National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Andover, Aeroflex-Andover Airport (K12N)

Lat: 41.01°NLon: 74.74°WElev: 584ft.

31°F

-1°C

Humidity 43%
Wind Speed NA
Barometer 29.65 in (1005.0 mb)
Dewpoint 11°F (-12°C)
Visibility NA
Last update 30 Dec 12:54 pm EST
Extended Forecast for

Sparta NJ

Wind Advisory December 30, 01:51pm until December 30, 04:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory December 30, 01:51pm until December 30, 04:00pm

    NOW until 4:00pm Tue

    Wind Advisory

  • This Afternoon

    High: 29 °F

    Mostly Cloudy

  • Tonight

    Tonight: A slight chance of snow showers after 4am. Mostly cloudy, with a low around 20. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 20 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 30. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 30 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of snow showers, mainly after 1am. Mostly cloudy, with a low around 18. Southwest wind around 5 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 18 °F

    Chance Snow
    Showers

  • New Year's Day

    New Year's Day: A slight chance of snow showers before 1pm. Mostly sunny, with a high near 26. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 26 °F

    Slight Chance
    Snow Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 12.

    Low: 12 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 29. West wind around 15 mph, with gusts as high as 40 mph.
Tonight
A slight chance of snow showers after 4am. Mostly cloudy, with a low around 20. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Wednesday
Mostly cloudy, with a high near 30. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
A chance of snow showers, mainly after 1am. Mostly cloudy, with a low around 18. Southwest wind around 5 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
New Year's Day
A slight chance of snow showers before 1pm. Mostly sunny, with a high near 26. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 12.
Friday
Partly sunny, with a high near 28.
Friday Night
Partly cloudy, with a low around 16.
Saturday
Partly sunny, with a high near 30.
Saturday Night
Mostly cloudy, with a low around 14.
Sunday
Mostly sunny, with a high near 30.
Sunday Night
Partly cloudy, with a low around 18.
Monday
A chance of snow. Mostly cloudy, with a high near 33. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sparta NJ
 41.05°N 74.62°W (Elev. 600 ft)
Last Update:
4:10 am EST Dec 30, 2025
Forecast Valid:
1pm EST Dec 30, 2025-6pm EST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

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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