Dundonald

Lisburn and Castlereagh, Northern Ireland, United Kingdom

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Current Weather

14°

Partly Cloudy

Feels Like: 14°

Min: 11°

Max: 15°

The next few hours will be mostly cloudy, with today reaching 15°C and dropping to 11°C. The coming days will be drizzle

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Hourly Forecast

13° 14° 15° 15° 15° 15° 15° 14° 13° 13° 13° 13° 13° 14° 14° 14° 14° 13° 12° 11° 11° 11° 11° 12°
40%
40%
98%
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
1am
2am
3am
4am
5am
6am
7am
8am
9am
Today
Tomorrow

Daylight Hours

07:07

Sunrise

19:27

Sunset

12 hours 20 minutes of sunlight today

Moon

Waxing Crescent

14:03

Moonrise

20:42

Moonset

Daily Forecast

Today

11°
15°

Thursday

11°
14°

Friday

10°
16°

Saturday

11°
16°

Sunday

14°

Monday

13°
19°

Tuesday

13°
17°

Wednesday

11°
17°

Thursday

11°
17°

Friday

10°
18°

Air Quality Data Available

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UV Index

No protection needed
1 Low
Low Extreme

Humidity

80% Humid
Low High

Weather in Dundonald today, September 16, 2026

Expect unsettled, showery conditions in Dundonald on September 16, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans. The first half of the day looks overcast, as cloud amounts reach about 90% around 11:00. Brighter weather, if it comes, waits until later.

The day peaks near 15°C and cools toward 11°C. Relative humidity sits between 71% and 90%, reaching its peak around 21:00. Winds stay light, near 6.5 km/h by 23:00, so the day feels still more than breezy.

Expect the wet theme to continue later, as rain odds reach 98% near 23:00. Cloud amounts hold near 100% around 13:00. Horizontal visibility sits around 30.8 km, briefly nearer 21.0 km. The sun rises at 07:07 and sets at 19:27, for a total of 12 hours 20 minutes of sunlight today.

Taken together, Dundonald looks wet enough on September 16, 2026 that flexible outdoor plans work best, with temperatures peaking near 15°C.

Frequently asked questions about weather in Dundonald

How warm does it get in Dundonald?

The warmest month in Dundonald is August, with average high temperatures of 17°C. The average temperature during this period is around 15°C.

How cold does it get in Dundonald?

The coldest month in Dundonald is January, with average low temperatures of 5°C. The average temperature during this period is around 6°C.

What is the wettest time of year in Dundonald?

The wettest month in Dundonald is October, with an average of 105mm of precipitation.

What is the driest time of year in Dundonald?

The driest month in Dundonald is May, with an average of 61mm of precipitation.

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Metric (°C, km/h)