Hazardous Weather Conditions
Current conditions at
Morristown Airport (KMMU)
Lat: 40.8°NLon: 74.42°WElev: 187ft.
Thunderstorm in Vicinity
93°F
34°C
| Humidity | 44% |
| Wind Speed | NW 7 mph |
| Barometer | 29.83 in |
| Dewpoint | 68°F (20°C) |
| Visibility | 10.00 mi |
| Heat Index | 97°F (36°C) |
| Last update | 4 Jul 7:45 pm EDT |
Extended Forecast for
Summit NJ
Severe T-storm Watch July 4, 08:36pm until July 4, 11:00pm
Extreme Heat Warning July 4, 08:36pm until July 4, 09:00pm
NOW: Multiple hazards in effect

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Tonight

Low: 71 °F
Showers
LikelySunday
High: 85 °F
Slight Chance
T-storms then
Showers
LikelySunday Night

Low: 64 °F
Showers
Monday

High: 73 °F
Rain
Monday Night

Low: 62 °F
Rain
Tuesday

High: 76 °F
Showers
LikelyTuesday Night
Low: 62 °F
Chance
T-storms then
Chance
ShowersWednesday

High: 82 °F
Mostly Sunny
Detailed Forecast
Tonight
Showers likely and possibly a thunderstorm before 2am, then a slight chance of showers between 2am and 5am. Mostly cloudy, with a low around 71. West wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
A slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 85. Light and variable wind becoming east around 6 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers likely and possibly a thunderstorm, then rain and possibly a thunderstorm after 8pm. Low around 64. East wind 5 to 7 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Monday
Rain and possibly a thunderstorm. High near 73. East wind around 10 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Monday Night
Rain and possibly a thunderstorm. Low around 62. Northeast wind 8 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Tuesday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 76. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 65.
Thursday
Mostly sunny, with a high near 88.
Thursday Night
Partly cloudy, with a low around 69.
Friday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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)
5:30 pm EDT Jul 4, 2026
8pm EDT Jul 4, 2026-6pm EDT Jul 11, 2026



