The last frost in Scilly St Marys, England was the night of the Tuesday 09/02/2021 to Wednesday 10/02/2021, with a minimum air temperature of 2.0°C (35.6°F), and therefore a probable minimum ground temperature of around -1.0°C (30.2°F).
There are no frosts forecast for Scilly St Marys in the next 5-days.