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.

50°F

10°C

Humidity 89%
Wind Speed Vrbl 6 mph
Barometer 29.85 in (1010.5 mb)
Dewpoint 47°F (8°C)
Visibility NA
Wind Chill48°F (9°C)
Last update 19 Apr 1:54 am EDT
Extended Forecast for

4 Miles NE Lake Hopatcong NJ

Freeze Watch April 21, 12:00am until April 21, 09:00am
Click here for hazard details and duration
Freeze Watch

  • Overnight

    Overnight: A chance of showers, mainly after 4am. Areas of fog. Otherwise, cloudy, with a low around 44. Southeast wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Chance
    Showers and
    Areas Fog

  • Sunday

    Sunday: Showers, mainly before 3pm. High near 49. Northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 49 °F

    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 34. Northwest wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of rain and snow showers before 11am, then a slight chance of rain showers between 11am and 2pm. Mostly sunny, with a high near 45. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 45 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Patchy frost after 10pm. Otherwise, mostly clear, with a low around 26. Northwest wind around 5 mph.

    Low: 26 °F

    Patchy Frost

  • Tuesday

    Tuesday: Areas of frost before 10am. Otherwise, sunny, with a high near 50.

    High: 50 °F

    Areas Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 2am. Mostly cloudy, with a low around 37. Chance of precipitation is 30%.

    Low: 37 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 8am. Mostly cloudy, with a high near 60. Chance of precipitation is 30%.

    High: 60 °F

    Chance
    Showers then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of showers, mainly after 4am. Areas of fog. Otherwise, cloudy, with a low around 44. Southeast wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers, mainly before 3pm. High near 49. Northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Mostly clear, with a low around 34. Northwest wind around 5 mph becoming calm in the evening.
Monday
A slight chance of rain and snow showers before 11am, then a slight chance of rain showers between 11am and 2pm. Mostly sunny, with a high near 45. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday Night
Patchy frost after 10pm. Otherwise, mostly clear, with a low around 26. Northwest wind around 5 mph.
Tuesday
Areas of frost before 10am. Otherwise, sunny, with a high near 50.
Tuesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 37. Chance of precipitation is 30%.
Wednesday
A chance of showers before 8am. Mostly cloudy, with a high near 60. Chance of precipitation is 30%.
Wednesday Night
Mostly clear, with a low around 38.
Thursday
Sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 46.
Saturday
A chance of showers. Partly sunny, with a high near 62. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Lake Hopatcong NJ
 41°N 74.57°W (Elev. 1115 ft)
Last Update:
4:11 pm EDT Apr 18, 2026
Forecast Valid:
1am EDT Apr 19, 2026-6pm EDT Apr 25, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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