County Roscommon Weather Forecast
County Roscommon weather: 53°F, overcast. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Summary
County Roscommon is a county in Ireland. County Roscommon is a county in Ireland. It has a population of about 70.000.
Right now it is 53°F (12°C) in County Roscommon with overcast. It feels like 51°F. Today runs from 46°F to 62°F. Chance of precipitation is 12%. Sightseeing conditions score 8.9/10 - excellent - go now.
The best time to visit County Roscommon 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 66°F, while January is the coldest with lows near 35°F.
The closest major airport is Dublin Airport (DUB), about 85 mi away. Nearby highlights include Snowdonia National Park and Lake District National Park.
In plain terms. Today is slightly cooler than average for August. The forecast high of 62°F is 3.4°F below 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. fishing is the strongest bet in County Roscommon today at 9.5/10. 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 Roscommon right now
Source: Open-Meteo. Updated 3:44 PM, Aug 22 local time.
See the County Roscommon forecast by time range
Next 24 hours
Hour-by-hour temperature, precipitation chance and wind.
16-day forecast for County Roscommon
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Sat, Aug 22 | ☁️ Overcast | 62° / 46° | 12% | 10 mph | 3 |
| Sun, Aug 23 | ☁️ Overcast | 65° / 45° | 8% | 6 mph | 3 |
| Mon, Aug 24 | ☁️ Overcast | 69° / 48° | 10% | 10 mph | 5 |
| Tue, Aug 25 | 🌦️ Light drizzle | 65° / 56° | 43% · 0,0 in | 11 mph | 5 |
| Wed, Aug 26 | ☁️ Overcast | 69° / 56° | 75% | 11 mph | 4 |
| Thu, Aug 27 | 🌧️ Heavy drizzle | 68° / 58° | 78% · 0,2 in | 19 mph | 5 |
| Fri, Aug 28 | 🌦️ Light drizzle | 62° / 53° | 55% · 0,2 in | 16 mph | 4 |
| Sat, Aug 29 | 🌦️ Light drizzle | 61° / 56° | 76% · 0,1 in | 16 mph | 0 |
| Sun, Aug 30 | 🌦️ Light drizzle | 61° / 54° | 69% · 0,0 in | 11 mph | 3 |
| Mon, Aug 31 | ⛅ Partly cloudy | 62° / 49° | 65% | 11 mph | 4 |
| Tue, Sep 1 | ☁️ Overcast | 60° / 47° | 59% | 7 mph | 3 |
| Wed, Sep 2 | 🌦️ Light drizzle | 60° / 48° | 65% · 0,0 in | 7 mph | 4 |
| Thu, Sep 3 | 🌦️ Light showers | 64° / 49° | 49% · 0,4 in | 18 mph | 5 |
| Fri, Sep 4 | 🌦️ Light showers | 65° / 56° | 49% · 0,4 in | 15 mph | 4 |
| Sat, Sep 5 | ☀️ Clear sky | -- / -- | — | -- | 0 |
| Sun, Sep 6 | ☀️ Clear sky | -- / -- | — | -- | — |
Climate in County Roscommon 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° | 3,7 in | ★★☆☆☆ |
| February | 48° | 39° | 4,1 in | ★★★☆☆ |
| March | 51° | 39° | 3,7 in | ★★★☆☆ |
| April | 55° | 41° | 4,3 in | ★★★☆☆ |
| May | 61° | 47° | 2,9 in | ★★★★☆ |
| June | 63° | 50° | 4,4 in | ★★★★☆ |
| July | 66° | 53° | 2,6 in | ★★★★☆ |
| August | 65° | 53° | 3,4 in | ★★★★☆ |
| September | 61° | 50° | 4,0 in | ★★★★☆ |
| October | 56° | 47° | 4,9 in | ★★★☆☆ |
| November | 50° | 41° | 4,2 in | ★★★☆☆ |
| December | 48° | 40° | 4,7 in | ★★☆☆☆ |
Climate type: Temperate. Source: Open-Meteo archive (ERA5).
Weather map for County Roscommon
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 Roscommon
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 Roscommon
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 Roscommon
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 Roscommon?
County Roscommon is a county in Ireland. Its coordinates are 53.7593, -8.2682. It lies in Europe.
What is the weather like in County Roscommon right now?
It is currently 53°F (12°C) with overcast. Humidity is 83% and wind is 5 mph.
When is the best time to visit County Roscommon?
July and August offer the most comfortable conditions in County Roscommon, which has a temperate climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is County Roscommon in?
County Roscommon observes Europe/Dublin (UTC+01:00). The local time is 3:44 PM.
How many people live in County Roscommon?
County Roscommon has a population of approximately 70.000.
What is the nearest airport to County Roscommon?
The closest airports are Dublin Airport (DUB), 85 mi away.
What are the top things to do in County Roscommon?
Popular options include Snowdonia National Park and Lake District National Park.
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 22, 2026 at 3:44 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.





