The last frost in Penarth (Beach), Wales was the night of the Saturday 13/02/2021 to Sunday 14/02/2021, with a minimum air temperature of 1.0°C (33.8°F), and therefore a probable minimum ground temperature of around -2.0°C (28.4°F).
There are no frosts forecast for Penarth (Beach) in the next 5-days.