Isle of Portland (Dorset) weather

Headline:

Often cloudy with patchy outbreaks of rain and drizzle. Mild.

This Evening and Tonight:

Remaining cloudy overnight with outbreaks of drizzly rain at times, particularly over high ground. Staying breezy, although winds ease a little through the early hours. Milder than Friday night. Minimum temperature 15 °C.

Sunday:

A cloudy start with patchy rain and drizzle at times, though largely dry in the east with some bright spells possible . Winds easing and temperatures a little above average. Maximum temperature 20 °C.

Outlook for Monday to Wednesday:

Variable cloud on Monday with outbreaks of rain at times. Drier and brighter on Tuesday and Wednesday with sunny intervals. Breezy at times, and temperatures returning closer to average.

Updated: 17:00 (UTC+1) on Sat 30 Sep 2023

Thursday is likely to see some rain or showers in the northwest, along with some stronger winds, while southeastern areas remain dry. Over the following few days, a northwest-southeast split is likely to continue. Where this split lies, however, is more uncertain than usual. Northwestern areas are most prone to further rain, while further southeast drier weather is more likely, with some early morning mist and fog patches possible here. Away from the northwest, there is potential for temperatures to become notably warm by day. Beyond this, conditions are likely to trend more widely unsettled for a time, with the wettest and windiest conditions likely towards the northwest. Temperatures are likely to trend downwards and feel cooler than earlier in the period, although remain near or above the seasonal average.

Updated: 15:00 (UTC+1) on Sat 30 Sep 2023

Changeable conditions at the start of this period may give way to a more slowly evolving weather pattern later in October. This would result in some drier, settled spells, especially towards the northwest. Some wet weather is still possible at times, most likely in the south where some spots may be wetter than usual. Temperatures are more likely to be above average than below average overall, which means that by day conditions will often feel quite pleasant in sunshine. Chilly nights are to be expected during more settled periods, bringing a risk of frost and also a chance of mist and fog patches which could be quite slow to clear from some spots.

Updated: 16:00 (UTC+1) on Sat 30 Sep 2023