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.

57°F

14°C

Humidity 96%
Wind Speed Calm
Barometer 29.89 in (1011.9 mb)
Dewpoint 56°F (13°C)
Visibility NA
Last update 12 Oct 7:54 pm EDT
Extended Forecast for

Sparta NJSimilar City Names

  • Tonight

    Tonight: Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 75. Calm wind becoming south around 5 mph in the afternoon.

    High: 75 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64. Southwest wind around 5 mph.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 78. West wind around 5 mph.

    High: 78 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 52. Calm wind becoming north around 5 mph after midnight.

    Low: 52 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Showers likely after 2am. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.

    Low: 50 °F

    Partly Cloudy
    then Showers
    Likely

  • Friday

    Friday: Showers. High near 67. Chance of precipitation is 80%.

    High: 67 °F

    Showers

  • Friday Night

    Friday Night: Showers likely before 8pm. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.

    Low: 40 °F

    Showers
    Likely then
    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 54. Calm wind.
Tuesday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 75. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 64. Southwest wind around 5 mph.
Wednesday
Increasing clouds, with a high near 78. West wind around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 52. Calm wind becoming north around 5 mph after midnight.
Thursday
Sunny, with a high near 66.
Thursday Night
Showers likely after 2am. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Friday
Showers. High near 67. Chance of precipitation is 80%.
Friday Night
Showers likely before 8pm. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.
Saturday
Mostly sunny, with a high near 51.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 37.
Monday
Mostly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta NJSimilar City Names
 41.05°N 74.62°W (Elev. 600 ft)
Last Update:
4:10 pm EDT Oct 12, 2026
Forecast Valid:
8pm EDT Oct 12, 2026-6pm EDT Oct 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