Northern Ireland

Portrush Rain Forecast

Causeway Coast and Glens — Precipitation & Rainfall

Portrush Rain Outlook

In Portrush today, outbreaks of rain affecting most areas at some point is the headline message for the day ahead.

Over the next two weeks, the rainfall picture across Portrush is shaped by frequent showers and little opportunity for prolonged dry periods. The background rainfall pattern looks likely to remain broadly similar to recent weeks.

Current & Today

Now

Precipitation0.15 mm
Humidity63%
Cloud Cover50%

Today

Total Rain2.80 mm
Rain Chance77%
Snow Chance0%
Snow Total0.0 cm

Today’s Hourly Rain Chance

14-Day Precipitation

Fri
5 Jun
77%
2.80 mm
0% snow
Sat
6 Jun
94%
3.75 mm
0% snow
Sun
7 Jun
95%
16.58 mm
0% snow
Mon
8 Jun
75%
2.97 mm
0% snow
Tue
9 Jun
73%
1.57 mm
0% snow
Wed
10 Jun
94%
4.66 mm
0% snow
Thu
11 Jun
73%
0.80 mm
0% snow
Fri
12 Jun
73%
0.56 mm
0% snow
Sat
13 Jun
89%
3.59 mm
0% snow
Sun
14 Jun
95%
3.94 mm
0% snow
Mon
15 Jun
91%
2.88 mm
0% snow
Tue
16 Jun
94%
2.12 mm
0% snow
Wed
17 Jun
95%
3.07 mm
0% snow
Thu
18 Jun
4%
0.00 mm
0% snow

Rain Charts

Forecast charts summarise likely conditions, but day-to-day outcomes in the UK often depend on how the larger pressure pattern evolves. Use the context links below to interpret the signal more reliably.

How to interpret confidence

For how forecast reliability changes with lead time, see Forecast Confidence. For transparency on how WeatherEngland sources and updates data, see Methodology.

Background guides

Glossary support

Start with the Weather Glossary. Useful terms for this page include Weather Front, Cold Front, Warm Front, Occluded Front, Relative Humidity, and Dew Point.

FAQ

Will it rain in Portrush today?

Rain risk in Portrush today is around 77%. Timing can vary locally, especially with showers and passing fronts.

What is the chance of rain in Portrush over the next 14 days?

The 14-day rain outlook for Portrush shows day-by-day rain chances and an overall wet/dry signal. Use the first few days for detail and the later period for broader risk.

What does ‘chance of rain’ mean for Portrush?

It’s the likelihood of measurable precipitation at some point — it does not mean it will rain continuously or everywhere in the area.

When is rain timing most reliable in Portrush?

Timing is usually most reliable in the next 24–72 hours. Beyond that, use the outlook to understand overall risk rather than exact hours.

Does the rain forecast for Portrush include showers and drizzle?

Yes — the precipitation outlook covers all measurable precipitation types. Light drizzle can be harder to pin down precisely than organised rain bands.