County Antrim Weather Forecast
County Antrim weather: 55°F, partly cloudy. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Snow forecast for County Antrim
No snow is in the current forecast window for County Antrim.
0 of the next 16 nights are forecast to reach freezing.
Average monthly lows here stay above freezing all year, so lying snow is rare.
16-day forecast for County Antrim
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Fri, Aug 21 | ☁️ Overcast | 62° / 51° | 47% | 10 mph | 3 |
| Sat, Aug 22 | ⛅ Partly cloudy | 64° / 46° | 8% | 9 mph | 4 |
| Sun, Aug 23 | ☁️ Overcast | 64° / 49° | 10% | 5 mph | 5 |
| Mon, Aug 24 | ☁️ Overcast | 66° / 44° | 3% | 12 mph | 5 |
| Tue, Aug 25 | ☁️ Overcast | 66° / 57° | 27% | 17 mph | 3 |
| Wed, Aug 26 | 🌦️ Light drizzle | 63° / 55° | 61% · 0,0 in | 12 mph | 2 |
| Thu, Aug 27 | 🌦️ Light rain | 62° / 58° | 57% · 0,5 in | 12 mph | 4 |
| Fri, Aug 28 | 🌦️ Light drizzle | 64° / 55° | 63% · 0,0 in | 12 mph | 4 |
| Sat, Aug 29 | 🌦️ Light drizzle | 60° / 53° | 60% · 0,1 in | 11 mph | 3 |
| Sun, Aug 30 | 🌦️ Drizzle | 59° / 52° | 67% · 0,2 in | 14 mph | 2 |
| Mon, Aug 31 | 🌦️ Drizzle | 60° / 56° | 57% · 0,2 in | 15 mph | 4 |
| Tue, Sep 1 | 🌦️ Light drizzle | 62° / 54° | 59% · 0,1 in | 13 mph | 4 |
| Wed, Sep 2 | 🌦️ Light drizzle | 63° / 55° | 59% · 0,1 in | 16 mph | 4 |
| Thu, Sep 3 | 🌦️ Drizzle | 63° / 59° | 63% · 0,2 in | 16 mph | 2 |
| Fri, Sep 4 | 🌦️ Light drizzle | 63° / 57° | — · 0,1 in | 22 mph | 4 |
| Sat, Sep 5 | ☀️ Clear sky | -- / -- | — | -- | 4 |
Climate in County Antrim 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 | 43° | 37° | 3,7 in | ★★☆☆☆ |
| February | 46° | 39° | 3,4 in | ★★★☆☆ |
| March | 50° | 40° | 3,3 in | ★★★☆☆ |
| April | 54° | 43° | 3,5 in | ★★★☆☆ |
| May | 60° | 49° | 3,7 in | ★★★★☆ |
| June | 62° | 52° | 5,3 in | ★★★★☆ |
| July | 65° | 55° | 3,0 in | ★★★★☆ |
| August | 64° | 55° | 3,4 in | ★★★★☆ |
| September | 60° | 51° | 4,6 in | ★★★★☆ |
| October | 55° | 49° | 3,9 in | ★★★☆☆ |
| November | 49° | 42° | 3,4 in | ★★★☆☆ |
| December | 47° | 41° | 4,8 in | ★★☆☆☆ |
Climate type: Temperate. Source: Open-Meteo archive (ERA5).
What to pack, what to skip
- A packable rain shell - 3 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 Antrim forecast by time range
County Antrim weather - more answers
Explore County Antrim
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Frequently asked questions
Where is County Antrim?
County Antrim is a county in Northern Ireland. Its coordinates are 54.7195, -6.2072. It lies in Europe.
What is the weather like in County Antrim right now?
It is currently 55°F (13°C) with partly cloudy. Humidity is 74% and wind is 6 mph.
When is the best time to visit County Antrim?
July and August offer the most comfortable conditions in County Antrim, which has a temperate climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is County Antrim in?
County Antrim observes Europe/London (UTC+01:00). The local time is 2:49 PM.
How many people live in County Antrim?
County Antrim has a population of approximately 620.000.
What is the nearest airport to County Antrim?
The closest airports are Dublin Airport (DUB), 90 mi away.
What are the top things to do in County Antrim?
Popular options include Lake District National Park, Edinburgh Castle, Old and New Towns of Edinburgh, Snowdonia National Park, Isle of Skye and Loch Ness.
What places are in County Antrim?
County Antrim covers 1 places in this atlas, including Belfast.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (uk-regions) - 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 21, 2026 at 2:49 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
