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.

47°F

8°C

Humidity 44%
Wind Speed Calm
Barometer 30.05 in (1018.0 mb)
Dewpoint 26°F (-3°C)
Visibility NA
Last update 6 Apr 7:54 pm EDT
Extended Forecast for

Sparta NJ

  • Tonight

    Tonight: A slight chance of rain showers before midnight, then a slight chance of rain and snow showers between midnight and 2am, then a slight chance of snow showers after 2am. Mostly cloudy, with a low around 35. West wind around 5 mph becoming calm after midnight. Chance of precipitation is 20%.

    Low: 35 °F

    Slight Chance
    Showers then
    Slight Chance
    Rain/Snow

  • Tuesday

    Tuesday: A slight chance of showers after 2pm. Mostly sunny, with a high near 49. Northwest wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 49 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 25. North wind 5 to 10 mph, with gusts as high as 25 mph.

    Low: 25 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 51. Northeast wind around 5 mph becoming southeast in the afternoon.

    High: 51 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 29. South wind around 5 mph becoming calm.

    Low: 29 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of rain showers before midnight, then a slight chance of rain and snow showers between midnight and 2am, then a slight chance of snow showers after 2am. Mostly cloudy, with a low around 35. West wind around 5 mph becoming calm after midnight. Chance of precipitation is 20%.
Tuesday
A slight chance of showers after 2pm. Mostly sunny, with a high near 49. Northwest wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 25. North wind 5 to 10 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 51. Northeast wind around 5 mph becoming southeast in the afternoon.
Wednesday Night
Mostly clear, with a low around 29. South wind around 5 mph becoming calm.
Thursday
Mostly sunny, with a high near 57.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Mostly clear, with a low around 40.
Sunday
Mostly sunny, with a high near 63.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Partly sunny, with a high near 75.
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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:
5:33 pm EDT Apr 6, 2026
Forecast Valid:
8pm EDT Apr 6, 2026-6pm EDT Apr 13, 2026
 
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