Yes
you do need a jacket based on the weather in Lancaster, PA 17602, USA 1 second ago
Why? Because just cool enough for a jacket, but not warm enough to ditch it!
51°F11°C & Partly Cloudy
Wind is 5 mph8 km/h from the West, gusting to 14 mph23 km/h
| May 24 | ||||
| 12am | 50°F10°C | 6 mph9 km/h West | Mostly Clear | |
| 1am | 50°F10°C | 8 mph12 km/h West | Mostly Cloudy | |
| 2am | 50°F10°C | 7 mph12 km/h West | Partly Cloudy | |
| 3am | 48°F9°C | 8 mph12 km/h West | Mostly Clear | |
| 4am | 48°F9°C | 8 mph13 km/h West | Mostly Clear | |
| 5am | 47°F8°C | 8 mph13 km/h West | Mostly Clear | |
| 6am | 47°F8°C | 8 mph12 km/h West | Clear | |
| 7am | 48°F9°C | 10 mph15 km/h West | Mostly Clear | |
| 8am | 51°F11°C | 11 mph18 km/h West | Mostly Clear | |
| 9am | 54°F12°C | 15 mph24 km/h West | Partly Cloudy | |
| 10am | 55°F13°C | 15 mph25 km/h West | Windy | |
| 11am | 56°F14°C | 15 mph24 km/h Northwest | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 23 | 49°F10°C | 63°F17°C | 6 mph10 km/h from West | Mostly Cloudy | Mostly Clear |
| May 24 | 47°F8°C | 62°F17°C | 14 mph23 km/h from Northwest | Partly Cloudy | Mostly Clear |
| May 25 | 46°F8°C | 66°F19°C | 10 mph16 km/h from Northwest | Mostly Cloudy | Rain |
| May 26 | 47°F8°C | 70°F21°C | 5 mph9 km/h from North | Partly Cloudy | Partly Cloudy |
| May 27 | 49°F9°C | 71°F22°C | 5 mph9 km/h from South | Cloudy | Drizzle |
| May 28 | 54°F12°C | 62°F17°C | 9 mph15 km/h from Southeast | Rain | Drizzle |
| May 29 | 57°F14°C | 69°F21°C | 6 mph9 km/h from Southeast | Drizzle | Drizzle |
Yes
Low of 46°F8°C, High of 62°F17°CWind: 14 mph23 km/h
Precipitation: 5% rain