Hazardous Weather Conditions
Current conditions at
Morristown Airport (KMMU)
Lat: 40.8°NLon: 74.42°WElev: 187ft.
Fair
72°F
22°C
| Humidity | 100% |
| Wind Speed | Calm |
| Barometer | 30.05 in |
| Dewpoint | 72°F (22°C) |
| Visibility | 7.00 mi |
| Last update | 16 Jul 2:15 am EDT |
Extended Forecast for
Summit NJ
Heat Advisory July 16, 11:00am until July 17, 10:00pm
Overnight
Low: 73 °F
Patchy Fog
Wednesday
High: 90 °F
Patchy Fog
then Chance
T-stormsWednesday Night
Low: 74 °F
Chance
T-storms then
Chance
ShowersThursday
High: 90 °F
Showers
Likely then
Chance
T-stormsThursday Night
Low: 74 °F
Partly Cloudy
Friday
High: 86 °F
Sunny
Friday Night
Low: 66 °F
Partly Cloudy
Saturday
High: 85 °F
Mostly Sunny
Saturday Night
Low: 69 °F
Mostly Cloudy
then Chance
Showers
Detailed Forecast
Overnight
Patchy fog before 3am, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 73. Calm wind.
Wednesday
A 30 percent chance of showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 90. Heat index values as high as 98. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly before 5am. Mostly cloudy, with a low around 74. Southwest wind 3 to 5 mph.
Thursday
A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 11am, then a chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 90. Heat index values as high as 99. Southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Partly cloudy, with a low around 74. Southwest wind around 7 mph.
Friday
Sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 66.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 69.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 85. Chance of precipitation is 70%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 84.
Monday Night
Mostly cloudy, with a low around 66.
Tuesday
A 30 percent chance of showers. Mostly sunny, with a high near 83.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Summit NJ
40.71°N 74.37°W (Elev. 400 ft)
40.71°N 74.37°W (Elev. 400 ft)
2:02 am EDT Jul 16, 2025
2am EDT Jul 16, 2025-6pm EDT Jul 22, 2025
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