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.

59°F

15°C

Humidity 96%
Wind Speed Calm
Barometer 29.55 in (1000.1 mb)
Dewpoint 58°F (14°C)
Visibility NA
Last update 12 Mar 3:54 am EDT
Extended Forecast for

Lake Hopatcong NJ

  • Overnight

    Overnight: Showers likely. Cloudy, with a steady temperature around 61. West wind 10 to 15 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 61 °F

    Showers
    Likely

  • Thursday

    Thursday: Rain, snow, and sleet before noon, then a chance of rain and snow between noon and 1pm, then a chance of snow after 1pm. Temperature falling to around 38 by 11am. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow and sleet accumulation of less than one inch possible.

    High: 48 °F⇓

    Wintry Mix
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 26. Northwest wind 5 to 10 mph.

    Low: 26 °F

    Decreasing
    Clouds

  • Friday

    Friday: Increasing clouds, with a high near 43. Light southwest wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 25 mph.

    High: 43 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A slight chance of rain before 2am. Partly cloudy, with a low around 33. South wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 33 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Sunday

    Sunday: Cloudy, with a high near 46.

    High: 46 °F

    Cloudy

  • Sunday Night

    Sunday Night: Rain, mainly after 2am. Low around 39. Chance of precipitation is 80%.

    Low: 39 °F

    Chance Rain
    then Rain

Detailed Forecast

Overnight
Showers likely. Cloudy, with a steady temperature around 61. West wind 10 to 15 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain, snow, and sleet before noon, then a chance of rain and snow between noon and 1pm, then a chance of snow after 1pm. Temperature falling to around 38 by 11am. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow and sleet accumulation of less than one inch possible.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 26. Northwest wind 5 to 10 mph.
Friday
Increasing clouds, with a high near 43. Light southwest wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 25 mph.
Friday Night
A slight chance of rain before 2am. Partly cloudy, with a low around 33. South wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 47.
Saturday Night
Mostly cloudy, with a low around 29.
Sunday
Cloudy, with a high near 46.
Sunday Night
Rain, mainly after 2am. Low around 39. Chance of precipitation is 80%.
Monday
Rain. High near 61. Chance of precipitation is 90%.
Monday Night
Rain and snow likely. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 37. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 20.
Wednesday
Mostly sunny, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Hopatcong NJ
 40.96°N 74.61°W (Elev. 984 ft)
Last Update:
4:09 am EDT Mar 12, 2026
Forecast Valid:
4am EDT Mar 12, 2026-6pm EDT Mar 18, 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