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

Andover, Aeroflex-Andover Airport (K12N)

Lat: 41.01°NLon: 74.74°WElev: 584ft.

27°F

-3°C

Humidity 63%
Wind Speed Vrbl 3 mph
Barometer 29.74 in (1008.2 mb)
Dewpoint 16°F (-9°C)
Visibility NA
Last update 31 Dec 4:54 pm EST
Extended Forecast for

Sparta NJ

  • This Afternoon

    This Afternoon: A slight chance of snow showers. Mostly cloudy, with a high near 30. Southwest wind around 5 mph. Chance of precipitation is 20%.

    High: 30 °F

    Slight Chance
    Snow Showers

  • Tonight

    Tonight: Snow showers likely, mainly after 4am. Cloudy, with a low around 19. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 19 °F

    Snow Showers
    Likely

  • New Year's Day

    New Year's Day: Snow showers likely before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 26. Northwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 26 °F

    Snow Showers
    Likely then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 13. West wind around 5 mph.

    Low: 13 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 28. West wind around 5 mph.

    High: 28 °F

    Mostly Sunny

  • Friday Night

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

    Low: 16 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A slight chance of snow showers. Mostly cloudy, with a high near 30. Southwest wind around 5 mph. Chance of precipitation is 20%.
Tonight
Snow showers likely, mainly after 4am. Cloudy, with a low around 19. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
New Year's Day
Snow showers likely before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 26. Northwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday Night
Partly cloudy, with a low around 13. West wind around 5 mph.
Friday
Mostly sunny, with a high near 28. West wind around 5 mph.
Friday Night
Partly cloudy, with a low around 16.
Saturday
Partly sunny, with a high near 31.
Saturday Night
Mostly cloudy, with a low around 19.
Sunday
Mostly sunny, with a high near 33.
Sunday Night
Partly cloudy, with a low around 15.
Monday
Partly sunny, with a high near 30.
Monday Night
Mostly cloudy, with a low around 21.
Tuesday
Partly sunny, with a high near 38.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
A chance of rain. Mostly cloudy, with a high near 42.
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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:
4:12 pm EST Dec 31, 2025
Forecast Valid:
5pm EST Dec 31, 2025-6pm EST Jan 7, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation