See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:25
Sunrise
19:06
Sunset
Moon
Waxing Gibbous
18:41
Moonrise
05:36
Moonset
Daily Forecast
Today
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Air Quality Data Available
Upgrade to access real-time air quality data for Rathfarnham.
Resources
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Rathfarnham.
View stargazing scoreWeather in Rathfarnham today, September 25, 2026
Rathfarnham starts September 25, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans. Morning plans should assume damp conditions, as rain chances climb toward 60% around 06:00. Cloud cover is also at its densest near 06:00 at roughly 100%.
The day peaks near 16°C and cools toward 12°C. Expect humidity between 61% and 88%, most humid near 06:00. Winds stay light, near 3.7 km/h by 15:00, so the day feels still more than breezy.
The afternoon should feel quieter than the damp start, with rain probability easing to about 0% after morning values near 60%. Cloud cover stays around 100% by 13:00. Visibility holds near 34.9 km, though it can fall to 25.0 km. Daylight runs from 07:25 to 19:06, lasting 11 hours 40 minutes of sunlight today.
Overall, Rathfarnham on September 25, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 60% and the high sits around 16°C.