Portstewart weather

Headline:

Rain crossing mid-Friday, clearing to isolated showers late afternoon. Windy.

This Evening and Tonight:

Cloudy but staying mostly dry, there may be a few clear spells around the Antrim coast, cloud thickening by dawn with some rain in far west, strong winds developing. Minimum temperature 9 °C.

Friday:

After a mainly cloudy start a band of squally rain pushes south quite quickly on Friday. Drier and brighter but feeling fresher later and winds easing for a time. Maximum temperature 13 °C.

Outlook for Saturday to Monday:

Mainly dry on Saturday and Sunday with a few sunny spells in the morning, a few showers around the north. Drier and bright on Monday, winds easing.

Updated: 16:00 (UTC) on Thu 21 Mar 2019

High pressure is expected to dominate at first, bringing largely settled weather with bright or sunny spells. However, weak fronts may bring more cloud and some rain to the far north where it will remain breezier. Patchy overnight frosts are likely but there should be a gradually warming trend for daytime temperatures. High pressure should gradually lose its influence towards the end of March. Southern and southeastern areas will remain mostly fine, though with some fog. Spells of rain and stronger winds are likely to spread from the northwest into central areas. Temperatures are generally expected to continue to rise, becoming very warm for some, whilst in the northwest they will remain nearer normal. Further frontal systems are expected to push in from the Atlantic for the start of April.

Updated: 16:00 (UTC) on Thu 21 Mar 2019

At the start of this period it looks most likely that we will see changeable conditions as spells of wet and windy weather spread from the west. Towards the middle of the month confidence is low; however there is a possibility that we may see a return of more widely settled and drier weather. Some wetter interludes are still possible, particularly in the northwest, and also showers perhaps coming up from the south at times. Temperatures are likely to remain above normal throughout.

Updated: 16:00 (UTC) on Thu 21 Mar 2019