No
you don't need a jacket based on the weather in Horsham, PA, USA 1 second ago
74°F23°C & Cloudy
Wind is 2 mph4 km/h from the NE, gusting to 7 mph12 km/h
| July 26 | ||||
| 11pm | 73°F23°C | 2 mph4 km/h E | Mostly Cloudy | |
| July 27 | ||||
| 12am | 71°F22°C | 3 mph4 km/h N | Partly Cloudy | |
| 1am | 69°F21°C | 4 mph6 km/h N | Mostly Clear | |
| 2am | 67°F20°C | 4 mph6 km/h N | Mostly Clear | |
| 3am | 66°F19°C | 4 mph6 km/h N | Mostly Clear | |
| 4am | 65°F18°C | 4 mph6 km/h N | Mostly Clear | |
| 5am | 64°F18°C | 4 mph7 km/h N | Mostly Clear | |
| 6am | 63°F17°C | 4 mph7 km/h N | Mostly Clear | |
| 7am | 65°F18°C | 4 mph7 km/h N | Mostly Clear | |
| 8am | 68°F20°C | 4 mph7 km/h N | Mostly Clear | |
| 9am | 72°F22°C | 5 mph7 km/h N | Clear | |
| 10am | 76°F24°C | 4 mph7 km/h NE | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| July 26 | 63°F17°C | 84°F29°C | 2 mph4 km/h from N | Mostly Cloudy | Partly Cloudy |
| July 27 | 63°F17°C | 86°F30°C | 4 mph6 km/h from N | Mostly Clear | Clear |
| July 28 | 64°F18°C | 88°F31°C | 3 mph5 km/h from NW | Mostly Clear | Partly Cloudy |
| July 29 | 67°F19°C | 87°F31°C | 4 mph6 km/h from S | Mostly Cloudy | Partly Cloudy |
| July 30 | 70°F21°C | 87°F31°C | 9 mph14 km/h from S | Mostly Cloudy | Rain |
| July 31 | 71°F21°C | 82°F28°C | 6 mph10 km/h from S | Rain | Rain |
| August 1 | 71°F21°C | 86°F30°C | 5 mph7 km/h from W | Rain | Drizzle |
No
Low of 64°F18°C, High of 86°F30°CWind: 4 mph6 km/h
Precipitation: None