National Forecast
Issued at: 21 August 2026 19:30
TODAY - Friday 21st August
Scattered heavy showers will become mainly confined to the south and east this evening. Light to moderate northerly winds continuing.
TONIGHT
Scattered showers will clear from the southeast early tonight. Overnight there is a chance of the odd light shower in the north and west but otherwise it'll be dry with clear spells. Chilly in places with lowest temperatures of 5 to 10 degrees, in a light northwesterly or variable breeze.
TOMORROW - Saturday 22nd August
Tomorrow, Saturday, will be dry for most with spells of sunshine. There's just the chance of the odd light shower in the north and west. Highest temperatures of 15 to 21 degrees, coolest in the north and mildest in the south, in mostly light northerly breezes.
National Outlook
Overview: Staying mostly dry with some warm spells of sunshine for the weekend and Monday, before becoming unsettled from Tuesday, with some showers and spells of rain.
Saturday night: Dry for most with clear spells, but a little bit cloudier in the northwest with the chance of a light shower. Some mist and fog patches will develop. Chilly with lowest temperatures of 5 to 10 degrees, possibly a touch lower locally, with near calm conditions or light variable breezes.
Sunday: Any mist and fog will clear quickly enough, leaving a dry day for most with plenty of sunshine. Highest temperatures generally of 18 to 22 degrees, a little lower in some coastal parts, in light variable breezes.
Sunday night: A dry night with clear spells, allowing mist and fog patches to form in just light variable breezes. Another chilly night with lowest temperatures of around 5 to 10 degrees in light variable breezes.
Monday: Dry and bright for most of the day with spells of sunshine, before cloud and possibly some showers move into southern parts in the evening. Warmer more generally with highest temperatures of 19 to 22 or 23 degrees, in a light to moderate southeasterly breeze.
Tuesday: Current indications are for quite a bit of cloud with showers or more persistent spells of rain moving up from the south, some of which could be heavy or even thundery. Highest temperatures of 17 to 21 degrees, with moderate southeast to east winds.
Further outlook: Unsettled for the rest of the week with spells of heavy rain or showers, thundery at times. Some warm spells of sunshine too. Becoming breezy at times too, but it'll be relatively mild and often humid.
Temperature circle (°C): maximum and minimum temperature forecast for each day. Wind symbol (km/h): arrow points in the direction the wind is blowing. The weather and wind icons: for the time of maximum temperature and minimum temperature.