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.

37°F

3°C

Humidity 93%
Wind Speed NE 9 mph
Barometer 29.52 in (1000.1 mb)
Dewpoint 35°F (2°C)
Visibility NA
Wind Chill30°F (-1°C)
Last update 13 Nov 3:54 am EST
Extended Forecast for

Sparta NJ

  • Overnight

    Overnight: Rain. Low around 33. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Rain

  • Friday

    Friday: Rain and snow, becoming all rain after 8am. High near 42. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 42 °F

    Rain/Snow
    then Rain

  • Friday Night

    Friday Night: A chance of rain before 9pm, then a chance of snow between 9pm and 1am. Cloudy, with a low around 28. Northwest wind around 10 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 28 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Saturday

    Saturday: Partly sunny, with a high near 44. Northwest wind 10 to 15 mph.

    High: 44 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31. Northwest wind 5 to 10 mph.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

Detailed Forecast

Overnight
Rain. Low around 33. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain and snow, becoming all rain after 8am. High near 42. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Friday Night
A chance of rain before 9pm, then a chance of snow between 9pm and 1am. Cloudy, with a low around 28. Northwest wind around 10 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Saturday
Partly sunny, with a high near 44. Northwest wind 10 to 15 mph.
Saturday Night
Partly cloudy, with a low around 31. Northwest wind 5 to 10 mph.
Sunday
Partly sunny, with a high near 46.
Sunday Night
Partly cloudy, with a low around 32.
Monday
Mostly sunny, with a high near 48.
Monday Night
Mostly clear, with a low around 29.
Tuesday
Sunny, with a high near 53.
Tuesday Night
Mostly clear, with a low around 32.
Wednesday
Sunny, with a high near 58.
Wednesday Night
Mostly clear, with a low around 33.
Thursday
Sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sparta NJ
 41.03°N 74.65°W (Elev. 784 ft)
Last Update:
10:53 pm EST Nov 12, 2026
Forecast Valid:
4am EST Nov 13, 2026-6pm EST Nov 19, 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