Issued at: 20 September 2020 11:00
TODAY - Sunday 20th September
Mist and low cloud will clear from most areas today but may linger in a few spots. It'll be a dry day with spells of autumn sunshine for many. Highest temperatures of 15 to 21 degrees, coolest along Irish Sea coasts owing to a moderate to fresh, onshore northeasterly breeze.
Dry tonight with clear spells. Areas of mist and fog will form widely in the light winds. Lowest temperatures of 6 to 9 degrees generally but a few degrees colder in some rural, inland parts.
TOMORROW - Monday 21st September
A foggy start in many areas on Monday but sunny spells are expected to develop during the course of the day. However, mist and low cloud may be slow to clear from some northern parts. Highest temperatures of 15 to 21 degrees, warmest in the southeast, in mostly light southwesterly breezes, freshening along the Atlantic seaboard later.
Outlook Summary: Turning unsettled for the rest of the week with rain or showers and cooler conditions.
Monday night: Cloud from the west will extend over much of the country by morning. Lowest temperatures of 7 to 11 degrees, coldest to the north, in light to moderate southwesterly breezes which will freshen in the west and northwest towards dawn with patchy drizzle developing there.
Tuesday: An unsettled day as a band of persistent rain will move into western areas in the afternoon, spreading eastwards during the day and clearing to showers in the west in the evening. Highest temperatures of 15 to 18 degrees, in moderate to fresh and gusty southwesterly winds, veering northwesterly and easing as the rain moves through.
Tuesday night: The rain will clear eastern areas overnight, becoming a largely clear night but cloudier with showers in western areas. Grass frost possible with lowest temperatures of 3 to 6 degrees in mostly light west to northwest breezes.
Wednesday: A cool and unsettled day with showers becoming widespread through the afternoon. Highest temperatures of 11 to 13 degrees in light to moderate westerly breezes, freshening in the west in the evening.
Wednesday Night: Further showers or longer spells of rain will affect mainly western parts of the country on Wednesday. Lowest temperatures of 5 to 7 degrees with moderate to fresh westerly winds.
Further outlook: Staying rather unsettled with further rain and showers. Cool during the days with temperatures below average for the time of year.
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.