Multiple rounds of storms through Friday

A briefing on the multiple rounds of storms through Friday, September 4. Read More >

Current conditions at

Andover, Aeroflex-Andover Airport (K12N)

Lat: 41.01°NLon: 74.74°WElev: 584ft.

82°F

28°C

Humidity 72%
Wind Speed Calm
Barometer 29.90 in (1011.7 mb)
Dewpoint 72°F (22°C)
Visibility NA
Heat Index87°F (31°C)
Last update 3 Sep 5:54 pm EDT
Extended Forecast for

Sparta NJ

  • This Afternoon

    This Afternoon: A slight chance of showers and thunderstorms.  Partly sunny, with a high near 85. Calm wind.  Chance of precipitation is 20%.

    High: 85 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly between 9pm and 4am.  Mostly cloudy, with a low around 67. Calm wind.  Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms, mainly between 2pm and 3pm.  Mostly sunny, with a high near 81. Calm wind becoming northwest around 5 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 77. Calm wind becoming north around 5 mph in the morning.

    High: 77 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 75.

    High: 75 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms. Partly sunny, with a high near 85. Calm wind. Chance of precipitation is 20%.
Tonight
A chance of showers and thunderstorms, mainly between 9pm and 4am. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers and thunderstorms, mainly between 2pm and 3pm. Mostly sunny, with a high near 81. Calm wind becoming northwest around 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Partly cloudy, with a low around 58. Calm wind.
Saturday
Mostly sunny, with a high near 77. Calm wind becoming north around 5 mph in the morning.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Mostly sunny, with a high near 72.
Sunday Night
Mostly clear, with a low around 52.
Labor Day
Sunny, with a high near 75.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Partly sunny, with a high near 76.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta NJ
 41.03°N 74.65°W (Elev. 784 ft)
4:08 pm EDT Sep 3, 2026
5pm EDT Sep 3, 2026-6pm EDT Sep 10, 2026
 
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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