Temperatures drop overnight, and it's time to grab the scrapers for the morning commute.

A sharp frost will spread across the UK and Ireland into Friday, the first widespread frost of the season. Temperatures drop to -3°C in Cardiff overnight, and a few degrees lower in rural spots.

Did you know there are two type of frost? Hoar frost is what we consider as just "frost". It's a crisp white colour and forms as water vapour transforms into ice crystals, a scraper can easily get it off the windscreen.

Frozen dew on the other hand, will take longer to clear before starting the drive. It's a thin coating of glaze ice. It forms in the same way as regular dew but in a sub-zero environment.

It is much harder to clear, and you can even have a layer of frost covering a layer of frozen dew underneath, creating double the work!

Temperatures will remain frosty into the weekend before warming slightly, keep an eye on the TemperatureRadar!