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.
Fair
70°F
21°C
| Humidity | 78% |
| Wind Speed | Calm |
| Barometer | 30.01 in |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 20 Jun 10:55 pm EDT |
Extended Forecast for
Denville NJ
Extreme Heat Watch June 22, 08:00am until June 25, 08:00pm
Tonight
Low: 64 °F
Partly Cloudy
Saturday
High: 87 °F
Mostly Sunny
then Slight
Chance
T-stormsSaturday Night
Low: 71 °F
Slight Chance
T-stormsSunday
High: 94 °F
Mostly Sunny
Sunday Night
Low: 75 °F
Mostly Clear
Monday
High: 99 °F
Hot
Monday Night
Low: 76 °F
Mostly Clear
Tuesday
High: 98 °F
Hot
Tuesday Night
Low: 75 °F
Mostly Clear
Detailed Forecast
Tonight
Partly cloudy, with a low around 64. West wind around 5 mph.
Saturday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. West wind around 5 mph. Chance of precipitation is 20%.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 71. Southwest wind around 5 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 94. Heat index values as high as 100. West wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 75. West wind around 5 mph becoming calm in the evening.
Monday
Sunny and hot, with a high near 99.
Monday Night
Mostly clear, with a low around 76.
Tuesday
Sunny and hot, with a high near 98.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 86. Chance of precipitation is 40%.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Denville NJ
40.9°N 74.47°W (Elev. 525 ft)
40.9°N 74.47°W (Elev. 525 ft)
4:11 pm EDT Jun 20, 2025
11pm EDT Jun 20, 2025-6pm EDT Jun 27, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
