Yes
you do need a jacket based on the weather in Caernarfon, UK 1 second ago
Why? Because it's quite chilly.
39°F4°C & Mostly Cloudy
Wind is 5 mph8 km/h from the E, gusting to 8 mph13 km/h
| April 27 | ||||
| 1am | 39°F4°C | 6 mph9 km/h E | Mostly Cloudy | |
| 2am | 41°F5°C | 6 mph10 km/h E | Mostly Cloudy | |
| 3am | 44°F7°C | 7 mph11 km/h E | Mostly Cloudy | |
| 4am | 46°F8°C | 8 mph13 km/h E | Partly Cloudy | |
| 5am | 47°F9°C | 9 mph14 km/h E | Partly Cloudy | |
| 6am | 49°F10°C | 9 mph15 km/h E | Mostly Cloudy | |
| 7am | 51°F10°C | 10 mph16 km/h E | Mostly Cloudy | |
| 8am | 51°F11°C | 11 mph17 km/h NE | Mostly Cloudy | |
| 9am | 51°F11°C | 11 mph18 km/h NE | Mostly Cloudy | |
| 10am | 52°F11°C | 11 mph18 km/h NE | Mostly Cloudy | |
| 11am | 52°F11°C | 11 mph18 km/h NE | Mostly Cloudy | |
| 12pm | 51°F11°C | 12 mph19 km/h NE | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 26 | 39°F4°C | 52°F11°C | 10 mph16 km/h from NE | Mostly Cloudy | Mostly Cloudy |
| April 27 | 43°F6°C | 52°F11°C | 11 mph17 km/h from NW | Partly Cloudy | Drizzle |
| April 28 | 47°F8°C | 55°F13°C | 20 mph32 km/h from S | Drizzle | Drizzle |
| April 29 | 48°F9°C | 58°F14°C | 14 mph23 km/h from SE | Drizzle | Cloudy |
| April 30 | 46°F8°C | 57°F14°C | 5 mph8 km/h from E | Drizzle | Drizzle |
| May 1 | 48°F9°C | 56°F13°C | 6 mph9 km/h from W | Drizzle | Drizzle |
| May 2 | 49°F9°C | 64°F18°C | 9 mph15 km/h from NE | Partly Cloudy | Mostly Clear |
Yes
Low of 43°F6°C, High of 52°F11°CWind: 11 mph17 km/h
Precipitation: None