County Cavan Weather Forecast
County Cavan weather: 51°F, clear. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Summary
County Cavan is a county in Ireland. County Cavan is a county in Ireland. It has a population of about 81.000.
Right now it is 51°F (11°C) in County Cavan with clear. It feels like 50°F. Today runs from 51°F to 65°F. Chance of precipitation is 4%. Sightseeing conditions score 9/10 - excellent - go now.
The best time to visit County Cavan is July and August. The climate is temperate. January, February and December tend to be the least comfortable months. July is the warmest month with average highs near 67°F, while January is the coldest with lows near 35°F.
The closest major airport is Dublin Airport (DUB), about 59 mi away. Nearby highlights include Snowdonia National Park, Lake District National Park, Edinburgh Castle and Old and New Towns of Edinburgh.
In plain terms. Today is about average for August. The forecast high of 65°F is in line with the 66°F typical for this month. The best window to be outside is roughly 5 PM to 8 PM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in County Cavan today at 9.9/10. 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 Cavan right now
Source: Open-Meteo. Updated 2:09 AM, Aug 23 local time.
See the County Cavan forecast by time range
Next 24 hours
Hour-by-hour temperature, precipitation chance and wind.
16-day forecast for County Cavan
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Sun, Aug 23 | ☁️ Overcast | 65° / 51° | 4% | 6 mph | 3 |
| Mon, Aug 24 | 🌦️ Light drizzle | 71° / 48° | 12% · 0,0 in | 11 mph | 4 |
| Tue, Aug 25 | 🌦️ Light rain | 63° / 57° | 44% · 0,3 in | 13 mph | 4 |
| Wed, Aug 26 | 🌦️ Light rain | 69° / 59° | 71% · 0,2 in | 11 mph | 3 |
| Thu, Aug 27 | 🌦️ Light rain | 69° / 57° | 87% · 0,3 in | 11 mph | 4 |
| Fri, Aug 28 | 🌧️ Rain | 63° / 58° | 65% · 0,7 in | 11 mph | 3 |
| Sat, Aug 29 | 🌦️ Light drizzle | 64° / 58° | 52% · 0,1 in | 18 mph | 2 |
| Sun, Aug 30 | 🌦️ Light drizzle | 65° / 54° | 51% · 0,0 in | 10 mph | 2 |
| Mon, Aug 31 | 🌥️ Fog | 63° / 51° | 53% | 5 mph | 3 |
| Tue, Sep 1 | ☁️ Overcast | 61° / 50° | 45% | 8 mph | 5 |
| Wed, Sep 2 | 🌦️ Light drizzle | 62° / 50° | 49% · 0,0 in | 6 mph | 4 |
| Thu, Sep 3 | 🌦️ Light drizzle | 64° / 52° | 53% · 0,1 in | 16 mph | 1 |
| Fri, Sep 4 | 🌦️ Light drizzle | 64° / 57° | 61% · 0,1 in | 23 mph | 2 |
| Sat, Sep 5 | 🌦️ Drizzle | 64° / 53° | 67% · 0,2 in | 15 mph | 3 |
| Sun, Sep 6 | ☀️ Clear sky | -- / -- | — | -- | 3 |
| Mon, Sep 7 | ☀️ Clear sky | -- / -- | — | -- | — |
Climate in County Cavan 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 | 44° | 35° | 3,5 in | ★★☆☆☆ |
| February | 48° | 39° | 3,7 in | ★★★☆☆ |
| March | 51° | 39° | 3,1 in | ★★★☆☆ |
| April | 55° | 42° | 4,0 in | ★★★☆☆ |
| May | 61° | 47° | 3,0 in | ★★★★☆ |
| June | 63° | 51° | 4,2 in | ★★★★☆ |
| July | 67° | 54° | 2,6 in | ★★★★☆ |
| August | 66° | 54° | 2,7 in | ★★★★☆ |
| September | 62° | 50° | 4,2 in | ★★★★☆ |
| October | 56° | 47° | 4,6 in | ★★★☆☆ |
| November | 49° | 41° | 3,5 in | ★★★☆☆ |
| December | 48° | 40° | 3,7 in | ★★★☆☆ |
Climate type: Temperate. Source: Open-Meteo archive (ERA5).
Weather map for County Cavan
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 Cavan
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 Cavan
Go in July and August. 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.
Explore County Cavan
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 Cavan?
County Cavan is a county in Ireland. Its coordinates are 53.9908, -7.3606. It lies in Europe.
What is the weather like in County Cavan right now?
It is currently 51°F (11°C) with clear. Humidity is 86% and wind is 2 mph.
When is the best time to visit County Cavan?
July and August offer the most comfortable conditions in County Cavan, which has a temperate climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is County Cavan in?
County Cavan observes Europe/Dublin (UTC+01:00). The local time is 2:09 AM.
How many people live in County Cavan?
County Cavan has a population of approximately 81.000.
What is the nearest airport to County Cavan?
The closest airports are Dublin Airport (DUB), 59 mi away.
What are the top things to do in County Cavan?
Popular options include Snowdonia National Park, Lake District National Park, Edinburgh Castle, Old and New Towns of Edinburgh and Isle of Skye.
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 2:09 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
