No
you don't need a jacket based on the weather in Horsham, PA, USA 1 second ago
69°F20°C & Mostly Clear
Wind is 3 mph5 km/h from the Southeast, gusting to 9 mph15 km/h
| August 2 | ||||
| 11pm | 67°F20°C | 3 mph5 km/h South | Mostly Clear | |
| August 3 | ||||
| 12am | 66°F19°C | 3 mph6 km/h Southwest | Mostly Cloudy | |
| 1am | 65°F18°C | 3 mph4 km/h Southeast | Partly Cloudy | |
| 2am | 64°F18°C | 3 mph4 km/h East | Mostly Clear | |
| 3am | 63°F17°C | 1 mph2 km/h Northwest | Mostly Clear | |
| 4am | 62°F17°C | 3 mph4 km/h West | Clear | |
| 5am | 61°F16°C | 3 mph4 km/h Northwest | Clear | |
| 6am | 61°F16°C | 3 mph5 km/h North | Clear | |
| 7am | 62°F17°C | 3 mph5 km/h North | Clear | |
| 8am | 65°F19°C | 3 mph5 km/h North | Clear | |
| 9am | 69°F21°C | 4 mph6 km/h North | Clear | |
| 10am | 73°F23°C | 5 mph7 km/h Northeast | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 2 | 59°F15°C | 79°F26°C | 2 mph3 km/h from Northeast | Partly Cloudy | Mostly Clear |
| August 3 | 61°F16°C | 81°F27°C | 4 mph7 km/h from Northeast | Clear | Mostly Clear |
| August 4 | 62°F17°C | 85°F30°C | 4 mph6 km/h from North | Mostly Clear | Partly Cloudy |
| August 5 | 66°F19°C | 85°F30°C | 4 mph7 km/h from East | Partly Cloudy | Mostly Cloudy |
| August 6 | 67°F19°C | 82°F28°C | 7 mph12 km/h from East | Cloudy | Mostly Cloudy |
| August 7 | 66°F19°C | 79°F26°C | 9 mph15 km/h from East | Mostly Cloudy | Partly Cloudy |
| August 8 | 65°F18°C | 80°F26°C | 8 mph14 km/h from East | Partly Cloudy | Partly Cloudy |
No
Low of 61°F16°C, High of 82°F28°CWind: 4 mph7 km/h
Precipitation: None