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.

72°F

22°C

Humidity 66%
Wind Speed SW 9 mph
Barometer 29.95 in (1013.9 mb)
Dewpoint 60°F (16°C)
Visibility NA
Last update 13 Oct 12:54 pm EDT
Extended Forecast for

Sparta NJ

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 76. Southwest wind around 5 mph.

    High: 76 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 63. Southwest wind around 5 mph.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 79. West wind around 5 mph.

    High: 79 °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. Calm wind.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm after 2am. Low around 50. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Mostly Cloudy
    then Showers

  • Friday

    Friday: Showers. High near 69. Chance of precipitation is 80%.

    High: 69 °F

    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 76. Southwest wind around 5 mph.
Tonight
Mostly clear, with a low around 63. Southwest wind around 5 mph.
Wednesday
Increasing clouds, with a high near 79. 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. Calm wind.
Thursday Night
Showers and possibly a thunderstorm after 2am. Low around 50. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers. High near 69. Chance of precipitation is 80%.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 50.
Saturday Night
Mostly clear, with a low around 33.
Sunday
Sunny, with a high near 55.
Sunday Night
Mostly clear, with a low around 36.
Monday
Sunny, with a high near 62.
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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:
9:58 am EDT Oct 13, 2026
Forecast Valid:
1pm EDT Oct 13, 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