Yes
you do need a jacket based on the weather in Sparta Township, NJ 07871, USA 1 second ago
Why? Because it's cool. Pleasantly cool, but cool!
59°F15°C & Mostly Clear
Wind is 3 mph5 km/h from the North, gusting to 6 mph9 km/h
| September 18 | ||||
| 5am | 58°F15°C | 3 mph5 km/h North | Mostly Clear | |
| 6am | 58°F14°C | 2 mph3 km/h North | Mostly Clear | |
| 7am | 57°F14°C | 1 mph1 km/h North | Mostly Clear | |
| 8am | 60°F16°C | 1 mph2 km/h Northwest | Mostly Clear | |
| 9am | 64°F18°C | 2 mph4 km/h Northwest | Clear | |
| 10am | 67°F20°C | 3 mph6 km/h Northwest | Clear | |
| 11am | 71°F22°C | 5 mph7 km/h Northwest | Clear | |
| 12pm | 74°F24°C | 6 mph9 km/h Northwest | Clear | |
| 1pm | 76°F25°C | 5 mph8 km/h Northwest | Clear | |
| 2pm | 78°F26°C | 5 mph9 km/h Northwest | Clear | |
| 3pm | 79°F26°C | 6 mph10 km/h Northwest | Clear | |
| 4pm | 79°F26°C | 7 mph11 km/h Northwest | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 18 | 57°F14°C | 79°F26°C | 5 mph7 km/h from Northwest | Clear | Clear |
| September 19 | 58°F15°C | 77°F25°C | 7 mph11 km/h from Northwest | Mostly Clear | Clear |
| September 20 | 51°F11°C | 71°F22°C | 5 mph8 km/h from Northeast | Clear | Mostly Clear |
| September 21 | 50°F10°C | 69°F21°C | 6 mph9 km/h from Southeast | Mostly Cloudy | Mostly Clear |
| September 22 | 51°F11°C | 73°F23°C | 5 mph9 km/h from South | Partly Cloudy | Partly Cloudy |
| September 23 | 60°F16°C | 79°F26°C | 7 mph11 km/h from Southwest | Partly Cloudy | Mostly Clear |
| September 24 | 61°F16°C | 79°F26°C | 5 mph8 km/h from North | Partly Cloudy | Mostly Cloudy |
Yes
Low of 58°F15°C, High of 77°F25°CWind: 7 mph11 km/h
Precipitation: None