🇮🇪 Weather in Castletroy
Map Overlays:
Hourly Forecast for Castletroy
10:00
22°
0%
11:00
23°
0%
12:00
24°
0%
13:00
25°
0%
14:00
26°
0%
15:00
26°
0%
16:00
26°
0%
17:00
26°
88%
18:00
26°
75%
19:00
26°
100%
20:00
23°
75%
21:00
21°
0%
22:00
19°
0%
23:00
18°
0%
00:00
17°
0%
01:00
16°
0%
02:00
16°
0%
03:00
15°
0%
04:00
14°
0%
05:00
14°
0%
06:00
14°
0%
07:00
15°
0%
08:00
17°
0%
09:00
19°
0%
14-Day Forecast for Castletroy
Tue, May 26
Patchy rain nearby
26° /
14°
Wed, May 27
Sunny
25° /
14°
Thu, May 28
Patchy rain nearby
22° /
12°
Fri, May 29
Patchy rain nearby
21° /
12°
Sat, May 30
Patchy rain nearby
19° /
8°
Sun, May 31
Patchy rain nearby
17° /
11°
Mon, Jun 01
Patchy rain nearby
18° /
12°
Tue, Jun 02
Patchy rain nearby
17° /
10°
Wed, Jun 03
Patchy rain nearby
14° /
10°
Thu, Jun 04
Patchy rain nearby
12° /
10°
Fri, Jun 05
Patchy rain nearby
14° /
9°
Sat, Jun 06
Patchy rain nearby
14° /
7°
Sun, Jun 07
Patchy rain nearby
13° /
5°
Mon, Jun 08
Patchy rain nearby
13° /
5°
Additional Forecasts for Castletroy
Air Quality
💨 US EPA Index 2 (Moderate)
CO (Carbon Monoxide) 144.8 μg/m³
O₃ (Ozone) 36.0 μg/m³
NO₂ (Nitrogen Dioxide) 11.1 μg/m³
SO₂ (Sulphur Dioxide) 1.4 μg/m³
PM2.5 (Fine particles) 15.7 μg/m³
PM10 (Coarse particles) 24.1 μg/m³
Historical Weather
Weather Forecasts for Other Cities in Ireland
Frequently Asked Questions about Weather in Castletroy
What is the temperature in Castletroy right now?
The current temperature in Castletroy is 16°C (61°F), partly cloudy (feels like 16°C).
What's the weather like in Castletroy right now?
Conditions in Castletroy right now: Partly Cloudy, humidity 88%, wind 5 km/h ENE.
What is today's forecast for Castletroy?
Today in Castletroy: high 26°C, low 14°C, patchy rain nearby. Chance of rain: 88%.
What is the 7-day weather forecast for Castletroy?
Daily highs and lows for Castletroy:
- 2026-05-26: 26°C / 14°C
- 2026-05-27: 25°C / 14°C
- 2026-05-28: 22°C / 12°C
- 2026-05-29: 21°C / 12°C
- 2026-05-30: 19°C / 8°C
- 2026-05-31: 17°C / 11°C
- 2026-06-01: 18°C / 12°C
Is it going to rain in Castletroy today?
There is a 88% chance of rain in Castletroy today. Total expected precipitation: 0.11 mm.
What is the wind speed in Castletroy right now?
Wind in Castletroy is currently 5 km/h (3 mph) from the ENE.
What is the UV index in Castletroy right now?
The UV index in Castletroy is currently 1.9 (low). Sun protection is recommended when the index is 3 or higher.

