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.

14°F

-10°C

Humidity 53%
Wind Speed W 9 mph
Barometer 30.01 in (1017.9 mb)
Dewpoint 0°F (-18°C)
Visibility NA
Wind Chill2°F (-17°C)
Last update 27 Jan 12:54 am EST
Extended Forecast for

Sparta NJ

Cold Weather Advisory until January 28, 10:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory until January 28, 10:00am

    NOW until 10:00am Wed

    Cold Weather Advisory

  • Overnight

    Low: 5 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 17. Wind chill values as low as -7. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 17 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 4. Wind chill values as low as -5. West wind around 5 mph.

    Low: 4 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 22. Wind chill values as low as -5. Southwest wind around 5 mph.

    High: 22 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 1. West wind around 5 mph becoming calm.

    Low: 1 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 20.

    High: 20 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -1.

    Low: -1 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 17.

    High: 17 °F

    Mostly Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 5. Wind chill values as low as -3. West wind around 5 mph, with gusts as high as 20 mph.
Tuesday
Increasing clouds, with a high near 17. Wind chill values as low as -7. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 4. Wind chill values as low as -5. West wind around 5 mph.
Wednesday
Mostly sunny, with a high near 22. Wind chill values as low as -5. Southwest wind around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 1. West wind around 5 mph becoming calm.
Thursday
Mostly sunny, with a high near 20.
Thursday Night
Partly cloudy, with a low around -1.
Friday
Mostly sunny, with a high near 17.
Friday Night
Partly cloudy, with a low around 1.
Saturday
Partly sunny, with a high near 21.
Saturday Night
A chance of snow. Cloudy, with a low around 6. Chance of precipitation is 30%.
Sunday
A chance of snow. Mostly cloudy, with a high near 25. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 13.
Monday
Mostly sunny, with a high near 30.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta NJ
 41.05°N 74.62°W (Elev. 600 ft)
Last Update:
11:14 pm EST Jan 26, 2026
Forecast Valid:
1am EST Jan 27, 2026-6pm EST Feb 2, 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