Weather in Ireland for October 2026
Until now, October 2026 in Ireland has been nearly identical to the historical average, with a temperature of 14.1 °C (showing only a slight deviation of 0.2 °C).
The forecast for the upcoming days in Ireland predicts a temperature of 14.4 °C, which is slightly above the historical average.
In general, the average temperature in Ireland at the beginning of October is 15.1 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 13.2 °C by the end of October.
Ireland in October brings notable rainfall, with an average of 17 rainy days and a total precipitation of 112.7 mm.
Is October a good time to visit Ireland? check out the best time to travel to Ireland page.
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Ireland Weather October
What’s the Weather Like in Ireland This October?
Temperatures trend during October in Ireland
October weather in Ireland day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Oct. |  Patchy rain possible | 15° /10° | 1.7 mm | 2.8 | |
| 2 Oct. |  Moderate or heavy rain shower | 15° /11° | 6.5 mm | 2.7 | |
| 3 Oct. | Patchy rain possible | 15° /9° | 1.3 mm | 2.6 | |
| 4 Oct. | Patchy rain possible | 15° /10° | 2.3 mm | 2.6 | |
| 5 Oct. |  Light rain | 15° /11° | 3.1 mm | 2.5 | |
| 6 Oct. | Light rain | 16° /11° | 2.5 mm | 2.4 | |
| 7 Oct. | Patchy rain possible | 15° /11° | 1.4 mm | 2.4 | |
| 8 Oct. | Patchy rain possible | 15° /10° | 2.4 mm | 2.3 | |
| 9 Oct. | Light rain | 15° /10° | 3.7 mm | 2.2 | |
| 10 Oct. | Patchy rain possible | 14° /8° | 0.5 mm | 2.2 | |
| 11 Oct. | Patchy rain possible | 13° /7° | 1.9 mm | 2.1 | |
| 12 Oct. | Patchy rain possible | 14° /9° | 0.6 mm | 2 | |
| 13 Oct. | Light rain | 14° /8° | 5.5 mm | 2 | |
| 14 Oct. | Patchy rain possible | 14° /9° | 0.3 mm | 1.9 | |
| 15 Oct. | Patchy rain possible | 13° /9° | 1.3 mm | 1.9 | |
| 16 Oct. | Light rain | 13° /9° | 4.2 mm | 1.8 | |
| 17 Oct. | Patchy rain possible | 14° /9° | 1.4 mm | 1.7 | |
| 18 Oct. | Light rain | 13° /9° | 8.5 mm | 1.7 | |
| 19 Oct. | Moderate or heavy rain shower | 14° /10° | 6.9 mm | 1.6 | |
| 20 Oct. | Light rain | 14° /10° | 6 mm | 1.6 | |
| 21 Oct. | Light rain | 12° /8° | 3.9 mm | 1.5 | |
| 22 Oct. | Light rain | 13° /8° | 3 mm | 1.5 | |
| 23 Oct. |  Moderate rain | 12° /8° | 10.3 mm | 1.4 | |
| 24 Oct. | Light rain | 14° /9° | 4.1 mm | 1.4 | |
| 25 Oct. | Patchy rain possible | 12° /8° | 2.3 mm | 1.4 | |
| 26 Oct. | Light rain | 14° /8° | 4.4 mm | 1.3 | |
| 27 Oct. | Patchy rain possible | 14° /8° | 2.2 mm | 1.1 | |
| 28 Oct. |  Overcast | 15° /9° | 0.3 mm | 1 | |
| 29 Oct. | Overcast | 14° /8° | 0.1 mm | 1.2 | |
| 30 Oct. | Overcast | 15° /12° | 0.3 mm | 0.2 | |
| 31 Oct. | Light drizzle | 14° /6° | 2.3 mm | 3 | |
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Guide for Ireland in October
In October, Ireland experiences a transition from the mild and relatively stable weather of late summer to the cooler and more unpredictable conditions of early winter.
At the beginning of the month, the weather in Ireland is characterized by average temperatures ranging from 10° to 14° and a mix of sunny spells and occasional showers. The coastal regions may experience slightly milder temperatures due to the moderating influence of the Atlantic Ocean.
However, as the month progresses, the temperatures tend to drop gradually, with average highs of 12° and lows of 7° towards the end of October.
Rainfall is a common feature throughout the month, with the latter half of October seeing an increase in the frequency of showers. The western parts of the country typically receive more rainfall than the east, and occasional windy conditions can be expected, especially along the coasts.
Overall, October in Ireland offers a mix of autumnal colors, crisp air, and the chance to experience the stunning landscapes as they transition into the colder months. It's advisable for visitors to pack layers and waterproof clothing to be prepared for the changeable weather.