Briefing for Late June Heat Wave

An early season heat wave will bring dangerously hot and humid conditions across most of the region beginning Sunday through Wednesday. Read More >

Current conditions at

Andover, Aeroflex-Andover Airport (K12N)

Lat: 41.01°NLon: 74.74°WElev: 584ft.

77°F

25°C

Humidity 60%
Wind Speed Vrbl 3 mph
Barometer 30.14 in (1019.7 mb)
Dewpoint 62°F (17°C)
Visibility NA
Heat Index79°F (26°C)
Last update 21 Jun 8:54 am EDT
Extended Forecast for

Swartswood NJ

Extreme Heat Warning June 22, 08:00am until June 25, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  • Today

    Today: A slight chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon.  Chance of precipitation is 20%.

    High: 88 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Mostly cloudy, with a low around 70. Southwest wind around 5 mph.

    Low: 70 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 96. Heat index values as high as 102. West wind 10 to 15 mph.

    High: 96 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 76. Calm wind.

    Low: 76 °F

    Partly Cloudy

  • Monday

    Monday: Sunny and hot, with a high near 99. Calm wind becoming northwest around 5 mph.

    High: 99 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 94. Chance of precipitation is 30%.

    High: 94 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 70. Southwest wind around 5 mph.
Sunday
Partly sunny, with a high near 96. Heat index values as high as 102. West wind 10 to 15 mph.
Sunday Night
Partly cloudy, with a low around 76. Calm wind.
Monday
Sunny and hot, with a high near 99. Calm wind becoming northwest around 5 mph.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Sunny and hot, with a high near 99.
Tuesday Night
Mostly clear, with a low around 73.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Swartswood NJ
 41.1°N 74.82°W (Elev. 669 ft)
7:45 am EDT Jun 21, 2025
9am EDT Jun 21, 2025-6pm EDT Jun 27, 2025
 
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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