Hazardous Weather Conditions
Current conditions at
Morristown Airport (KMMU)
Lat: 40.8°NLon: 74.42°WElev: 187ft.
Mostly Cloudy
81°F
27°C
| Humidity | 58% |
| Wind Speed | SW 6 mph |
| Barometer | 30.03 in |
| Dewpoint | 64°F (18°C) |
| Visibility | 10.00 mi |
| Heat Index | 83°F (28°C) |
| Last update | 30 Jun 9:45 pm EDT |
Extended Forecast for
Summit NJ
Extreme Heat Watch July 3, 09:00pm until July 4, 09:00pm
Extreme Heat Warning July 1, 12:00pm until July 3, 09:00pm
Tonight

Low: 70 °F
Slight Chance
T-stormsWednesday

High: 96 °F
Sunny
Wednesday Night
Low: 75 °F
Slight Chance
T-storms then
Slight Chance
ShowersThursday

High: 102 °F
Hot
Thursday Night

Low: 79 °F
Clear
Friday

High: 101 °F
Hot
Friday Night

Low: 77 °F
Mostly Clear
Independence Day
High: 98 °F
Sunny then
Chance
T-stormsSaturday Night

Low: 73 °F
Chance
T-storms
Detailed Forecast
Tonight
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. Southwest wind around 8 mph.
Wednesday
Sunny, with a high near 96. Heat index values as high as 105. Southwest wind around 9 mph.
Wednesday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 75. Southwest wind around 7 mph. Chance of precipitation is 20%.
Thursday
Sunny and hot, with a high near 102. Heat index values as high as 108. West wind 5 to 8 mph.
Thursday Night
Clear, with a low around 79. West wind 5 to 7 mph.
Friday
Sunny and hot, with a high near 101.
Friday Night
Mostly clear, with a low around 77.
Independence Day
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 98.
Saturday Night
A 40 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 73.
Sunday
A 50 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Tuesday
Mostly sunny, with a high near 85.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Summit NJ
40.71°N 74.37°W (Elev. 400 ft)
40.71°N 74.37°W (Elev. 400 ft)
7:34 pm EDT Jun 30, 2026
10pm EDT Jun 30, 2026-6pm EDT Jul 7, 2026



