National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Andover, Aeroflex-Andover Airport (K12N)

Lat: 41.01°NLon: 74.74°WElev: 584ft.

65°F

18°C

Humidity 93%
Wind Speed Calm
Barometer 29.98 in (1014.6 mb)
Dewpoint 63°F (17°C)
Visibility NA
Last update 28 Aug 4:54 am EDT
Extended Forecast for

Hopatcong NJSimilar City Names

  • Today

    Today: Patchy fog before 8am. Otherwise, partly sunny, with a high near 80. Calm wind becoming north around 5 mph.

    High: 80 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 54. Calm wind becoming north around 5 mph.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 79. Calm wind.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Clear

  • Sunday

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

    High: 81 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers before 11pm, then a slight chance of showers and thunderstorms between 11pm and 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 20%.

    Low: 64 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 50%.

    High: 82 °F

    Mostly Cloudy
    then Chance
    T-storms

Detailed Forecast

Today
Patchy fog before 8am. Otherwise, partly sunny, with a high near 80. Calm wind becoming north around 5 mph.
Tonight
Partly cloudy, with a low around 54. Calm wind becoming north around 5 mph.
Saturday
Sunny, with a high near 79. Calm wind.
Saturday Night
Mostly clear, with a low around 57. Calm wind.
Sunday
Mostly sunny, with a high near 81. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
A slight chance of showers before 11pm, then a slight chance of showers and thunderstorms between 11pm and 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 20%.
Monday
Partly sunny, with a high near 82.
Monday Night
Mostly cloudy, with a low around 65.
Tuesday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
Wednesday
Showers likely. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Thursday
Partly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Hopatcong NJSimilar City Names
 40.97°N 74.67°W (Elev. 1030 ft)
Last Update:
4:09 am EDT Aug 28, 2026
Forecast Valid:
5am EDT Aug 28, 2026-6pm EDT Sep 3, 2026
 
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