Ulster
Issued at: 18 February 2026 05:00
TODAY - Wednesday 18th February
Wet and breezy to start with widespread outbreaks of rain and drizzle, possibly falling as sleet or snow for a time in the northwest and on higher ground. In some places, already saturated ground, together with strong onshore winds coinciding with high tides, mean that some spot and coastal flooding is likely. Highs of 2 to 6 degrees. Moderate to fresh southeasterly winds will be stronger near coasts.
TONIGHT
Turning drier overnight as the rain and drizzle become lighter and patchier. A cold night with lows of 0 to 3 degrees in light to moderate and occasionally fresh east to southeast winds.
Solar UV Index
Low.
TOMORROW - Thursday 19th February
After a mostly dry start, light rain and drizzle will slowly spread eastwards across the province through the day. Drier and brighter conditions will follow from the west. Highs of 5 to 8 degrees in mainly light to moderate southerly or variable winds.
National Outlook
Overview: Continuing unsettled this weekend with spells of wet and breezy weather. Turning milder than average for the time of year.
Thursday night: Becoming cloudy with outbreaks of rain and drizzle spreading eastwards across the country. Lows of 2 to 6 degrees in light to moderate southerly winds freshening through the night.
Friday: A wet start with widespread outbreaks of rain, heavy at times, clearing eastwards through the morning with sunny spells and scattered showers following from the west through the day. Cloud will increase from the southeast through the afternoon with rain following, spreading northeastwards through the evening. Highest temperatures of 9 to 12 degrees in moderate to fresh, occasionally strong southwesterly winds.
Friday night: A windy night with outbreaks of rain continuing to spread northeastwards. Drier conditions will follow into southern parts. Milder than recent nights with lowest temperatures not falling below 7 to 10 degrees in fresh to strong southwest winds.
Saturday: A breezy day, current indications are that outbreaks of rain and drizzle will become patchier as they clear northwards through the day, with scattered showers following. Highest temperatures of 10 to 13 degrees, milder further south, with moderate to fresh southwesterly winds.
Saturday night: Further outbreaks of rain and drizzle spreading across the country. Mild with lowest temperatures of 7 to 11 degrees in moderate to fresh southwesterly winds.
Sunday: A mix of sunny spells and scattered showers spreading from the west through the day. Highest temperatures of 10 to 13 degrees in a moderate to fresh southwesterly wind.
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.