County Mayo Weather Forecast
County Mayo weather: 53°F, overcast. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
14-day forecast for County Mayo
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Tue, Aug 25 | 🌧️ Heavy drizzle | 69° / 50° | 69% · 0,1 in | 10 mph | 4 |
| Wed, Aug 26 | 🌧️ Showers | 66° / 57° | 91% · 0,5 in | 11 mph | 2 |
| Thu, Aug 27 | 🌥️ Fog | 68° / 58° | 89% | 10 mph | 5 |
| Fri, Aug 28 | 🌦️ Light drizzle | 67° / 59° | 50% · 0,0 in | 9 mph | 5 |
| Sat, Aug 29 | 🌦️ Drizzle | 65° / 56° | 53% · 0,2 in | 15 mph | 5 |
| Sun, Aug 30 | 🌦️ Drizzle | 61° / 54° | 90% · 0,2 in | 11 mph | 5 |
| Mon, Aug 31 | 🌦️ Light drizzle | 61° / 56° | 51% · 0,2 in | 17 mph | 4 |
| Tue, Sep 1 | 🌦️ Drizzle | 65° / 55° | 73% · 0,2 in | 18 mph | 5 |
| Wed, Sep 2 | 🌦️ Drizzle | 60° / 55° | 57% · 0,3 in | 20 mph | 4 |
| Thu, Sep 3 | 🌦️ Light drizzle | 58° / 54° | 54% · 0,2 in | 16 mph | 4 |
| Fri, Sep 4 | 🌦️ Light drizzle | 66° / 56° | 65% · 0,1 in | 16 mph | 3 |
| Sat, Sep 5 | 🌦️ Light drizzle | 62° / 56° | 46% · 0,1 in | 19 mph | 5 |
| Sun, Sep 6 | 🌦️ Light drizzle | 60° / 55° | 40% · 0,0 in | 20 mph | 1 |
| Mon, Sep 7 | 🌦️ Light drizzle | 64° / 54° | 43% · 0,0 in | 15 mph | 2 |
The two-week trend
Cooling. The second half of the window averages 35°F cooler than the days immediately ahead.
The window averages 64°F against a August normal of 65°F - right on average.
Rainfall over the next 7 days is close to normal for August (1,2 in against a typical 1,0 in).
What this means for County Mayo
Today is slightly warmer than average for August. The forecast high of 69°F is 4.3°F above the 65°F typical for this month.
A 69% chance means rain is expected over most of the area. Plan indoor alternatives.
Wet roads are likely; braking distances roughly double in heavy rain.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 51°F.
What to pack, what to skip
- A packable rain shell - 7 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid January, February and December - historically the least comfortable months here.
See the County Mayo forecast by time range
County Mayo weather - more answers
Explore County Mayo
Every topic we hold for this place, and the same topic for the places around it.
Weather for related places
Frequently asked questions
Where is County Mayo?
County Mayo is a county in Ireland. Its coordinates are 53.8008, -9.3. It lies in Europe.
What is the weather like in County Mayo right now?
It is currently 53°F (12°C) with overcast. Humidity is 86% and wind is 3 mph.
When is the best time to visit County Mayo?
July offer the most comfortable conditions in County Mayo, which has a temperate climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is County Mayo in?
County Mayo observes Europe/Dublin (UTC+01:00). The local time is 3:11 AM.
How many people live in County Mayo?
County Mayo has a population of approximately 138.000.
What is the nearest airport to County Mayo?
The closest airports are Dublin Airport (DUB), 127 mi away.
What are the top things to do in County Mayo?
Popular options include Snowdonia National Park.
What places are in County Mayo?
County Mayo covers 1 places in this atlas, including Westport.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (ie-counties) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 25, 2026 at 3:11 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
