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

Dangerous Heat and Humidity Today through Saturday

Dangerously hot and humid conditions are expected to build starting today through Saturday. Additionally, there will be a threat of thunderstorms on some of the days. View this briefing for details. Read More >

Hazardous Weather Conditions

Current conditions at

Andover, Aeroflex-Andover Airport (K12N)

Lat: 41.01°NLon: 74.74°WElev: 584ft.

77°F

25°C

Humidity 94%
Wind Speed Calm
Barometer 29.97 in (1013.7 mb)
Dewpoint 75°F (24°C)
Visibility NA
Heat Index78°F (26°C)
Last update 2 Jul 12:54 am EDT
Extended Forecast for

Lafayette NJ

Extreme Heat Warning July 2, 01:06am until July 4, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 2, 01:06am until July 4, 08:00pm

    NOW until 8:00pm Sat

    Extreme Heat Warning

  • Overnight

    Low: 73 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny and hot, with a high near 101. Heat index values as high as 107. West wind 5 to 10 mph.

    High: 101 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 76. West wind around 5 mph becoming calm.

    Low: 76 °F

    Clear

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm. Increasing clouds and hot, with a high near 99. Heat index values as high as 107. Light southwest wind becoming west 5 to 10 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 99 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Chance
    T-storms then
    Mostly Clear

  • Independence Day

    Independence Day: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 96 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 67. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 60%.

    High: 91 °F

    Mostly Sunny
    then Showers
    Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 73. Calm wind becoming southwest around 5 mph.
Thursday
Sunny and hot, with a high near 101. Heat index values as high as 107. West wind 5 to 10 mph.
Thursday Night
Clear, with a low around 76. West wind around 5 mph becoming calm.
Friday
A chance of showers and thunderstorms after 2pm. Increasing clouds and hot, with a high near 99. Heat index values as high as 107. Light southwest wind becoming west 5 to 10 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Independence Day
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Sunday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Monday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 85. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Mostly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lafayette NJ
 41.08°N 74.67°W (Elev. 600 ft)
Last Update:
6:06 pm EDT Jul 1, 2026
Forecast Valid:
1am EDT Jul 2, 2026-6pm EDT Jul 8, 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