worldweather18°Cnear normal
usually 16°C–18°C
night: exceptionally warm
rain: less rain than usual
wind: lighter than usual
Weather in Dublin - 14-day forecast
Detailed weather forecast for Dublin, Ireland: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Dublin
today☁️
18°💧 0.2 mm
Sun🌧️
21°💧 2 mm
Mon🌧️
16°💧 0.6 mm
Tue🌧️
17°💧 0.3 mm
Wed🌧️
16°💧 1 mm
Thu☁️
20°💧 2 mm
Fri☁️
17°💧 1.1 mm
Sat🌧️
13°💧 5.9 mm
Forecast vs 1991-2020 climate normal
NASA POWERHow does the current forecast compare with normal?
We compare the coming days with weather usually observed at this time of year.
Sunday 6 Sept in Dublin, the forecast high is 21°C. Typical daytime temperatures at this time of year range from 15°C to 18°C, so it will be exceptionally warm. It is warmer than 97% of similar days.
21°Cexceptionally warm
usually 15°C–18°C
warmer than 97% of similar days
night: exceptionally warm
rain: typical rainfall
wind: lighter than usual
16°Cnear normal
usually 15°C–18°C
night: near normal
rain: typical rainfall
wind: typical
17°Cnear normal
usually 15°C–18°C
night: near normal
rain: less rain than usual
wind: typical
16°Cnear normal
usually 15°C–18°C
night: warmer than usual
rain: typical rainfall
wind: lighter than usual
20°Cexceptionally warm
usually 15°C–18°C
warmer than 96% of similar days
night: exceptionally warm
rain: typical rainfall
wind: typical
17°Cnear normal
usually 15°C–18°C
night: near normal
rain: typical rainfall
wind: typical
How warm was this week in previous years?
Each bar shows the average daily high during the same 7-day period in each year.
cooler yearstypical rangewarmer years2026 forecastcurrent forecast
From 1981 to 2025, the 5-11 Sept period averaged 17°C by day. The coolest year was 1986 (14°C) and the warmest was 2023 (21°C). The current forecast averages 18°C - higher than in 78% of historical years.
Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window. The typical range is the 20th-80th percentile. This is not a city weather-station reading and does not change the current forecast. NASA POWER Daily API.
Weather warnings - Dublin
No active weather warnings for Dublin (region: County Dublin). The national weather service is not forecasting dangerous conditions.
14-day forecast - Dublin
Dublin 30 & 45-day weather - long-range outlook
Next 16 days · forecast
18°
around 13° at night · days with rain: 9
Weeks 3-4 · avg for September
17°
around 9° at night · rain chance 64%
Weeks 5-7 · avg for October
14°
around 7° at night · rain chance 77%
The 30 & 45-day outlook for Dublin: the next 16 days are a numerical forecast updated daily - on average 18° by day and 13° at night. Further out we rely on multi-year climate averages: around 17° in September, and about 14° in October. Forecasts beyond two weeks are indicative only.
Day-by-day forecast for Dublin
Saturday5 September 2026
☁️18°broken clouds
Sunday6 September 2026
🌧️21°light rain
Monday7 September 2026
🌧️16°light rain
Tuesday8 September 2026
🌧️17°light rain
Wednesday9 September 2026
🌧️16°light rain
Thursday10 September 2026
☁️20°overcast clouds
Friday11 September 2026
☁️17°overcast clouds
Saturday12 September 2026
🌧️13°light rain
Sunday13 September 2026
🌤️18°scattered clouds
Monday14 September 2026
☀️20°clear sky
Tuesday15 September 2026
☁️18°broken clouds
Wednesday16 September 2026
🌧️20°light rain
Thursday17 September 2026
🌧️19°light rain
Friday18 September 2026
🌧️18°moderate rain
Saturday19 September 2026
🌧️17°light rain
Sunday20 September 2026
🌤️18°scattered clouds
UV index in Dublin - is it safe to sunbathe?
Today the UV index in Dublin is 2 (low). You can safely stay outside. Sunscreen only matters for very long exposure.
Sea temperature - Dublin
Water today
17°C
Week avg
17°C
Waves today
0.2 m
How's the water?
cold
16-day sea temperature forecast:
Average sea temperature through the year:
Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.
Air quality and smog in Dublin
Air quality in Dublin is currently very good. Fine particulate PM2.5: 5.3 µg/m³, PM10: 12.1 µg/m³.
| City | PM2.5 (µg/m³) | PM10 (µg/m³) | Air quality |
|---|---|---|---|
| Dublin | 5.3 | 12.1 | very good |
Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-09-05, 02:00).
Dublin weather through the year
Warmest, driest months on average: May, June, July, August.
Upcoming public holidays in Ireland: October Holiday — 26 October · Christmas Day — 25 December · St. Stephen's Day — 26 December.
Nearby and related places
FAQ - Dublin weather
What is the weather like in Dublin today?
Today it is about 18° during the day and 15° at night, broken clouds.
How far ahead can I check the forecast for Dublin?
This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.