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.

48°F

9°C

Humidity 63%
Wind Speed Calm
Barometer 29.93 in (1013.6 mb)
Dewpoint 36°F (2°C)
Visibility NA
Last update 10 Nov 9:54 pm EST
Extended Forecast for

Sparta NJ

  • Tonight

    Tonight: Clear, with a low around 38. West wind around 5 mph.

    Low: 38 °F

    Clear

  • Veterans Day

    Veterans Day: Increasing clouds, with a high near 61. Calm wind becoming northwest around 5 mph.

    High: 61 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Rain likely after 1am. Cloudy, with a low around 42. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Cloudy then
    Rain Likely

  • Thursday

    Thursday: Rain. High near 55. Calm wind becoming east around 5 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 55 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely. Mostly cloudy, with a low around 36. Calm wind becoming north around 5 mph after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 36 °F

    Rain Likely

  • Friday

    Friday: Rain likely, possibly mixed with snow, becoming all rain after 1pm. Cloudy, with a high near 45. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 45 °F

    Rain/Snow
    Likely

  • Friday Night

    Friday Night: A chance of rain before 1am, then a chance of snow. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.

    Low: 29 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Saturday

    Saturday: Mostly cloudy, with a high near 45.

    High: 45 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 38. West wind around 5 mph.
Veterans Day
Increasing clouds, with a high near 61. Calm wind becoming northwest around 5 mph.
Wednesday Night
Rain likely after 1am. Cloudy, with a low around 42. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain. High near 55. Calm wind becoming east around 5 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday Night
Rain likely. Mostly cloudy, with a low around 36. Calm wind becoming north around 5 mph after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain likely, possibly mixed with snow, becoming all rain after 1pm. Cloudy, with a high near 45. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A chance of rain before 1am, then a chance of snow. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.
Saturday
Mostly cloudy, with a high near 45.
Saturday Night
Mostly cloudy, with a low around 30.
Sunday
Mostly sunny, with a high near 48.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Mostly sunny, with a high near 51.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Sunny, with a high near 51.
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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:
4:07 pm EST Nov 10, 2026
Forecast Valid:
10pm EST Nov 10, 2026-6pm EST Nov 17, 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