Yes
you do need a jacket based on the weather in Horsham, PA, USA 1 second ago
Why? Because it's not very warm out.
53°F12°C & Partly Cloudy
Wind is 5 mph8 km/h from the E, gusting to 9 mph15 km/h
| April 25 | ||||
| 2pm | 55°F13°C | 5 mph8 km/h E | Partly Cloudy | |
| 3pm | 56°F13°C | 4 mph6 km/h E | Mostly Cloudy | |
| 4pm | 57°F14°C | 3 mph6 km/h E | Partly Cloudy | |
| 5pm | 58°F14°C | 3 mph5 km/h E | Partly Cloudy | |
| 6pm | 57°F14°C | 3 mph4 km/h E | Partly Cloudy | |
| 7pm | 55°F13°C | 4 mph6 km/h SE | Mostly Cloudy | |
| 8pm | 52°F11°C | 6 mph10 km/h SE | Mostly Cloudy | |
| 9pm | 49°F9°C | 6 mph10 km/h SE | Mostly Cloudy | |
| 10pm | 47°F8°C | 6 mph9 km/h SE | Mostly Cloudy | |
| 11pm | 45°F7°C | 4 mph7 km/h SE | Mostly Cloudy | |
| April 26 | ||||
| 12am | 43°F6°C | 4 mph6 km/h S | Mostly Clear | |
| 1am | 41°F5°C | 3 mph4 km/h S | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 25 | 43°F6°C | 58°F14°C | 4 mph7 km/h from E | Partly Cloudy | Mostly Clear |
| April 26 | 35°F2°C | 64°F18°C | 5 mph8 km/h from SE | Clear | Mostly Clear |
| April 27 | 38°F4°C | 64°F18°C | 8 mph12 km/h from S | Mostly Cloudy | Mostly Cloudy |
| April 28 | 47°F8°C | 79°F26°C | 6 mph10 km/h from SW | Partly Cloudy | Partly Cloudy |
| April 29 | 59°F15°C | 87°F31°C | 4 mph6 km/h from NW | Mostly Clear | Mostly Clear |
| April 30 | 59°F15°C | 85°F30°C | 7 mph12 km/h from SE | Mostly Clear | Partly Cloudy |
| May 1 | 59°F15°C | 81°F27°C | 5 mph9 km/h from W | Partly Cloudy | Partly Cloudy |
Yes
Low of 36°F2°C, High of 64°F18°CWind: 5 mph8 km/h
Precipitation: None