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Weather in Ballycastle, Co. Mayo today: the honest forecast

Ballycastle

Stars out and not a drop fallin’. Suspicious, so it is.

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6°C

Clear Clear sky

Feels like
5°C
Wind
6 km/h
Humidity
89%
Rainfall
0 mm

Sunrise 08:09 Sunset 18:36

Air quality Fair

Updated 23:27 on 17/10/2026. Don’t be expecting miracles.

Tomorrow in Ballycastle

Sunday 18/10/2026

Dull, grey and mild. The national colours.

Clouds, high of 13°C, low of 4°C. 0 mm of rain, 0% chance. Wind up to 12 km/h.

The day after in Ballycastle

Monday 19/10/2026

Cloud so thick the sun’s on a sabbatical.

Clouds, high of 12°C, low of 4°C. 0 mm of rain, 0% chance. Wind up to 17 km/h.

Yellow warning: the sky’s in a mood. Not a crisis, but the washing can stay in.

Yellow

Small Craft warning from Belfast Lough to Wicklow Head to Roche's Point

From 19/10/2026 07:00 until 19/10/2026 23:59

Northeasterly or cyclonic variable winds, veering southeasterly will reach force 6 at times.

Weather warnings: Met Éireann. Shown as issued. met.ie/warnings Northern Ireland: Met Office, metoffice.gov.uk.

Honest Weather’s verdicts for Ballycastle, tomorrow

  • Washing10/10 for washingEvery sheet in the house. Go.
  • Barbecue8/10 for barbecueFire it up. Just keep an eye on the sky.
  • A walk10/10 for a walkCracking walk weather. Don’t waste it.

Verdicts by Honest Weather · honestweather.ie

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Next 24 hours in Ballycastle

Dull as dishwater, but dry. Count it as a win.

In 3-hour steps.

  1. 01:00 5° 0% chance of rain
  2. 04:00 4° 0% chance of rain
  3. 07:00 4° 0% chance of rain
  4. 10:00 6° 0% chance of rain
  5. 13:00 12° 0% chance of rain
  6. 16:00 13° 0% chance of rain
  7. 19:00 8° 0% chance of rain
  8. 22:00 5° 0% chance of rain

The days ahead in Ballycastle

  1. Sun 18/10 Clouds 13° / 4° 0 mm, 0% Sky’s acting the complete eejit.
  2. Mon 19/10 Clouds 12° / 4° 0 mm, 0% Sun’s hiding like it owes us money.
  3. Tue 20/10 Rain 12° / 8° 8.8 mm, 100% It’s bucketin’. The dog’s refusin’ to go out and I don’t blame him.
  4. Wed 21/10 Rain 12° / 7° 3.4 mm, 95% Bucketin’ down. Don’t be goin’ out in that, ya eejit.
  5. Thu 22/10 Rain 12° / 7° 8.3 mm, 100% The rain’s gone and let itself in again.

About the weather in Ballycastle, Co. Mayo

Ballycastle, Co. Mayo is in County Mayo, in the west, where weather arrives straight off the Atlantic. Expect changeable days, more rain and wind than the east, and bright spells between the showers.

Ballycastle, Co. Mayo is in County Mayo, at about 54.28°N, 9.38°W. The closest places we cover are Enniscrone (20 km), Crossmolina (20 km), Ballina, Co. Mayo (23 km).

Across Ireland, spring is cool and bright with showers, summer highs are typically in the high teens with long evenings, autumn is the wettest and windiest stretch as the Atlantic fronts return, and winter is mild for the latitude with frost on clear nights. Rain can arrive in any month.

Quick answers for Ballycastle, Co. Mayo

What is the weather in Ballycastle, Co. Mayo right now?
It is 6°C in Ballycastle, Co. Mayo with clear sky, feeling like 5°C, with wind at 6 km/h.
Will it rain in Ballycastle, Co. Mayo tomorrow?
Rain is unlikely tomorrow in Ballycastle, Co. Mayo (a 0% chance).
What will the temperature be in Ballycastle, Co. Mayo tomorrow?
A high of 13°C and a low of 4°C, with wind around 12 km/h.
What time is sunset in Ballycastle, Co. Mayo today?
Sunrise is at 08:09 and sunset at 18:36.

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