Current conditions at

Andover, Aeroflex-Andover Airport (K12N)

Lat: 41.01°NLon: 74.74°WElev: 584ft.

40°F

4°C

Humidity 51%
Wind Speed S 5 mph
Barometer 29.77 in (1009.3 mb)
Dewpoint 23°F (-5°C)
Visibility NA
Wind Chill36°F (2°C)
Last update 13 Jan 7:54 pm EST
Extended Forecast for

Hopatcong NJ

  • Tonight

    Tonight: Cloudy, with a low around 35. Southwest wind around 5 mph.

    Low: 35 °F

    Cloudy

  • Wednesday

    Wednesday: A chance of rain, mainly after 5pm.  Mostly cloudy, with a high near 45. Southwest wind around 5 mph becoming calm  in the afternoon.  Chance of precipitation is 30%.

    High: 45 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain before 1am, then rain and snow between 1am and 4am, then snow likely after 4am.  Low around 23. Light and variable wind becoming northwest 5 to 10 mph after midnight.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Rain then
    Rain/Snow

  • Thursday

    Thursday: Snow likely, mainly before 7am.  Partly sunny, with a high near 28. West wind 10 to 15 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 28 °F

    Snow Likely
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 12. Northwest wind 10 to 15 mph.

    Low: 12 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Cloudy, with a low around 35. Southwest wind around 5 mph.
Wednesday
A chance of rain, mainly after 5pm. Mostly cloudy, with a high near 45. Southwest wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 30%.
Wednesday Night
Rain before 1am, then rain and snow between 1am and 4am, then snow likely after 4am. Low around 23. Light and variable wind becoming northwest 5 to 10 mph after midnight. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Thursday
Snow likely, mainly before 7am. Partly sunny, with a high near 28. West wind 10 to 15 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday Night
Partly cloudy, with a low around 12. Northwest wind 10 to 15 mph.
Friday
Mostly sunny, with a high near 28.
Friday Night
Mostly cloudy, with a low around 22.
Saturday
Partly sunny, with a high near 38.
Saturday Night
Mostly cloudy, with a low around 20.
Sunday
Partly sunny, with a high near 28.
Sunday Night
Mostly cloudy, with a low around 15.
M.L.King Day
Partly sunny, with a high near 26.
Monday Night
Mostly cloudy, with a low around 14.
Tuesday
Partly sunny, with a high near 21.
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ABOUT THIS FORECAST

 
Point Forecast:
Hopatcong NJ
 40.96°N 74.64°W (Elev. 971 ft)
4:12 pm EST Jan 13, 2026
8pm EST Jan 13, 2026-6pm EST Jan 20, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database