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

Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Current conditions at

Andover, Aeroflex-Andover Airport (K12N)

Lat: 41.01°NLon: 74.74°WElev: 584ft.

81°F

27°C

Humidity 57%
Wind Speed Vrbl 3 mph
Barometer 29.96 in (1013.8 mb)
Dewpoint 64°F (18°C)
Visibility NA
Heat Index83°F (28°C)
Last update 31 Jul 1:54 pm EDT
Extended Forecast for

Hackettstown NJ

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 84. West wind around 5 mph.

    High: 84 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 62. Southwest wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 85. Calm wind becoming south around 5 mph in the morning.

    High: 85 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 84. Light southeast wind becoming south 5 to 10 mph in the morning.

    High: 84 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 67. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Chance
    Showers then
    Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 8am. High near 81. Chance of precipitation is 80%.

    High: 81 °F

    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.

    High: 82 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 84. West wind around 5 mph.
Tonight
Partly cloudy, with a low around 62. Southwest wind around 5 mph becoming calm in the evening.
Saturday
Partly sunny, with a high near 85. Calm wind becoming south around 5 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 66. Calm wind.
Sunday
Mostly cloudy, with a high near 84. Light southeast wind becoming south 5 to 10 mph in the morning.
Sunday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 67. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers, with thunderstorms also possible after 8am. High near 81. Chance of precipitation is 80%.
Monday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Wednesday
Showers likely. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 85. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hackettstown NJ
 40.85°N 74.83°W (Elev. 594 ft)
Last Update:
2:29 pm EDT Jul 31, 2026
Forecast Valid:
2pm EDT Jul 31, 2026-6pm EDT Aug 6, 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