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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Newcastle ME

  • Overnight

    Overnight: Patchy drizzle. Areas of dense fog. Otherwise, cloudy, with a low around 61. South wind around 5 mph becoming calm.

    Low: 61 °F

    Patchy
    Drizzle and
    Areas Dense
    Fog

  • Sunday

    Sunday: Patchy drizzle before 8am. Areas of dense fog. Otherwise, mostly cloudy, with a high near 72. South wind 5 to 10 mph.

    High: 72 °F

    Patchy
    Drizzle and
    Areas Dense
    Fog then
    Patchy Fog

  • Sunday Night

    Sunday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 61. South wind around 5 mph.

    Low: 61 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 78. South wind around 5 mph.

    High: 78 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy drizzle. Areas of dense fog. Otherwise, cloudy, with a low around 61. South wind around 5 mph becoming calm.
Sunday
Patchy drizzle before 8am. Areas of dense fog. Otherwise, mostly cloudy, with a high near 72. South wind 5 to 10 mph.
Sunday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 61. South wind around 5 mph.
Monday
Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 78. South wind around 5 mph.
Monday Night
Mostly cloudy, with a low around 64. Calm wind.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
Mostly sunny, with a high near 87.
Wednesday Night
Partly cloudy, with a low around 67.
Thursday
Partly sunny, with a high near 86.
Thursday Night
Mostly cloudy, with a low around 68.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 85.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 64.
Saturday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newcastle ME
 44.03°N 69.53°W (Elev. 0 ft)
Last Update:
1:39 am EDT Jul 13, 2025
Forecast Valid:
2am EDT Jul 13, 2025-6pm EDT Jul 19, 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