Live Weather & Forecast
Weather in Castleblayney
Monaghan, Ireland · Real-time conditions & 3-day outlook
10°C
Feels like 8°C
51°F / Feels 46°F
Moderate rain at times
Castleblayney, Monaghan
🌙 Nighttime
Updated: 2026-04-15 22:00
Humidity
82%
Wind
22 km/h SSW
Wind Gust
35.6 km/h
Pressure
1001 mb
Visibility
2.5 km
UV Index
0
(Low)
Precipitation
0.2 mm
Cloud Cover
37%
Dew Point
6.6°C
Wind Degree
201°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
152.9 μg/m³
NO₂
2.7 μg/m³
O₃
83 μg/m³
SO₂
1.3 μg/m³
PM 2.5
4 μg/m³
PM 10
8.4 μg/m³
Today's Hourly Forecast
24-hour breakdown for Castleblayney, Monaghan
12 AM
9°
Light rain
1 AM
10°
Patchy rain nearby
2 AM
10°
Overcast
3 AM
10°
Patchy rain nearby
4 AM
10°
Patchy rain nearby
5 AM
10°
Overcast
6 AM
10°
Patchy rain nearby
7 AM
10°
Patchy rain nearby
8 AM
10°
Light rain
9 AM
10°
Light drizzle
10 AM
10°
Light rain
11 AM
10°
Light rain shower
12 PM
10°
Light rain shower
1 PM
11°
Light rain shower
2 PM
12°
Patchy rain nearby
3 PM
12°
Light rain shower
4 PM
12°
Light rain shower
5 PM
11°
Light rain shower
6 PM
11°
Patchy rain nearby
7 PM
10°
Light rain shower
8 PM
9°
Patchy rain nearby
9 PM
8°
Light rain
10 PM
10°
Moderate rain at times
11 PM
7°
Patchy rain nearby
3-Day Forecast
Daily overview for Castleblayney, Monaghan
Today
Moderate rain
12°
/
7°
🌧️ 99% chance of rain
💧 Avg. humidity: 93%
💨 Max wind: 29.9 km/h
🌧️ Total precip: 9.71 mm
☀️ UV Index: 0.6
🌅 Sunrise: 06:24 AM
🌇 Sunset: 08:28 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Patchy rain nearby
12°
/
7°
🌧️ 89% chance of rain
💧 Avg. humidity: 85%
💨 Max wind: 30.2 km/h
🌧️ Total precip: 2.54 mm
☀️ UV Index: 0.7
🌅 Sunrise: 06:22 AM
🌇 Sunset: 08:30 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Patchy rain nearby
12°
/
7°
🌧️ 86% chance of rain
💧 Avg. humidity: 83%
💨 Max wind: 31.3 km/h
🌧️ Total precip: 2.98 mm
☀️ UV Index: 0.7
🌅 Sunrise: 06:20 AM
🌇 Sunset: 08:32 PM
🌙 New Moon
🌑 Moon: 0% lit
Best Time to Visit Castleblayney
Plan your trip to Castleblayney, Ireland around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Castleblayney?
Current conditions in Castleblayney: Moderate rain at times, temperature 10°C, humidity 82%.
What is the best time to visit Castleblayney?
The best time to visit Castleblayney is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Castleblayney?
Castleblayney is located at approximately 54.1° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Castleblayney?
The wettest period in Castleblayney is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Castleblayney?
For visits to Castleblayney during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What are the public holidays in Castleblayney in 2026?
View the 2026 public holidays for Castleblayney on our Holidays page.
What are the GPS coordinates used for the weather forecast in Castleblayney?
The weather forecast for Castleblayney uses coordinates 54.1201, -6.7389.