Tomorrow's Weather Forecast - Cork

Tomorrow's weather in Cork. high 20°C (68°F), low 16°C (61°F). Rainy.

Tomorrow’s Outlook

Tomorrow brings a similar temperature to today. Expect heavy rain in the morning and afternoon and evening, with rain chances climbing as high as 87%. That risk lines up with humidity averaging 87% through the day the more moisture in the air, the more readily clouds build into showers. Humidity holds around 87%, giving the air a damp, heavy feel even without much heat behind it. A light breeze near 23 km/h is expected. Sunrise is at 7:03 AM and sunset at 7:55 PM, for about 12h 52m of daylight.

Tomorrow
20°/ 16°
Today20° / 14°

Tomorrow’s Hourly Weather Outlook

Morning6 AM – Noon18°
Rain probability
85%
Wind speed
23 km/h
AfternoonNoon – 6 PM20°
Rain probability
87%
Wind speed
17 km/h
Evening6 PM – Midn18°
Rain probability
74%
Wind speed
8 km/h
NightMidn – 6 AM17°
Rain probability
24%
Wind speed
21 km/h

24-Hour Rain & Temperature Forecast

Tomorrow12 Sep
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Temperature · peaks at +20°C

Planning Advice for Tomorrow

Clothing
Waterproof jacket and umbrella strongly recommended.
Outdoor
Not ideal for outdoor plans or car washes — heavy rain expected.
Travel
Expect traffic slowdowns from wet roads. Allow extra time.

Sunrise & Sunset

Sunrise
Dawn 6:33 AM
Total Daylight
Full day forecastSolar noon 1:29 PM
Sunset
Dusk 8:25 PM
vs today-4 min daylight
Sunrise shift2 min later
Sunset shift2 min earlier

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Cork is forecast to reach a high of 20°C tomorrow, with an overnight low around 16°C. That's 4° above the long-term average high of 16°C for this time of year. It continues a recent pattern — 16 of the last 19 days with published data have run warmer than normal. Expect a high chance of rain (87% probability) and moderate breezes averaging 23 km/h. Air quality is currently good (AQI 30), with no notable outdoor health concerns.

Today vs Normal

20°C+3° above normal

The long-term average high for today is 17°C.

16 of the last 19 days with published data ran above normal.

It continues that pattern - today's forecast is also running above normal.

2026-08-19: 18°C18°2026-08-20: 17°C17°2026-08-21: 17°C17°2026-08-22: 18°C18°2026-08-23: 19°C19°2026-08-24: 20°C20°2026-08-25: 18°C18°2026-08-26: 20°C20°2026-08-27: 18°C18°2026-08-28: 20°C20°2026-08-29: 19°C19°2026-08-30: 18°C18°

Red = above normal, blue = at or below · last 12 days

Air Quality

Air Quality
Good

Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.