5-day weather forecast Dublin Sep 21, 2026
18°Weather forecast Dublin today Sep 21, 2026: patchy rain possible, temperature from 13 °C to 22 °C.
Precipitation probability 36%. Wind up to 2.39 m/s (gusts 7.61 m/s). Air humidity 62–93%, atmospheric pressure 771–773 mm Hg, UV index up to 3.5.
5 days at a glance — tap a day to open it
Sunrise 07:09
Sunset 19:26
Sunset 19:26
Waxing Gibbous82% illuminated
Moonrise 17:59 · Moonset 00:53
Moonrise 17:59 · Moonset 00:53
Chart
Table
Mon, Sep 21, 2026
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Overcast | 13 °C | 20% | 100% | 72% | 773 mm Hg | SSW 200° 2.19 (2.69) m/s | 0 |
| 01:00 | Overcast | 13 °C | 19% | 98% | 73% | 772 mm Hg | SSW 200° 2 (2.5) m/s | 0 |
| 02:00 | Overcast | 14 °C | 19% | 100% | 72% | 772 mm Hg | SW 222° 1.69 (2.22) m/s | 0 |
| 03:00 |  Partly cloudy | 14 °C | 12% | 55% | 72% | 772 mm Hg | SSW 211° 1.69 (2.39) m/s | 0 |
| 04:00 | Overcast | 13 °C | 22% | 89% | 81% | 772 mm Hg | SSW 213° 2.11 (2.72) m/s | 0 |
| 05:00 | Overcast | 14 °C | 25% | 100% | 83% | 772 mm Hg | SW 217° 2 (4) m/s | 0 |
| 06:00 | Overcast | 15 °C | 25% | 93% | 86% | 772 mm Hg | SW 218° 2 (4.03) m/s | 0 |
| 07:00 |  Cloudy | 15 °C | 22% | 70% | 88% | 772 mm Hg | SW 222° 2.19 (4.83) m/s | 0 |
| 08:00 |  Partly cloudy | 15 °C | 18% | 42% | 90% | 773 mm Hg | SW 224° 2.31 (5.61) m/s | 0 |
| 09:00 |  Sunny | 17 °C | 12% | 23% | 83% | 773 mm Hg | SW 234° 2.31 (7.61) m/s | 0.4 |
| 10:00 | Sunny | 18 °C | 10% | 5% | 80% | 773 mm Hg | WSW 244° 2.39 (5) m/s | 1.1 |
| 11:00 | Sunny | 20 °C | 7% | 1% | 73% | 773 mm Hg | WSW 255° 2.19 (5.03) m/s | 1.7 |
| 12:00 | Sunny | 21 °C | 5% | 3% | 68% | 773 mm Hg | W 261° 2.39 (4.83) m/s | 3 |
| 13:00 | Sunny | 21 °C | 4% | 1% | 65% | 773 mm Hg | W 263° 2.39 (4.42) m/s | 3.5 |
| 14:00 | Sunny | 22 °C | 4% | 2% | 63% | 773 mm Hg | WSW 257° 1.89 (3.83) m/s | 3.4 |
| 15:00 |  Patchy rain possible | 22 °C | 12% (0.01 mm/hr) | 82% | 62% | 772 mm Hg | WSW 246° 1.69 (3.5) m/s | 2.8 |
| 16:00 | Patchy rain possible | 22 °C | 12% (0.01 mm/hr) | 80% | 63% | 772 mm Hg | WSW 248° 1.61 (3.25) m/s | 1.9 |
| 17:00 | Patchy rain possible | 21 °C | 13% (0.01 mm/hr) | 81% | 65% | 772 mm Hg | WSW 245° 1.69 (3.39) m/s | 1 |
| 18:00 | Patchy rain possible | 21 °C | 18% (0.01 mm/hr) | 87% | 74% | 771 mm Hg | WSW 249° 1 (2.31) m/s | 0.4 |
| 19:00 | Patchy rain possible | 18 °C | 30% (0.08 mm/hr) | 87% | 84% | 772 mm Hg | SW 219° 1 (1.03) m/s | 0 |
| 20:00 | Patchy rain possible | 17 °C | 29% (0.08 mm/hr) | 71% | 88% | 772 mm Hg | SSW 210° 1.5 (5.5) m/s | 0 |
| 21:00 | Patchy rain possible | 17 °C | 36% (0.1 mm/hr) | 90% | 89% | 772 mm Hg | SW 231° 1.61 (5.61) m/s | 0 |
| 22:00 | Patchy rain possible | 18 °C | 35% (0.11 mm/hr) | 87% | 88% | 772 mm Hg | WSW 258° 1.61 (6.61) m/s | 0 |
| 23:00 |  Clear | 16 °C | 15% | 0% | 93% | 772 mm Hg | WSW 250° 1.81 (1.83) m/s | 0 |
Mon, Sep 21, 2026
Frequently asked questions about the 5-day weather in Dublin
What will the weather be like in Dublin over the next 5 days?
Over the next 5 days in Dublin the temperature is expected to range from about 9 to 22 °C. See the detailed hourly forecast for each of the 5 days in the charts above.
On which of the next 5 days will it rain in Dublin?
The chance of rain in Dublin over the next 5 days reaches 86%. Check the 5-day precipitation chart above to see exactly which days and hours bring rain.
How accurate is the 5-day weather forecast for Dublin?
A 5-day forecast is fairly reliable: the first 2–3 days are usually very accurate, while days 4–5 may be refined. The data is updated several times a day, so check back before important plans.
Which of the next 5 days in Dublin will be the warmest and which the coolest?
Over the next 5 days the temperature in Dublin ranges from about 9 to 22 °C. Compare the warmest and coolest day on the temperature chart above.
Will it be windy in Dublin over the next 5 days?
Over the next 5 days the wind in Dublin picks up to 5 m/s. The windiest days are easy to spot on the wind chart above.
Which day of the week in Dublin is best for a walk or a trip?
For a walk or a trip, pick the days with the lowest chance of rain (up to 86%) and light wind — easy to compare on the 5-day charts above.
How can I best use the 5-day forecast for Dublin?
The first 2–3 days are reliable enough for firm decisions, while days 4–5 are a guide that sharpens as they approach. The forecast is updated several times a day, so check again before important plans.
Will I need an umbrella or sunscreen in Dublin this week?
Rain reaches a 86% chance across the next 5 days, so pack something waterproof for the wettest of them — the daily strip above shows which. Today’s UV index peaks at 3.5; sunscreen is worth it from about 3 upwards.
Dublin on the map
Data Sources & Methodology
Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.