National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Andover, Aeroflex-Andover Airport (K12N)

Lat: 41.01°NLon: 74.74°WElev: 584ft.

48°F

9°C

Humidity 74%
Wind Speed Calm
Barometer 30.08 in (1019.2 mb)
Dewpoint 40°F (4°C)
Visibility NA
Last update 6 Oct 6:54 pm EDT
Extended Forecast for

Sparta NJ

Frost Advisory October 6, 11:00pm until October 7, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Patchy frost after 2am. Otherwise, clear, with a low around 39. Northwest wind around 5 mph becoming calm in the evening.

    Low: 39 °F

    Clear then
    Patchy Frost

  • Wednesday

    Wednesday: Patchy frost before 9am. Otherwise, sunny, with a high near 68. Southwest wind 5 to 10 mph.

    High: 68 °F

    Patchy Frost
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51. South wind 5 to 10 mph.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 74. West wind around 5 mph.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy frost after 2am. Otherwise, clear, with a low around 39. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Patchy frost before 9am. Otherwise, sunny, with a high near 68. Southwest wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 51. South wind 5 to 10 mph.
Thursday
Sunny, with a high near 74. West wind around 5 mph.
Thursday Night
Mostly clear, with a low around 48. Calm wind.
Friday
Sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 70.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Mostly sunny, with a high near 70.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.
Columbus Day
A chance of showers. Mostly cloudy, with a high near 69. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 54.
Tuesday
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:
4:09 pm EDT Oct 6, 2026
Forecast Valid:
7pm EDT Oct 6, 2026-6pm EDT Oct 13, 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