worldweather

Weather in Galway - 14-day forecast

Detailed weather forecast for Galway, Ireland: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Galway
today🌧️ 17°💧 0.7 mm
Sun🌧️ 20°💧 0.9 mm
Mon🌧️ 15°💧 1.4 mm
Tue🌧️ 14°💧 2.8 mm
Wed🌧️ 15°💧 2.2 mm
Thu🌧️ 17°💧 1.6 mm
Fri🌧️ 15°💧 0.2 mm
Sat🌧️ 12°💧 14.2 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

Tuesday 8 Sept in Galway, the forecast high is 14°C. Typical daytime temperatures at this time of year range from 16°C to 20°C, so it will be exceptionally cool. It is cooler than 92% of similar days.

17°Cnear normal
usually 16°C–20°C
night: exceptionally warm rain: typical rainfall wind: typical
20°Cwarmer than usual
usually 16°C–20°C
warmer than 73% of similar days
night: exceptionally warm rain: typical rainfall wind: exceptionally strong
15°Ccooler than usual
usually 16°C–20°C
cooler than 84% of similar days
night: exceptionally warm rain: typical rainfall wind: exceptionally strong
14°Cexceptionally cool
usually 16°C–20°C
cooler than 92% of similar days
night: exceptionally warm rain: typical rainfall wind: stronger than usual
15°Ccooler than usual
usually 15°C–20°C
cooler than 80% of similar days
night: exceptionally warm rain: typical rainfall wind: typical
17°Cnear normal
usually 15°C–20°C
night: exceptionally warm rain: typical rainfall wind: stronger than usual
15°Ccooler than usual
usually 15°C–20°C
cooler than 82% of similar days
night: exceptionally warm 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 →
10°20°30° 1981: 19°C1982: 17°C1983: 16°C1984: 17°C1985: 18°C1986: 17°C1987: 17°C1988: 19°C1989: 17°C1990: 18°C1991: 23°C1992: 14°C1993: 17°C1994: 15°C1995: 18°C1996: 20°C1997: 17°C1998: 17°C1999: 18°C2000: 18°C2001: 18°C2002: 16°C2003: 17°C2004: 21°C2005: 19°C2006: 20°C2007: 22°C2008: 16°C2009: 17°C2010: 17°C2011: 16°C2012: 18°C2013: 16°C2014: 18°C2015: 18°C2016: 19°C2017: 16°C2018: 16°C2019: 17°C2020: 17°C2021: 22°C2022: 20°C2023: 25°C2024: 18°C2025: 17°C 2026 forecast: 16°C current forecast 16°C 198119902000201020202026
cooler yearstypical rangewarmer years2026 forecastcurrent forecast

From 1981 to 2025, the 5-11 Sept period averaged 18°C by day. The coolest year was 1992 (14°C) and the warmest was 2023 (25°C). The current forecast averages 16°C - lower than in 91% 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 - Galway

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

14-day forecast - Galway

Galway - 14-day weather forecast infographic

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

Next 16 days · forecast
16°
around 14° at night · days with rain: 10
Weeks 3-4 · avg for September
17°
around 10° at night · rain chance 68%
Weeks 5-7 · avg for October
15°
around 9° at night · rain chance 77%
The 30 & 45-day outlook for Galway: the next 16 days are a numerical forecast updated daily - on average 16° by day and 14° 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 Galway

