No
you don't need a jacket based on the weather in Harleysville, PA 19438, USA 1 second ago
63°F17°C & Clear
Wind is 4 mph6 km/h from the Northwest, gusting to 8 mph13 km/h
| July 4 | ||||
| 4am | 62°F17°C | 4 mph7 km/h Northwest | Clear | |
| 5am | 61°F16°C | 4 mph7 km/h West | Clear | |
| 6am | 61°F16°C | 4 mph7 km/h Northwest | Clear | |
| 7am | 63°F17°C | 4 mph7 km/h Northwest | Clear | |
| 8am | 67°F19°C | 6 mph9 km/h Northwest | Clear | |
| 9am | 70°F21°C | 7 mph11 km/h North | Clear | |
| 10am | 72°F22°C | 7 mph11 km/h Northwest | Clear | |
| 11am | 75°F24°C | 6 mph9 km/h North | Clear | |
| 12pm | 77°F25°C | 6 mph9 km/h Northwest | Clear | |
| 1pm | 78°F26°C | 6 mph9 km/h Northwest | Clear | |
| 2pm | 79°F26°C | 6 mph9 km/h Northwest | Clear | |
| 3pm | 80°F27°C | 6 mph9 km/h Northwest | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| July 4 | 61°F16°C | 81°F27°C | 6 mph9 km/h from Northwest | Clear | Mostly Clear |
| July 5 | 59°F15°C | 85°F29°C | 3 mph5 km/h from Southwest | Partly Cloudy | Mostly Clear |
| July 6 | 65°F19°C | 88°F31°C | 6 mph10 km/h from Southwest | Mostly Clear | Mostly Clear |
| July 7 | 71°F22°C | 87°F30°C | 5 mph7 km/h from Southwest | Thunderstorms | Drizzle |
| July 8 | 71°F22°C | 87°F31°C | 5 mph8 km/h from West | Rain | Partly Cloudy |
| July 9 | 70°F21°C | 84°F29°C | 4 mph7 km/h from Northwest | Thunderstorms | Thunderstorms |
| July 10 | 70°F21°C | 86°F30°C | 3 mph4 km/h from Southeast | Thunderstorms | Thunderstorms |
No
Low of 59°F15°C, High of 85°F30°CWind: 3 mph5 km/h
Precipitation: None