Helston (Cornwall) weather

Headline:

Rain to start but turning drier and colder overnight.

This Evening and Tonight:

A cloudy start with rain pushing in from the west, tracking eastwards. Clearing most places by the early hours with clear spells developing and feeling chilly under the lighter winds. Mist and fog to form in prone spots. Minimum temperature 4 °C.

Sunday:

A chilly start to Sunday. Plenty of bright or sunny spells through the day with high pressure building back in. Remaining dry with light winds and temperatures close to average. Maximum temperature 18 °C.

Outlook for Monday to Wednesday:

Becoming largely settled again into next week with plenty of dry weather and sunny spells. Small chance of a light shower throughout. Feeling pleasant in any sunshine with light winds.

A broadly northwest-southeast split in conditions to start, with spells of rain and strong winds affecting northwestern areas and predominantly dry weather towards the southeast. As Hurricane Humberto moves into the North Atlantic and loses its tropical characteristics, this will likely have an influence on the UK's weather, with the potential for wet and very windy conditions around the first weekend of October. Beyond here, confidence in the details remains low, owing to the potential for further Atlantic tropical cyclone activity, but further spells of wet and windy weather are possible, more likely across northern areas, with lengthier drier spells in the south. Temperatures probably generally near to a little above average by day, though the possibility of chilly nights and overnight fog later on in the south.

A continuation of the broad patterns from the end of the 6-15 day forecast is anticipated at first, with the more unsettled conditions focussed towards northern areas and the best of the drier interludes further south. From around mid October, there is a signal for more widely unsettled weather to develop, with more frequent bouts of wet and windy weather affecting a greater portion of the UK. Given the likelihood of westerly winds predominating, temperatures should average out a little above the seasonal norm, with overnight temperatures more often relatively mild, and with a reduced incidence of overnight fog, compared to normal.