Weather in Kilkenny - 14-day forecast

Detailed weather forecast for Kilkenny, Ireland: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.

Forecast for the next days in Kilkenny

today🌧️ 18°💧 0.5 mm

Sun🌧️ 20°💧 1.5 mm

Mon🌧️ 16°💧 1.2 mm

Tue🌧️ 16°💧 0.4 mm

Wed🌧️ 16°💧 0.2 mm

Thu🌧️ 20°💧 0.5 mm

Fri🌧️ 17°💧 0.1 mm

Sat🌧️ 12°💧 6.8 mm

Forecast vs 1991-2020 climate normal

How does the current forecast compare with normal?

We compare the coming days with weather usually observed at this time of year.

NASA POWER

Thursday 10 Sept in Kilkenny, the forecast high is 20°C. Typical daytime temperatures at this time of year range from 15°C to 19°C, so it will be warmer than usual. It is warmer than 86% of similar days.

Saturday 5 Sept

18°Cnear normal

usually 16°C–19°C

night: exceptionally warm rain: typical rainfall wind: typical

Sunday 6 Sept

20°Cwarmer than usual

usually 16°C–19°C

warmer than 84% of similar days

night: exceptionally warm rain: typical rainfall wind: stronger than usual

Monday 7 Sept

16°Ccooler than usual

usually 16°C–19°C

cooler than 70% of similar days

night: near normal rain: typical rainfall wind: typical

Tuesday 8 Sept

16°Ccooler than usual

usually 16°C–19°C

cooler than 70% of similar days

night: warmer than usual rain: typical rainfall wind: stronger than usual

Wednesday 9 Sept

16°Ccooler than usual

usually 15°C–19°C

cooler than 74% of similar days

night: warmer than usual rain: less rain than usual wind: typical

Thursday 10 Sept

20°Cwarmer than usual

usually 15°C–19°C

warmer than 86% of similar days

night: exceptionally warm rain: typical rainfall wind: typical

Friday 11 Sept

17°Cnear normal

usually 15°C–19°C

night: warmer than usual rain: less rain than usual 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.

swipe to see more years →

cooler yearstypical rangewarmer years2026 forecastcurrent forecast

From 1981 to 2025, the 5-11 Sept period averaged 18°C by day. The coolest year was 1994 (14°C) and the warmest was 2023 (22°C). The current forecast averages 17°C - close to the historical median.

Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window.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 - Kilkenny

No active weather warnings for Kilkenny (region: County Kilkenny). The national weather service is not forecasting dangerous conditions.

14-day forecast - Kilkenny

Kilkenny - 14-day weather forecast infographic

Kilkenny 30 & 45-day weather - long-range outlook

Next 16 days · forecast

17°

around 12° at night · days with rain: 6

Weeks 3-4 · avg for September

17°

around 11° at night · rain chance 13%

Weeks 5-7 · avg for October

15°

around 9° at night · rain chance 35%

The 30 & 45-day outlook for Kilkenny: the next 16 days are a numerical forecast updated daily - on average 17° by day and 12° at night. Further out we rely on multi-year climate averages: around 17° in September, and about 15° in October. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Kilkenny

Saturday5 September 2026

🌧️18°light rain

sunrise 06:46 · sunset 20:09 · night 15° · evening 15° · rain 0.52 mm · humidity 56% · wind 6 m/s · clouds 38%

Sunday6 September 2026

🌧️20°light rain

sunrise 06:47 · sunset 20:07 · night 13° · evening 19° · rain 1.46 mm · humidity 82% · wind 8 m/s · clouds 91%

Monday7 September 2026

🌧️16°light rain

sunrise 06:49 · sunset 20:04 · night 10° · evening 14° · rain 1.19 mm · humidity 78% · wind 7 m/s · clouds 100%

Tuesday8 September 2026

🌧️16°light rain

sunrise 06:51 · sunset 20:02 · night 11° · evening 14° · rain 0.41 mm · humidity 53% · wind 9 m/s · clouds 35%

Wednesday9 September 2026

🌧️16°light rain

sunrise 06:52 · sunset 19:59 · night 12° · evening 14° · rain 0.23 mm · humidity 68% · wind 6 m/s · clouds 96%

Thursday10 September 2026

🌧️20°light rain

sunrise 06:54 · sunset 19:57 · night 14° · evening 18° · rain 0.48 mm · humidity 62% · wind 6 m/s · clouds 100%

Friday11 September 2026

🌧️17°light rain

sunrise 06:56 · sunset 19:55 · night 11° · evening 14° · rain 0.12 mm · humidity 55% · wind 7 m/s · clouds 83%

Saturday12 September 2026

🌧️12°light rain

sunrise 06:57 · sunset 19:52 · night 11° · evening 12° · rain 6.78 mm · humidity 97% · wind 4 m/s · clouds 100%

Sunday13 September 2026

🌤️19°a few clouds

sunrise 06:59 · sunset 19:50 · night 12° · evening 17° · rain 3.03 mm · humidity 63% · wind 4 m/s · clouds 23%

Monday14 September 2026

☀️19°clear sky

sunrise 07:01 · sunset 19:48 · night 11° · evening 16° · rain 0.75 mm · humidity 55% · wind 3 m/s · clouds 4%

Tuesday15 September 2026

☁️17°broken clouds

sunrise 07:02 · sunset 19:45 · night 13° · evening 16° · rain 0.39 mm · humidity 68% · wind 4 m/s · clouds 75%

Wednesday16 September 2026

🌧️18°light rain

sunrise 07:04 · sunset 19:43 · night 11° · evening 15° · rain 0.78 mm · humidity 74% · wind 9 m/s · clouds 23%

Thursday17 September 2026

🌧️18°light rain

sunrise 07:06 · sunset 19:40 · night 16° · evening 14° · rain 5.28 mm · humidity 61% · wind 9 m/s · clouds 91%

Friday18 September 2026

🌧️17°moderate rain

sunrise 07:07 · sunset 19:38 · night 12° · evening 13° · rain 6.75 mm · humidity 89% · wind 13 m/s · clouds 100%

Saturday19 September 2026

🌧️17°light rain

sunrise 07:09 · sunset 19:36 · night 11° · evening 14° · rain 0.78 mm · humidity 66% · wind 2 m/s · clouds 100%

Sunday20 September 2026

☀️18°clear sky

sunrise 07:11 · sunset 19:33 · night 15° · evening 15° · humidity 68% · wind 2 m/s · clouds 3%

UV index in Kilkenny - is it safe to sunbathe?

Today the UV index in Kilkenny is 3 (moderate) - unprotected fair skin can burn in about 65 minutes. Seek shade around midday. SPF 30+, sunglasses and a hat for longer stays.

Kilkenny weather through the year

Warmest, driest months on average: April, May, June, July.

Upcoming public holidays in Ireland: October Holiday — 26 October · Christmas Day — 25 December · St. Stephen's Day — 26 December.

Nearby and related places

WaterfordLimerickGalwaySligoDublinSwordsCork

FAQ - Kilkenny weather

What is the weather like in Kilkenny today?

Today it is about 18° during the day and 15° at night, light rain.

How far ahead can I check the forecast for Kilkenny?

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.