No
you don't need a jacket based on the weather in South Williamsport, PA 17702, USA 1 second ago
71°F22°C & Cloudy
Wind is 2 mph4 km/h from the Southwest, gusting to 9 mph14 km/h
| July 17 | ||||
| 4am | 71°F22°C | 2 mph4 km/h South | Drizzle | |
| 5am | 71°F22°C | 2 mph4 km/h Southeast | Cloudy | |
| 6am | 71°F22°C | 2 mph4 km/h South | Drizzle | |
| 7am | 72°F22°C | 3 mph5 km/h Southwest | Mostly Cloudy | |
| 8am | 74°F23°C | 4 mph7 km/h Southwest | Partly Cloudy | |
| 9am | 76°F24°C | 6 mph10 km/h Southwest | Mostly Cloudy | |
| 10am | 78°F25°C | 9 mph14 km/h Southwest | Mostly Cloudy | |
| 11am | 79°F26°C | 9 mph15 km/h Southwest | Mostly Cloudy | |
| 12pm | 82°F28°C | 10 mph16 km/h Southwest | Partly Cloudy | |
| 1pm | 84°F29°C | 11 mph18 km/h West | Partly Cloudy | |
| 2pm | 86°F30°C | 12 mph19 km/h West | Partly Cloudy | |
| 3pm | 87°F30°C | 12 mph20 km/h West | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| July 17 | 71°F21°C | 87°F30°C | 10 mph15 km/h from West | Partly Cloudy | Partly Cloudy |
| July 18 | 64°F18°C | 77°F25°C | 4 mph6 km/h from North | Partly Cloudy | Partly Cloudy |
| July 19 | 61°F16°C | 80°F26°C | 4 mph7 km/h from South | Rain | Rain |
| July 20 | 66°F19°C | 82°F28°C | 5 mph9 km/h from West | Drizzle | Mostly Clear |
| July 21 | 60°F15°C | 75°F24°C | 6 mph10 km/h from North | Mostly Clear | Mostly Clear |
| July 22 | 54°F12°C | 75°F24°C | 4 mph6 km/h from Southeast | Partly Cloudy | Rain |
| July 23 | 61°F16°C | 81°F27°C | 5 mph7 km/h from South | Drizzle | Mostly Clear |
No
Low of 64°F18°C, High of 78°F26°CWind: 4 mph6 km/h
Precipitation: None