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.

Partly Cloudy

31°C

88°F

Humidity 62%
Wind Speed SW 9 km/h
Barometer 30.03 in
Dewpoint 23°C (73°F)
Visibility 16 km
Heat Index36°C (96°F)
Last update 15 Jul 5:45 pm EDT
Extended Forecast for

Mendham NJ

Flood Watch July 16, 03:00pm until July 17, 03:00am
Click here for hazard details and duration
Flood Watch

  • This Afternoon

    This Afternoon: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 29. South wind around 10 km/h. Chance of precipitation is 20%.

    High: 29 °C

    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 22. Calm wind.

    Low: 22 °C

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, mainly after 4pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 32. South wind 5 to 10 km/h. Chance of precipitation is 30%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    High: 32 °C

    Mostly Sunny
    then Heavy
    Rain

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly between 7pm and 8pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 22. Southwest wind around 10 km/h. Chance of precipitation is 60%. New rainfall amounts between 1 and 2 cm possible.

    Low: 22 °C

    Heavy Rain
    then Chance
    Showers

  • Thursday

    Thursday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 32. West wind around 10 km/h. Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible.

    High: 32 °C

    Chance
    T-storms then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely before 8pm. Partly cloudy, with a low around 23. Chance of precipitation is 60%. New precipitation amounts of less than 1 mm possible.

    Low: 23 °C

    Showers
    Likely then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 29.

    High: 29 °C

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 18.

    Low: 18 °C

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 29.

    High: 29 °C

    Mostly Sunny

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 29. South wind around 10 km/h. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 22. Calm wind.
Wednesday
A chance of showers and thunderstorms, mainly after 4pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 32. South wind 5 to 10 km/h. Chance of precipitation is 30%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely, mainly between 7pm and 8pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 22. Southwest wind around 10 km/h. Chance of precipitation is 60%. New rainfall amounts between 1 and 2 cm possible.
Thursday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 32. West wind around 10 km/h. Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible.
Thursday Night
Showers likely before 8pm. Partly cloudy, with a low around 23. Chance of precipitation is 60%. New precipitation amounts of less than 1 mm possible.
Friday
Mostly sunny, with a high near 29.
Friday Night
Mostly clear, with a low around 18.
Saturday
Mostly sunny, with a high near 29.
Saturday Night
A chance of showers after 2am. Mostly cloudy, with a low around 19. Chance of precipitation is 30%.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 28. Chance of precipitation is 70%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 28. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 18. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 28.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mendham NJ
 40.76°N 74.59°W (Elev. 600 m)
Last Update:
4:13 pm EDT Jul 15, 2025
Forecast Valid:
5pm EDT Jul 15, 2025-6pm EDT Jul 22, 2025
 
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