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

Hazardous Weather Conditions

Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Clear

82°F

28°C

Humidity 58%
Wind Speed S 5 mph
Barometer 30.10 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 18 May 9:45 pm EDT
Extended Forecast for

Parsippany NJ

Heat Advisory May 18, 10:45pm until May 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory May 18, 10:45pm until May 19, 08:00pm

    NOW until 8:00pm Tue

    Heat Advisory

  • Tonight

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 95. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 95 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 75. Southwest wind around 5 mph.

    Low: 75 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm after 2pm. High near 92. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Mostly Sunny
    then Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 2am. Low around 54. North wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Showers then
    Slight Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers after 2pm. Partly sunny, with a high near 69. Chance of precipitation is 30%.

    High: 69 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 70. Southwest wind around 5 mph.
Tuesday
Mostly sunny, with a high near 95. West wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 75. Southwest wind around 5 mph.
Wednesday
Showers and possibly a thunderstorm after 2pm. High near 92. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 2am. Low around 54. North wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Partly sunny, with a high near 72.
Thursday Night
Partly cloudy, with a low around 50.
Friday
A chance of showers after 2pm. Partly sunny, with a high near 69. Chance of precipitation is 30%.
Friday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Saturday
Showers. High near 63. Chance of precipitation is 80%.
Saturday Night
Showers likely. Cloudy, with a low around 51. Chance of precipitation is 70%.
Sunday
A chance of showers. Mostly cloudy, with a high near 69. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 73. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Parsippany NJ
 40.87°N 74.42°W (Elev. 302 ft)
Last Update:
4:08 pm EDT May 18, 2026
Forecast Valid:
10pm EDT May 18, 2026-6pm EDT May 25, 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