Halloween weather in Ireland: the honest forecast
Halloween is Saturday 31 October 2026, in 14 days. That is beyond the reach of a reliable forecast, so here is what the weather is usually like and when to check back.
The real forecast for this will appear on this page from about Monday 26 October. Until then, anything claiming to know is guessing.
What is Halloween weather usually like?
Halloween night is usually cool and damp, with temperatures of 6 to 10°C after dark and a fair chance of rain. It is also dark by about five in the evening, so costumes are best with a coat underneath.
What to do about it
Bring a waterproof for trick-or-treating and keep fireworks and bonfires well away from dry leaves and buildings.
Quick answers: Halloween
- Is Halloween usually wet in Ireland?
- Often damp or showery. Temperatures after dark are usually 6 to 10°C, so a coat over the costume is a good idea.
- Is it safe for trick-or-treating if it is windy?
- Strong wind makes masks, hats and torches harder to manage. Keep children close and avoid fires and fireworks in gusty weather.
- What time is it dark?
- By about five in the evening around Halloween, so plan to be home or lit up by then.