



Briefing for Late June Heat Wave
An early season heat wave will bring dangerously hot and humid conditions across most of the region beginning Sunday through Wednesday. Read More >
Hazardous Weather Conditions
Current conditions at
Morristown Municipal (KMMU)
Lat: 40.8°NLon: 74.42°WElev: 187ft.
Mostly Cloudy
73°F
23°C
Humidity | 100% |
Wind Speed | Calm |
Barometer | 30.07 in |
Dewpoint | 73°F (23°C) |
Visibility | 7.00 mi |
Last update | 23 Jun 5:55 am EDT |
Extended Forecast for
Morristown Municipal NJ
Extreme Heat Warning June 23, 06:06am until June 25, 08:00pm
NOW until 8:00pm Wed
Extreme Heat Warning
Today
High: 98 °F
Hot
Tonight
Low: 75 °F
Mostly Clear
Tuesday
High: 101 °F
Hot
Tuesday Night
Low: 74 °F
Mostly Clear
Wednesday
High: 96 °F
Sunny then
Chance
T-stormsWednesday Night
Low: 71 °F
Chance
T-storms then
Chance
ShowersThursday
High: 85 °F
Chance
Showers then
Showers
LikelyThursday Night
Low: 64 °F
Showers
Likely
Detailed Forecast
Today
Sunny and hot, with a high near 98. Heat index values as high as 107. Calm wind becoming northwest around 5 mph.
Tonight
Mostly clear, with a low around 75. Calm wind.
Tuesday
Sunny and hot, with a high near 101. Heat index values as high as 104. Calm wind becoming northwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 74. West wind around 5 mph becoming calm in the evening.
Wednesday
A chance of showers and thunderstorms after 2pm. Sunny, with a high near 96. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Friday
A chance of showers. Mostly cloudy, with a high near 77. Chance of precipitation is 40%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 50%.
Saturday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 82. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 82. Chance of precipitation is 40%.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Morristown Municipal NJ
40.8°N 74.4°W (Elev. 177 ft)
40.8°N 74.4°W (Elev. 177 ft)
4:12 am EDT Jun 23, 2025
6am EDT Jun 23, 2025-6pm EDT Jun 29, 2025