Weather Forecast for Margate. 1  Current temperatures of 11.5 °C. There is currently rain, with overcast clouds. 2  Our 5 day forecast for Margate gives you local UK weather, so you can check how the weather in Margate will change for next 5 days. 3  Today's weather, and 5 day weather forecast for Margate. Forecast Weather provides the local Margate forecast, showing min and max temperatures, humidity, and conditions.