See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
12°
Overcast
Feels Like: 11°
Min: 11°
Max: 16°
The next few hours will be overcast, with today reaching 16°C and dropping to 11°C. The coming days will be drizzle
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:37
Sunrise
19:18
Sunset
Moon
Waxing Gibbous
18:53
Moonrise
05:49
Moonset
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View stargazing scoreWeather in Castlebar today, September 25, 2026
Castlebar looks cloudy on September 25, 2026, with grey skies for much of the day. Sunshine stays limited, so the overall tone is muted from the morning onward. Cloud leads the morning, peaking close to 100% near 07:00. Sunshine has little room until later in the day.
The day peaks near 16°C and cools toward 11°C. Moisture in the air spans 64%-88%, with the highest values around 09:00. Airflow remains manageable, reaching about 7.0 km/h around 15:00.
Through the afternoon wet weather remains a factor, with rain chances near 42% around 23:00. Cloud also stays substantial, close to 100% near 13:00. Expect visibility near 32.1 km, with poorer spells close to 24.2 km. Expect sunrise at 07:37, sunset at 19:18, and 11 hours 40 minutes of sunlight today overall.
Overall, Castlebar on September 25, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 42% and the high sits around 16°C.
Frequently asked questions about weather in Castlebar
How warm does it get in Castlebar?
The warmest month in Castlebar is July, with average high temperatures of 18°C. The average temperature during this period is around 15°C.
How cold does it get in Castlebar?
The coldest month in Castlebar is January, with average low temperatures of 4°C. The average temperature during this period is around 6°C.
What is the wettest time of year in Castlebar?
The wettest month in Castlebar is October, with an average of 124mm of precipitation.
What is the driest time of year in Castlebar?
The driest month in Castlebar is May, with an average of 71mm of precipitation.
