The UK's weather is forecast to hit 18C later this week after starting the week with a sub-zero freeze.
While Tulloch Bridge in northern Scotland recorded an autumn low of -4.8C this morning, temperatures are expected to rise over the course of the week.
Nonetheless, the weather is expected to be mixed across the UK, with unpredictable conditions mid-week.
It comes with the nation sandwiched between two opposing weather systems moving in from the north-west and south-east.
The high point of the week looks set to be 18C in London on Saturday.
Friday will be relatively warm too, at 17C.
Emma Smith, a meteorologist from the Met Office, said: "We are going to have some chilly nights. Last night we got to -5C.
"Tonight and tomorrow night are going to be chilly ones."
However, she said people could expect warmer temperatures by the weekend.
"In London and the south-east on Friday we have 17C, and 18C on Saturday. I think it's going to be quite sunny to be honest. But across the UK it's going to be quite windy."
While it may be warm, Ms Smith would not recommend going to the beach on Saturday.
She added: "I would not personally go to the beach, unless I have got wellies."
Temperatures will drop a little to 14C or 15C on Sunday and Monday, but the sky will be cloudy with some sun.
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