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Tropical Storm Bertha in the Gulf; Severe Weather in the East on Tuesday

Tropical Storm Bertha could bring tropical storm conditions to portions of the Florida Panhandle and Alabama coast through Wednesday, where a Tropical Storm Watch and Storm Surge Watch is in effect. Numerous severe thunderstorms with heavy rainfall are expected from the Ohio Valley into the Mid-Atlantic and Northeast Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Caldwell, Essex County Airport (KCDW)

Lat: 40.88°NLon: 74.28°WElev: 171ft.

Fair

72°F

22°C

Humidity 61%
Wind Speed Calm
Barometer 29.97 in (1015.4 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 20 Jul 10:53 pm EDT
Extended Forecast for

Boonton NJ

Flood Watch July 21, 06:00am until July 22, 02:00am
Click here for hazard details and duration
Flood Watch

  • Tonight

    Tonight: Mostly cloudy, with a low around 64. South wind around 5 mph.

    Low: 64 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm, mainly before 5pm, then showers and thunderstorms likely after 5pm. High near 81. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    High: 81 °F

    Showers
    Likely then
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 68. Southwest wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 68 °F

    T-storms then
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 8am. Partly sunny, with a high near 83. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of thunderstorms before 8pm. Partly cloudy, with a low around 59. Northwest wind around 5 mph. Chance of precipitation is 30%.

    Low: 59 °F

    Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 64. South wind around 5 mph.
Tuesday
Showers and possibly a thunderstorm, mainly before 5pm, then showers and thunderstorms likely after 5pm. High near 81. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Tuesday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 68. Southwest wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Wednesday
A chance of showers, with thunderstorms also possible after 8am. Partly sunny, with a high near 83. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 59. Northwest wind around 5 mph. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 62.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 67.
Monday
A chance of showers. Mostly sunny, with a high near 86. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Boonton NJ
 40.89°N 74.42°W (Elev. 318 ft)
Last Update:
4:08 pm EDT Jul 20, 2026
Forecast Valid:
11pm EDT Jul 20, 2026-6pm EDT Jul 27, 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