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Weather in Castletroy, Ireland 🇮🇪

Weather Forecast in Castletroy

Current Weather in Castletroy

Partly cloudy
17°C
Feels like 17°C. Partly cloudy.
🌬️ 4 km/h SSW
💧 88% Humidity
🧭 1020 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 0.0
🌡️ Dew Point: 11°C
🌅 Sunrise: 05:22 AM
🌇 Sunset: 09:57 PM
Map Overlays:

In Castletroy right now it is 17°C and partly cloudy, feeling like 17°C. Humidity is 88% with winds around 4 km/h, and the UV index is 0 (low). Over the next few days, temperatures in Castletroy range from about 11°C to 25°C.

Hourly Forecast for Castletroy

05:00
Fog
11°
42%
06:00
Fog
12°
42%
07:00
Mist
14°
29%
08:00
Cloudy
16°
23%
09:00
Partly Cloudy
17°
19%
10:00
Patchy rain nearby
19°
23%
11:00
Cloudy
20°
17%
12:00
Overcast
21°
17%
13:00
Cloudy
22°
12%
14:00
Partly Cloudy
23°
9%
15:00
Partly Cloudy
24°
9%
16:00
Partly Cloudy
24°
8%
17:00
Partly Cloudy
24°
8%
18:00
Cloudy
24°
10%
19:00
Partly Cloudy
23°
8%
20:00
Sunny
21°
9%
21:00
Sunny
19°
12%
22:00
Partly Cloudy
16°
17%
23:00
Mist
15°
21%
00:00
Mist
14°
21%
01:00
Mist
14°
22%
02:00
Mist
13°
23%
03:00
Mist
13°
23%
04:00
Mist
13°
25%

14-Day Forecast for Castletroy

Thu, Jul 09
Partly Cloudy Partly Cloudy
24° / 11°
Fri, Jul 10
Partly Cloudy Partly Cloudy
25° / 13°
Sat, Jul 11
Sunny Sunny
25° / 14°
Sun, Jul 12
Sunny Sunny
26° / 15°
Mon, Jul 13
Sunny Sunny
23° / 12°
Tue, Jul 14
Partly Cloudy Partly Cloudy
23° / 14°
Wed, Jul 15
Sunny Sunny
26° / 15°
Thu, Jul 16
Sunny Sunny
26° / 14°
Fri, Jul 17
Sunny Sunny
27° / 15°
Sat, Jul 18
Sunny Sunny
24° / 10°
Sun, Jul 19
Patchy rain nearby Patchy rain nearby
17° / 10°
Mon, Jul 20
Patchy rain nearby Patchy rain nearby
16° / 11°
Tue, Jul 21
Patchy rain nearby Patchy rain nearby
16° / 11°
Wed, Jul 22
Patchy rain nearby Patchy rain nearby
19° / 10°

Additional Forecasts for Castletroy

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 97.0 μg/m³
O₃ (Ozone) 22.0 μg/m³
NO₂ (Nitrogen Dioxide) 6.7 μg/m³
SO₂ (Sulphur Dioxide) 0.7 μg/m³
PM2.5 (Fine particles) 3.6 μg/m³
PM10 (Coarse particles) 5.8 μg/m³

Historical Weather

Weather Forecasts for Other Cities in Ireland

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Best Time to Be Outside in Castletroy Today

The most comfortable window in Castletroy today looks like 18:00 to 20:00, when it is around 23°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in Castletroy

What is the temperature in Castletroy right now?

The current temperature in Castletroy is 17°C (63°F), partly cloudy (feels like 17°C).

What's the weather like in Castletroy right now?

Conditions in Castletroy right now: Partly cloudy, humidity 88%, wind 4 km/h SSW.

What is today's forecast for Castletroy?

Today in Castletroy: high 24°C, low 11°C, partly cloudy. Chance of rain: 18%.

What is the 7-day weather forecast for Castletroy?

Daily highs and lows for Castletroy:

  • 2026-07-09: 24°C / 11°C
  • 2026-07-10: 25°C / 13°C
  • 2026-07-11: 25°C / 14°C
  • 2026-07-12: 26°C / 15°C
  • 2026-07-13: 23°C / 12°C
  • 2026-07-14: 23°C / 14°C
  • 2026-07-15: 26°C / 15°C
Is it going to rain in Castletroy today?

There is a 18% chance of rain in Castletroy today. Total expected precipitation: 0.01 mm.

What is the wind speed in Castletroy right now?

Wind in Castletroy is currently 4 km/h (2 mph) from the SSW.

What is the UV index in Castletroy right now?

The UV index in Castletroy is currently 0 (low). Sun protection is recommended when the index is 3 or higher.

Weather forecasts for other major cities in 🇮🇪 Ireland: Dublin · South Dublin · Cork · Limerick · Galway · Tallaght · Swords · Drogheda · Bray · Dún Laoghaire · Ennis · Navan · Carlow · Tralee · Droichead Nua · Sandyford · Balbriggan · Kilkenny · Athlone · Naas · Celbridge · Wexford · Finglas · Letterkenny · Sligo · Ballincollig · Greystones · Rathfarnham · An Muileann gCearr · Cluain Meala · Malahide · Blanchardstown · Carrigaline · Leixlip · Donaghmede · Lucan · Kilquade · Castletroy · Knocklyon · Maynooth · Clondalkin · Cill Airne · Shankill · Wicklow
Weather forecasts for cities in neighbouring countries: 🇬🇧 United Kingdom: London · Birmingham · Liverpool · Glasgow · Sheffield · Leeds