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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Partly Cloudy

68°F

20°C

Humidity 94%
Wind Speed N 5 mph
Barometer 29.98 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 27 Aug 8:45 pm EDT
Extended Forecast for

Florham Park NJ

Flood Watch until August 28, 04:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until August 28, 04:00am

    NOW until 4:00am Fri

    Flood Watch

  • Tonight

    Low: 67 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Partly sunny, with a high near 84. Calm wind.

    High: 84 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 84. Calm wind becoming north around 5 mph.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 84. Calm wind.
Friday Night
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 84. Calm wind becoming north around 5 mph.
Saturday Night
Mostly clear, with a low around 63. Calm wind.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 68.
Monday
Mostly sunny, with a high near 86.
Monday Night
Mostly cloudy, with a low around 70.
Tuesday
A chance of showers after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 69. Chance of precipitation is 50%.
Wednesday
A chance of showers. Partly sunny, with a high near 85. Chance of precipitation is 50%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
Thursday
A chance of showers. Partly sunny, with a high near 84. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Florham Park NJ
 40.78°N 74.41°W (Elev. 207 ft)
Last Update:
4:08 pm EDT Aug 27, 2026
Forecast Valid:
9pm EDT Aug 27, 2026-6pm EDT Sep 3, 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