Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight. Read More >

Current conditions at

Andover, Aeroflex-Andover Airport (K12N)

Lat: 41.01°NLon: 74.74°WElev: 584ft.

74°F

23°C

Humidity 82%
Wind Speed NW 6 mph
Barometer 29.91 in (1012.1 mb)
Dewpoint 68°F (20°C)
Visibility NA
Last update 4 Sep 7:54 am EDT
Extended Forecast for

Hopatcong NJ

  • Today

    Today: Mostly sunny, with a high near 81. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 77. North wind around 5 mph.

    High: 77 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 73. Northeast wind around 5 mph.

    High: 73 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 81. Calm wind becoming northwest around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 59. Calm wind.
Saturday
Mostly sunny, with a high near 77. North wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 56. Calm wind.
Sunday
Mostly sunny, with a high near 73. Northeast wind around 5 mph.
Sunday Night
Mostly clear, with a low around 53.
Labor Day
Sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Partly sunny, with a high near 73.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Hopatcong NJ
 40.94°N 74.64°W (Elev. 971 ft)
4:08 am EDT Sep 4, 2026
8am EDT Sep 4, 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