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.

50°F

10°C

Humidity 93%
Wind Speed Calm
Barometer 29.81 in (1009.9 mb)
Dewpoint 48°F (9°C)
Visibility NA
Last update 5 Apr 11:54 am EDT
Extended Forecast for

Sparta NJ

  • This Afternoon

    This Afternoon: Showers, mainly before 3pm. High near 60. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 60 °F

    Showers

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 35. Northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 35 °F

    Gradual
    Clearing

  • Monday

    Monday: Mostly sunny, with a high near 53. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 53 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of rain showers before 5am, then a slight chance of rain and snow showers. Partly cloudy, with a low around 35. West wind around 5 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 35 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Tuesday

    Tuesday: Mostly sunny, with a high near 46. West wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 46 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers, mainly before 3pm. High near 60. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 35. Northwest wind around 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 53. Northwest wind around 10 mph, with gusts as high as 20 mph.
Monday Night
A chance of rain showers before 5am, then a slight chance of rain and snow showers. Partly cloudy, with a low around 35. West wind around 5 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tuesday
Mostly sunny, with a high near 46. West wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 25.
Wednesday
Sunny, with a high near 51.
Wednesday Night
Mostly clear, with a low around 31.
Thursday
Mostly sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 41.
Friday
Mostly sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 47.
Saturday
Partly sunny, with a high near 70.
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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:
5:48 am EDT Apr 5, 2026
Forecast Valid:
12pm EDT Apr 5, 2026-6pm EDT Apr 11, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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