around 19.

    Low: 19 °F

    Chance Snow
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 56. South wind 5 to 15 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around 31. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 65. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Increasing clouds, with a low around 31. Calm wind becoming northeast around 5 mph.
Wednesday
Rain likely, mainly after 11am. Cloudy, with a high near 45. East wind 5 to 10 mph. Chance of precipitation is 70%.
Wednesday Night
Rain. Low around 35. Chance of precipitation is 80%.
Thursday
Rain likely before 5pm, then a chance of rain and snow. Cloudy, with a high near 49. Chance of precipitation is 60%.
Thursday Night
A 40 percent chance of snow before 11pm. Mostly cloudy, with a low around 19.
Friday
Mostly sunny, with a high near 39.
Friday Night
A chance of snow between 7pm and 11pm, then rain and snow likely. Mostly cloudy, with a low around 25. Chance of precipitation is 70%.
Saturday
A chance of rain and snow. Partly sunny, with a high near 42. Chance of precipitation is 50%.
Saturday Night
Partly cloudy, with a low around 19.
Sunday
A 30 percent chance of snow. Partly sunny, with a high near 41.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Newcastle ME
 43.99°N 69.6°W (Elev. 62 ft)
Last Update:
6:51 am EDT Mar 9, 2026
Forecast Valid:
10am EDT Mar 9, 2026-6pm EDT Mar 15, 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