Saturday5 September 2026
🌧️17°light rain
sunrise 06:52 · sunset 20:17 · night 17° · evening 16° · rain 0.65 mm · humidity 67% · wind 6 m/s · clouds 100%
Sunday6 September 2026
🌧️20°light rain
sunrise 06:54 · sunset 20:15 · night 15° · evening 17° · rain 0.86 mm · humidity 85% · wind 11 m/s · clouds 100%
Monday7 September 2026
🌧️15°light rain
sunrise 06:55 · sunset 20:12 · night 13° · evening 14° · rain 1.42 mm · humidity 71% · wind 11 m/s · clouds 80%
Tuesday8 September 2026
🌧️14°light rain
sunrise 06:57 · sunset 20:10 · night 13° · evening 14° · rain 2.8 mm · humidity 72% · wind 10 m/s · clouds 32%
Wednesday9 September 2026
🌧️15°light rain
sunrise 06:59 · sunset 20:07 · night 13° · evening 13° · rain 2.2 mm · humidity 77% · wind 8 m/s · clouds 100%
Thursday10 September 2026
🌧️17°light rain
sunrise 07:01 · sunset 20:05 · night 15° · evening 16° · rain 1.59 mm · humidity 87% · wind 9 m/s · clouds 100%
Friday11 September 2026
🌧️15°light rain
sunrise 07:02 · sunset 20:03 · night 13° · evening 14° · rain 0.21 mm · humidity 66% · wind 7 m/s · clouds 100%
Saturday12 September 2026
🌧️12°moderate rain
sunrise 07:04 · sunset 20:00 · night 12° · evening 12° · rain 14.22 mm · humidity 95% · wind 7 m/s · clouds 100%
Sunday13 September 2026
☀️16°clear sky
sunrise 07:06 · sunset 19:58 · night 14° · evening 17° · rain 5.52 mm · humidity 73% · wind 4 m/s · clouds 5%
Monday14 September 2026
🌤️16°a few clouds
sunrise 07:07 · sunset 19:55 · night 14° · evening 15° · rain 0.27 mm · humidity 81% · wind 6 m/s · clouds 12%
Tuesday15 September 2026
🌧️16°light rain
sunrise 07:09 · sunset 19:53 · night 14° · evening 15° · rain 0.3 mm · humidity 76% · wind 7 m/s · clouds 100%
Wednesday16 September 2026
🌧️15°light rain
sunrise 07:11 · sunset 19:50 · night 13° · evening 14° · rain 4.89 mm · humidity 78% · wind 10 m/s · clouds 54%
Thursday17 September 2026
🌧️16°moderate rain
sunrise 07:13 · sunset 19:48 · night 13° · evening 13° · rain 25.35 mm · humidity 75% · wind 6 m/s · clouds 100%
Friday18 September 2026
🌧️16°moderate rain
sunrise 07:14 · sunset 19:45 · night 14° · evening 15° · rain 7.71 mm · humidity 78% · wind 15 m/s · clouds 100%
Saturday19 September 2026
🌧️15°light rain
sunrise 07:16 · sunset 19:43 · night 13° · evening 15° · rain 1.17 mm · humidity 72% · wind 6 m/s · clouds 50%
Sunday20 September 2026
☀️15°clear sky
sunrise 07:18 · sunset 19:41 · night 14° · evening 14° · humidity 70% · wind 5 m/s

UV index in Galway - is it safe to sunbathe?

UV INDEX · 16-DAY FORECASTGalway03681111+2.4UV LOWtoday, daily maxYou can safely stay outside. Sunscreen only mattersfor very long exposure.2Sat5.093Sun6.094Mon7.095Tue8.094Wed9.094Thu10.094Fri11.093Sat12.093Sun13.093Mon14.092Tue15.092Wed16.093Thu17.092Fri18.094Sat19.094Sun20.090-2 low3-5 moderate6-7 high8-10 very high11+ extremeworld-prices.com · 2026-09-05
Today the UV index in Galway is 2 (low). You can safely stay outside. Sunscreen only matters for very long exposure.

Sea temperature - Galway

Water today
18°C
Week avg
17°C
Waves today
0.5 m
How's the water?
cold
16-day sea temperature forecast:
5.09 18°C6.09 18°C7.09 17°C8.09 17°C9.09 17°C10.09 17°C11.09 17°C12.09 17°C13.09 17°C
Average sea temperature through the year:
Jan 7°CFeb 8°CMar 9°CApr 11°CMay 15°CJun 17°CJul 18°CAug 18°CSep 16°COct 13°CNov 11°CDec 9°C
Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.

Galway weather through the year

Galway - annual climate

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

LimerickAthloneSligoKilkennyDublinCorkBelfast

FAQ - Galway weather

What is the weather like in Galway today?
Today it is about 17° during the day and 17° at night, light rain.
How far ahead can I check the forecast for Galway?
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.