See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
12°
Light Rain
Feels Like: 12°
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
07:26
Sunrise
19:06
Sunset
Moon
Waxing Gibbous
18:41
Moonrise
05:36
Moonset
Daily Forecast
Today
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Air Quality Data Available
Upgrade to access real-time air quality data for Dundalk.
Resources
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Dundalk.
View stargazing scoreWeather in Dundalk today, September 25, 2026
Expect unsettled, showery conditions in Dundalk on September 25, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans. Morning plans should assume damp conditions, as rain chances climb toward 84% around 04:00. Cloud cover is also at its densest near 04:00 at roughly 100%.
Temperatures climb from an overnight low near 11°C toward a daytime high of about 16°C. Moisture in the air spans 68%-93%, with the highest values around 05:00. Expect gentle winds, highest near 17:00 at 4.0 km/h.
The afternoon should feel quieter than the damp start, with rain probability easing to about 0% after morning values near 84%. Cloud cover stays around 100% by 12:00. Visibility holds near 29.6 km, though it can fall to 17.2 km. Expect sunrise at 07:26, sunset at 19:06, and 11 hours 40 minutes of sunlight today overall.
Taken together, Dundalk looks wet enough on September 25, 2026 that flexible outdoor plans work best, with temperatures peaking near 16°C.
Frequently asked questions about weather in Dundalk
How warm does it get in Dundalk?
The warmest month in Dundalk is July, with average high temperatures of 19°C. The average temperature during this period is around 16°C.
How cold does it get in Dundalk?
The coldest month in Dundalk is January, with average low temperatures of 3°C. The average temperature during this period is around 5°C.
What is the wettest time of year in Dundalk?
The wettest month in Dundalk is August, with an average of 91mm of precipitation.
What is the driest time of year in Dundalk?
The driest month in Dundalk is January, with an average of 63mm of precipitation.