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Hazardous Weather Conditions

Current conditions at

Wiscasset Airport (KIWI)

Lat: 43.96°NLon: 69.71°WElev: 53ft.

Mostly Cloudy

39°F

4°C

Humidity 45%
Wind Speed S 9 mph
Barometer 30.51 in (1033.3 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 15 Mar 1:53 pm EDT
Extended Forecast for

Newcastle ME

Flood Watch March 16, 02:00pm until March 17, 02:00pm
Wind Advisory March 16, 08:00pm until March 17, 08:00am
Click here for hazard details and duration
Flood Watch
Wind Advisory

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 41. South wind around 5 mph.

    High: 41 °F

    Partly Sunny

  • Tonight

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

    Low: 31 °F

    Mostly Cloudy

  • Monday

    Monday: Rain, with thunderstorms also possible after 2pm. High near 51. Southeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 51 °F

    Rain

  • Monday Night

    Monday Night: Rain. Low around 42. Breezy, with a south wind 20 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 100%.

    Low: 42 °F

    Rain and
    Breezy

  • Tuesday

    Tuesday: Showers likely, mainly before 7am. Partly sunny, with a high near 50. Southwest wind around 15 mph, with gusts as high as 35 mph. Chance of precipitation is 60%.

    High: 50 °F

    Showers
    Likely then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 35.

    High: 35 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 41.

    High: 41 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Partly sunny, with a high near 41. South wind around 5 mph.
Tonight
Mostly cloudy, with a low around 31. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Rain, with thunderstorms also possible after 2pm. High near 51. Southeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Monday Night
Rain. Low around 42. Breezy, with a south wind 20 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 100%.
Tuesday
Showers likely, mainly before 7am. Partly sunny, with a high near 50. Southwest wind around 15 mph, with gusts as high as 35 mph. Chance of precipitation is 60%.
Tuesday Night
Partly cloudy, with a low around 14.
Wednesday
Sunny, with a high near 35.
Wednesday Night
Mostly cloudy, with a low around 22.
Thursday
Mostly cloudy, with a high near 41.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
Partly sunny, with a high near 45.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 43. Chance of precipitation is 50%.
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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:
3:09 am EDT Mar 15, 2026
Forecast Valid:
2pm EDT Mar 15, 2026-6pm EDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation