Yes

you do need a jacket based on the weather in Royal Leamington Spa, UK 1 second ago

Why? Because it's bitterly cold.
35°F1°C & Mostly Cloudy

Wind is 4 mph6 km/h from the NE, gusting to 9 mph14 km/h
April 26
12am34°F1°C4 mph7 km/h NEMostly Cloudy
1am33°F1°C4 mph7 km/h NECloudy
2am35°F2°C5 mph8 km/h NEMostly Cloudy
3am38°F3°C6 mph9 km/h NEMostly Cloudy
4am41°F5°C7 mph11 km/h NEMostly Cloudy
5am44°F7°C8 mph13 km/h NEMostly Cloudy
6am47°F8°C8 mph12 km/h NEMostly Cloudy
7am48°F9°C7 mph11 km/h NECloudy
8am50°F10°C6 mph10 km/h NECloudy
9am51°F10°C6 mph9 km/h ECloudy
10am51°F11°C5 mph8 km/h ECloudy
11am52°F11°C5 mph8 km/h ECloudy
DateLowHighWindDayNight
April 2533°F0°C52°F11°C6 mph10 km/h from NECloudyCloudy
April 2638°F4°C49°F9°C13 mph21 km/h from NEDrizzleRain
April 2741°F5°C52°F11°C10 mph17 km/h from NWRainPartly Cloudy
April 2839°F4°C57°F14°C14 mph23 km/h from SPartly CloudyPartly Cloudy
April 2943°F6°C61°F16°C13 mph22 km/h from SEDrizzleDrizzle
April 3049°F9°C66°F19°C8 mph12 km/h from EMostly CloudyDrizzle
May 151°F10°C64°F18°C13 mph21 km/h from NEDrizzleMostly Cloudy

Yes

Low of 38°F4°C, High of 49°F10°C
Wind: 13 mph21 km/h
Precipitation: 59% rain

Support This Page