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Weather in Swords - 14-day forecast

Detailed weather forecast for Swords, Ireland: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Swords
today☁️ 18°💧 0.3 mm
Sun🌧️ 21°💧 1.2 mm
Mon🌧️ 17°💧 0.4 mm
Tue🌧️ 16°💧 0.1 mm
Wed🌧️ 16°💧 0.8 mm
Thu🌧️ 20°💧 0.2 mm
Fri☁️ 17°💧 0.9 mm
Sat🌧️ 12°💧 3 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

Sunday 6 Sept in Swords, 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 98% of similar days.

18°Cwarmer than usual
usually 16°C–18°C
warmer than 70% of similar days
night: exceptionally warm rain: typical rainfall wind: typical
21°Cexceptionally warm
usually 15°C–18°C
warmer than 98% 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: stronger than usual
16°Cnear normal
usually 15°C–18°C
night: near normal rain: less rain than usual wind: stronger than usual
16°Cnear normal
usually 15°C–18°C
night: warmer than usual rain: typical rainfall wind: typical
20°Cexceptionally warm
usually 15°C–18°C
warmer than 96% of similar days
night: exceptionally warm rain: less rain than usual 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.

swipe to see more years →
10°18°25° 1981: 18°C1982: 16°C1983: 15°C1984: 15°C1985: 17°C1986: 14°C1987: 16°C1988: 18°C1989: 16°C1990: 17°C1991: 18°C1992: 15°C1993: 15°C1994: 15°C1995: 16°C1996: 16°C1997: 17°C1998: 17°C1999: 18°C2000: 18°C2001: 16°C2002: 16°C2003: 17°C2004: 18°C2005: 17°C2006: 18°C2007: 18°C2008: 16°C2009: 16°C2010: 17°C2011: 16°C2012: 17°C2013: 15°C2014: 17°C2015: 16°C2016: 19°C2017: 16°C2018: 16°C2019: 16°C2020: 17°C2021: 20°C2022: 18°C2023: 21°C2024: 17°C2025: 17°C 2026 forecast: 18°C current forecast 18°C 198119902000201020202026
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 80% 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 - Swords

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

14-day forecast - Swords

Swords - 14-day weather forecast infographic

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

Next 16 days · forecast
18°
around 13° at night · days with rain: 6
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 Swords: 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 Swords

Saturday5 September 2026
☁️18°broken clouds
sunrise 06:40 · sunset 20:06 · night 15° · evening 15° · rain 0.33 mm · humidity 55% · wind 7 m/s · clouds 66%
Sunday6 September 2026
🌧️21°light rain
sunrise 06:42 · sunset 20:04 · night 15° · evening 19° · rain 1.2 mm · humidity 61% · wind 6 m/s · clouds 86%
Monday7 September 2026
🌧️17°light rain
sunrise 06:44 · sunset 20:01 · night 12° · evening 15° · rain 0.38 mm · humidity 66% · wind 9 m/s · clouds 100%
Tuesday8 September 2026
🌧️16°light rain
sunrise 06:45 · sunset 19:59 · night 12° · evening 14° · rain 0.13 mm · humidity 53% · wind 10 m/s · clouds 97%
Wednesday9 September 2026
🌧️16°light rain
sunrise 06:47 · sunset 19:56 · night 13° · evening 14° · rain 0.82 mm · humidity 53% · wind 7 m/s · clouds 100%
Thursday10 September 2026
🌧️20°light rain
sunrise 06:49 · sunset 19:54 · night 15° · evening 19° · rain 0.18 mm · humidity 60% · wind 7 m/s · clouds 100%
Friday11 September 2026
☁️17°overcast clouds
sunrise 06:51 · sunset 19:51 · night 10° · evening 14° · rain 0.87 mm · humidity 50% · wind 8 m/s · clouds 86%
Saturday12 September 2026
🌧️12°light rain
sunrise 06:52 · sunset 19:49 · night 12° · evening 12° · rain 2.97 mm · humidity 92% · wind 3 m/s · clouds 100%
Sunday13 September 2026
☀️18°clear sky
sunrise 06:54 · sunset 19:47 · night 13° · evening 15° · rain 3.75 mm · humidity 65% · wind 5 m/s · clouds 10%
Monday14 September 2026
☀️20°clear sky
sunrise 06:56 · sunset 19:44 · night 13° · evening 17° · rain 5.34 mm · humidity 53% · wind 3 m/s · clouds 7%
Tuesday15 September 2026
☁️17°broken clouds
sunrise 06:58 · sunset 19:42 · night 13° · evening 17° · rain 0.75 mm · humidity 66% · wind 4 m/s · clouds 69%
Wednesday16 September 2026
🌧️20°light rain
sunrise 06:59 · sunset 19:39 · night 13° · evening 15° · rain 0.48 mm · humidity 56% · wind 8 m/s · clouds 40%
Thursday17 September 2026
🌧️18°light rain
sunrise 07:01 · sunset 19:37 · night 16° · evening 16° · rain 2.22 mm · humidity 52% · wind 7 m/s · clouds 86%
Friday18 September 2026
🌧️18°moderate rain
sunrise 07:03 · sunset 19:34 · night 14° · evening 14° · rain 7.71 mm · humidity 88% · wind 11 m/s · clouds 100%
Saturday19 September 2026
🌧️16°light rain
sunrise 07:05 · sunset 19:32 · night 13° · evening 14° · rain 0.15 mm · humidity 68% · wind 3 m/s · clouds 100%
Sunday20 September 2026
🌤️18°scattered clouds
sunrise 07:06 · sunset 19:29 · night 15° · evening 15° · humidity 61% · wind 2 m/s · clouds 27%

UV index in Swords - is it safe to sunbathe?

UV INDEX · 16-DAY FORECASTSwords03681111+3UV MODERATEtoday, daily maxSeek shade around midday. SPF 30+, sunglasses and ahat for longer stays.Unprotected fair skin may burn in about 65 min3Sat5.093Sun6.094Mon7.094Tue8.094Wed9.094Thu10.094Fri11.091Sat12.092Sun13.094Mon14.094Tue15.092Wed16.094Thu17.093Fri18.094Sat19.094Sun20.090-2 low3-5 moderate6-7 high8-10 very high11+ extremeworld-prices.com · 2026-09-05
Today the UV index in Swords 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.

Sea temperature - Swords

Water today
17°C
Week avg
17°C
Waves today
0.2 m
How's the water?
cold
16-day sea temperature forecast:
5.09 17°C6.09 17°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 8°CApr 11°CMay 14°CJun 16°CJul 17°CAug 17°CSep 16°COct 14°CNov 11°CDec 9°C
Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.

Swords weather through the year

Swords - 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

DublinWaterfordSligoAthloneLimerickBelfastKilkenny

FAQ - Swords weather

What is the weather like in Swords today?
Today it is about 18° during the day and 15° at night, broken clouds.
How far ahead can I check the forecast for Swords?
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.