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.

48°F

9°C

Humidity 56%
Wind Speed Vrbl 3 mph
Barometer 30.02 in (1017.3 mb)
Dewpoint 33°F (1°C)
Visibility NA
Last update 20 Mar 10:54 am EDT
Extended Forecast for

4 Miles NE Lake Hopatcong NJ

  • Today

    Today: A chance of showers, mainly after 5pm. Partly sunny, with a high near 57. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 57 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers likely, mainly before midnight. Mostly cloudy, with a low around 40. Southwest wind 10 to 15 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 52. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 52 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 36. Northwest wind around 5 mph becoming south after midnight.

    Low: 36 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers after 2pm. Mostly cloudy, with a high near 59. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly after 8pm. Mostly cloudy, with a low around 39. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers before 2pm. Partly sunny, with a high near 46. Chance of precipitation is 30%.

    High: 46 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers, mainly after 5pm. Partly sunny, with a high near 57. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Showers likely, mainly before midnight. Mostly cloudy, with a low around 40. Southwest wind 10 to 15 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Sunny, with a high near 52. Northwest wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 36. Northwest wind around 5 mph becoming south after midnight.
Sunday
A chance of showers after 2pm. Mostly cloudy, with a high near 59. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Showers likely, mainly after 8pm. Mostly cloudy, with a low around 39. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A chance of showers before 2pm. Partly sunny, with a high near 46. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
Mostly sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Partly sunny, with a high near 45.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Thursday
A chance of rain and snow. Partly sunny, with a high near 51. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Lake Hopatcong NJ
 41°N 74.54°W (Elev. 1237 ft)
Last Update:
4:09 am EDT Mar 20, 2026
Forecast Valid:
11am EDT Mar 20, 2026-6pm EDT Mar 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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