Castleblayney

County Monaghan, Ulster, Ireland

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Current Weather

12°

Overcast

Feels Like: 8°

Min: 11°

Max: 15°

The next few hours will be overcast, with today reaching 15°C and dropping to 10°C. The coming days will be drizzle

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Hourly Forecast

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9am
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8pm
9pm
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Today
Tomorrow

Daylight Hours

07:27

Sunrise

19:07

Sunset

11 hours 39 minutes of sunlight today

Moon

Waxing Gibbous

18:43

Moonrise

05:37

Moonset

Daily Forecast

Today

11°
15°

Saturday

10°
17°

Sunday

10°
14°

Monday

6°
14°

Tuesday

10°
18°

Wednesday

12°
17°

Thursday

9°
14°

Friday

7°
13°

Saturday

10°
16°

Sunday

14°
16°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

92% Very Humid
Low High

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Weather in Castleblayney today, September 25, 2026

Castleblayney looks cloudy on September 25, 2026, with grey skies for much of the day. Sunshine stays limited, so the overall tone is muted from the morning onward. The morning sky stays heavily clouded, with cover near 100% around 08:00. Grey conditions set the early tone before any later change.

Expect highs of 15°C and cooler readings close to 11°C. The air stays humid, with relative humidity between 70% and 92% and the peak around 08:00. A lighter breeze peaks around 13:00 near 4.5 km/h.

The afternoon keeps an overcast feel, as cloud reaches about 100% around 13:00. Outdoor plans may still want a flexible backup. Expect visibility near 32.6 km, with poorer spells close to 20.5 km. The sun rises at 07:27 and sets at 19:07, for a total of 11 hours 39 minutes of sunlight today.

Taken together, overcast skies in Castleblayney on September 25, 2026 favour indoor or covered options, with temperatures near 15°C.

Frequently asked questions about weather in Castleblayney

How warm does it get in Castleblayney?

The warmest month in Castleblayney is July, with average high temperatures of 19°C. The average temperature during this period is around 16°C.

How cold does it get in Castleblayney?

The coldest month in Castleblayney is January, with average low temperatures of 3°C. The average temperature during this period is around 5°C.

What is the wettest time of year in Castleblayney?

The wettest month in Castleblayney is August, with an average of 96mm of precipitation.

What is the driest time of year in Castleblayney?

The driest month in Castleblayney is May, with an average of 66mm of precipitation.

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Metric (°C, km/h)