15-Day Weather Forecast - Galway
15-day weather forecast for Galway: temperatures from 10°C (50°F) to 19°C (66°F). Average daily high 16°C (61°F) over the next 15 days.
Hourly Forecast by Day
15-Day Temperature Trend
15-Day Weather Forecast
Updated just nowWeather Insight
Galway's 15-day outlook ranges from a low of 10°C to a high of 19°C, with an average daytime high near 16°C. That's 1° below the long-term average high of 17°C for this time of year. It continues a recent pattern — 11 of the last 28 days with published data have run cooler than normal. Air quality is currently Moderate (AQI 54), driven mainly by PM2.5 at 9.9 μg/m³.
Today vs Normal
The long-term average high for today is 17°C.
11 of the last 28 days with published data ran above normal.
That's a break from the pattern - today's forecast runs above normal even though the recent stretch mostly ran below.
Red = above normal, blue = at or below · last 12 days
Air Quality
Air quality is acceptable for most people. Unusually sensitive individuals should consider reducing prolonged or heavy outdoor exertion.
Extended Outlook for Galway
Over the next 15 days, Galway is forecast to see temperatures ranging from 9°C to 19°C, averaging a daily high of 16°C. The extended outlook indicates significant rainfall totalling 39.7 mm spread across 12 days. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.