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

Areas of Heavy Rainfall and Heat Early This Week

Excessive rainfall may produce locally considerable flash flooding over parts of South Texas, the western Gulf Coast, and lower Mississippi River Valley today into Thursday. Rainfall totals of 5 to 10 inches are expected. Hot temperatures may cause heat illnesses over central and northern California and the Pacific Northwest through Tuesday. Read More >

Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Partly Cloudy

72°F

22°C

Humidity 50%
Wind Speed N 9 G 18 mph
Barometer 29.77 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 15 Jun 6:45 pm EDT
Extended Forecast for

Florham Park NJ

  • Tonight

    Tonight: Clear, with a low around 55. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78. Northwest wind around 5 mph becoming west in the afternoon.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 56. Southwest wind around 5 mph becoming calm.

    Low: 56 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 81. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 62. South wind around 5 mph becoming calm.

    Low: 62 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 90. Breezy. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Chance
    Showers then
    Showers
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely then
    Chance
    Showers

  • Juneteenth

    Juneteenth: A chance of showers after 8am. Partly sunny, with a high near 80. Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers

  • Friday Night

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

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 55. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 78. Northwest wind around 5 mph becoming west in the afternoon.
Tuesday Night
Increasing clouds, with a low around 56. Southwest wind around 5 mph becoming calm.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 81. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Mostly cloudy, with a low around 62. South wind around 5 mph becoming calm.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 90. Breezy. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Juneteenth
A chance of showers after 8am. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 82.
Sunday Night
A chance of showers. Partly cloudy, with a low around 60. Chance of precipitation is 30%.
Monday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 40%.
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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 Jun 15, 2026
Forecast Valid:
7pm EDT Jun 15, 2026-6pm EDT Jun 22, 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