Isle of Portland weather

Headline:

A frosty start to Wednesday but clouding over later on.

This Evening and Tonight:

Another cold night, with fog patches reforming through the evening and an overnight frost. Cloud will spread southwards across the region in the early hours, lifting temperatures a little by dawn. Minimum temperature -3 °C.

Wednesday:

A predominantly gloomy day for most on Wednesday, with occasional drizzle. The chance of the odd bright spell towards the evening time. Maximum temperature 9 °C.

Outlook for Thursday to Saturday:

Thursday and Friday look set to see a continuation of the damp and murky theme. Winds will strengthen through the day on Saturday, as unsettled conditions make a return overnight.

Updated: 16:00 (UTC) on Tue 21 Jan 2020

Sunday will turn more unsettled for most, with bands of rain moving southeast across the UK, accompanied by a strengthening wind. Heavy showers behind fronts could also bring some wintry precipitation to the hills of the north. Next week looks likely to remain unsettled, with Atlantic fronts making their way southeastwards across the UK. The north and west are likely to see the wettest and windiest spells, with the occasional risk of snow on higher ground. The south and east should stay slightly more settled, though there will still likely be some wet and windy periods. Any settled spells between fronts will lead to some brighter conditions and isolated overnight frosts, but these will likely be short-lived. Temperatures generally around average in the north and just above in the south.

Updated: 16:00 (UTC) on Tue 21 Jan 2020

Through the first half of this period, the mobile wet and windy regime looks set to continue. It seems probable that the most unsettled conditions will gradually transfer further north, leaving a more traditional northwest/southeast split. There are signs that through the middle of February, that a more settled, anticyclonic pattern will begin to affect the southeast. These settled conditions may gradually move further northwest to influence much of the UK for a time. This would bring drier weather for all, with an increased likelihood of fog and frost. Unsettled spells of strong winds and rain are still likely from time to time, but mainly in the northwest. Temperatures are likely to be around normal, with a large diurnal variation, if the more settled regime was to take control.

Updated: 16:00 (UTC) on Tue 21 Jan 2020