Trick-or-treaters can expect “unseasonably mild” weather for Halloween, according to the Met Office.
Parts of the UK saw conditions “more akin to early June than late October” on Monday the Met Office said, up to 7C above the seasonal average.
Although most places were not far off the October average, the drier and milder weather is expected to last throughout the week.
But it’s not all good news for those hoping to take part in Halloween festivities on Thursday – there will be fog in some places which is more likely to form at night.
Meteorologist Tom Morgan from the Met Office said it had been “pretty mild over the last few days”.
Mr Morgan said the unseasonably high temperatures were also widespread across the country.
“The rest of the week will generally see temperatures in the mid-teens,” he added.
“So, if we look at Halloween, it will be unseasonably mild for trick-or-treating, and often quite cloudy and dry – both by day and by night.”
While Halloween may be dry, some parts of the UK could see snow showers as soon as this week.
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Mr Morgan said next weekend will “likely be a little bit colder”.
“I wouldn’t rule out some snow showers in the Shetlands and possibly in northern Scotland,” he added.
Despite the potential for snow in some places, forecasters say the cold weather “will not become widespread” and “the bulk of the UK will have dry weather”.