See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
13°
Drizzle
Feels Like: 13°
Min: 12°
Max: 16°
The next few hours will be overcast, with today reaching 15°C and dropping to 12°C. The coming days will be drizzle until night.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:26
Sunrise
19:06
Sunset
Moon
Waxing Gibbous
18:41
Moonrise
05:37
Moonset
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View stargazing scoreWeather in Tallaght today, September 25, 2026
Tallaght looks damp on September 25, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly. Early hours look the most unsettled, with rain probability near 60% by 05:00. The thickest cloud arrives around 04:00, reaching about 100%.
Temperatures climb from an overnight low near 12°C toward a daytime high of about 16°C. Moisture in the air spans 61%-89%, with the highest values around 04:00. Airflow remains manageable, reaching about 3.9 km/h around 18:00.
Through the afternoon the main story eases from the wetter morning, with rain odds nearer 0% after earlier peaks around 60%. Cloud remains in play near 100% around 12:00, but the heaviest damp risk should be behind you. Visibility stays generally good near 32.6 km on average, though it can drop toward 21.7 km in thicker cloud or showers. The sun rises at 07:26 and sets at 19:06, for a total of 11 hours 40 minutes of sunlight today.
The practical takeaway for Tallaght on September 25, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 16°C.
Frequently asked questions about weather in Tallaght
How warm does it get in Tallaght?
The warmest month in Tallaght is July, with average high temperatures of 18°C. The average temperature during this period is around 16°C.
How cold does it get in Tallaght?
The coldest month in Tallaght is January, with average low temperatures of 3°C. The average temperature during this period is around 5°C.
What is the wettest time of year in Tallaght?
The wettest month in Tallaght is September, with an average of 94mm of precipitation.
What is the driest time of year in Tallaght?
The driest month in Tallaght is May, with an average of 64mm of precipitation.
