
Dangerous Heat and Humidity Wednesday through Saturday
Dangerously hot and humid conditions are expected to build starting Wednesday 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.72°F
22°C
| Humidity | 79% |
| Wind Speed | Calm |
| Barometer | 30.14 in (1019.8 mb) |
| Dewpoint | 65°F (18°C) |
| Visibility | NA |
| Last update | 30 Jun 7:54 am EDT |
Extended Forecast for
Hackettstown NJ
Extreme Heat Warning July 1, 12:00pm until July 4, 08:00pm
Today

High: 89 °F
Mostly Sunny
Tonight

Low: 67 °F
Slight Chance
T-stormsWednesday
High: 94 °F
Sunny then
Slight Chance
T-stormsWednesday Night

Low: 73 °F
Mostly Clear
Thursday

High: 100 °F
Hot
Thursday Night

Low: 74 °F
Clear
Friday
High: 100 °F
Sunny then
Chance
T-stormsFriday Night
Low: 72 °F
Chance
T-storms then
Partly CloudyIndependence Day
High: 96 °F
Mostly Sunny
then Chance
T-storms
Detailed Forecast
Today
Mostly sunny, with a high near 89. Southwest wind 5 to 10 mph.
Tonight
A slight chance of showers and thunderstorms before 3am. Partly cloudy, with a low around 67. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.
Wednesday
A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 94. Heat index values as high as 105. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 73. Southwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny and hot, with a high near 100. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Clear, with a low around 74.
Friday
A chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 100. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72. Chance of precipitation is 30%.
Independence Day
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 93. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 40%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Hackettstown NJ
40.85°N 74.83°W (Elev. 594 ft)
40.85°N 74.83°W (Elev. 594 ft)
4:08 am EDT Jun 30, 2026
7am EDT Jun 30, 2026-6pm EDT Jul 6, 2026



