County Mayo Weather Forecast
County Mayo weather: 54°F, overcast. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Summary
County Mayo is a county in Ireland. County Mayo is a county in Ireland. It has a population of about 138.000.
Right now it is 54°F (12°C) in County Mayo with overcast. It feels like 53°F. Today runs from 50°F to 64°F. Chance of precipitation is 0%. Sightseeing conditions score 9.4/10 - excellent - go now.
The best time to visit County Mayo is July. The climate is temperate. January, February and December tend to be the least comfortable months. July is the warmest month with average highs near 65°F, while January is the coldest with lows near 37°F.
The closest major airport is Dublin Airport (DUB), about 127 mi away. Nearby highlights include Snowdonia National Park.
In plain terms. Today is about average for August. The forecast high of 64°F is in line with the 65°F typical for this month. The best window to be outside is roughly 4 PM to 7 PM, when temperature, rain chance and wind line up best. hiking is the strongest bet in County Mayo today at 9.8/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Weather in County Mayo right now
Source: Open-Meteo. Updated 5:02 AM, Aug 23 local time.
See the County Mayo forecast by time range
Next 24 hours
Hour-by-hour temperature, precipitation chance and wind.
16-day forecast for County Mayo
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Sun, Aug 23 | ☁️ Overcast | 64° / 50° | 0% | 5 mph | 3 |
| Mon, Aug 24 | 🌦️ Light drizzle | 70° / 46° | 24% · 0,0 in | 11 mph | 4 |
| Tue, Aug 25 | 🌧️ Heavy drizzle | 61° / 52° | 49% · 0,4 in | 6 mph | 4 |
| Wed, Aug 26 | 🌧️ Heavy drizzle | 67° / 53° | 71% · 0,0 in | 10 mph | 5 |
| Thu, Aug 27 | 🌧️ Heavy drizzle | 71° / 60° | 86% · 0,2 in | 13 mph | 1 |
| Fri, Aug 28 | 🌧️ Heavy drizzle | 64° / 59° | 69% · 0,2 in | 13 mph | 4 |
| Sat, Aug 29 | 🌦️ Light drizzle | 65° / 58° | 54% · 0,0 in | 12 mph | 1 |
| Sun, Aug 30 | 🌦️ Light drizzle | 63° / 55° | 62% · 0,0 in | 10 mph | 3 |
| Mon, Aug 31 | 🌥️ Fog | 62° / 51° | 61% | 10 mph | 3 |
| Tue, Sep 1 | ☁️ Overcast | 62° / 53° | 45% | 6 mph | 3 |
| Wed, Sep 2 | 🌦️ Light drizzle | 62° / 49° | 49% · 0,0 in | 6 mph | 4 |
| Thu, Sep 3 | 🌦️ Drizzle | 61° / 54° | 55% · 0,3 in | 16 mph | 1 |
| Fri, Sep 4 | 🌦️ Drizzle | 63° / 57° | 49% · 0,3 in | 22 mph | 2 |
| Sat, Sep 5 | 🌦️ Drizzle | 62° / 54° | 64% · 0,2 in | 14 mph | 3 |
| Sun, Sep 6 | ☀️ Clear sky | -- / -- | — | -- | 3 |
| Mon, Sep 7 | ☀️ Clear sky | -- / -- | — | -- | — |
Climate in County Mayo month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 45° | 37° | 4,8 in | ★★☆☆☆ |
| February | 48° | 40° | 4,8 in | ★★★☆☆ |
| March | 51° | 40° | 3,9 in | ★★★☆☆ |
| April | 55° | 43° | 4,7 in | ★★★☆☆ |
| May | 61° | 48° | 3,0 in | ★★★★☆ |
| June | 62° | 51° | 5,2 in | ★★★★☆ |
| July | 65° | 54° | 2,8 in | ★★★★☆ |
| August | 65° | 55° | 4,4 in | ★★★★☆ |
| September | 61° | 51° | 4,3 in | ★★★★☆ |
| October | 56° | 48° | 6,3 in | ★★★☆☆ |
| November | 51° | 43° | 5,4 in | ★★★☆☆ |
| December | 48° | 41° | 6,1 in | ★★☆☆☆ |
Climate type: Temperate. Source: Open-Meteo archive (ERA5).
Weather map for County Mayo
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Air quality and pollen in County Mayo
Pollen today
Pollen is modelled for Europe only; other regions show no values.
Air quality: Open-Meteo (CAMS). US AQI scale.
Sun, twilight and moon
Golden and blue hour are the standard photographic approximation around sunrise and sunset.
Best time to visit County Mayo
Go in July. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, February and December - expect the least comfortable mix of heat, cold or rain.
Weather by city in County Mayo
1 cities mapped in this atlas
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 54°F (12°C) with overcast. Humidity is 92% 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 5:02 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 23, 2026 at 5:02 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
