Lisburn and Castlereagh, United Kingdom Weather

Lisburn and Castlereagh,  Weather
(Photo by Freddie on Unsplash)

Current conditions

Updated:
15°C
59.0°F
°C °F

Condition: Overcast

Pressure: 1,013 hPa

Feel like: 11 °C

Temperature: 15°C

Cloud: 100%

Humidity: 58%

Wind: SW - 16 km/h

Visibility: 44.6 km

Weather forecast

Sat
26 Sep
9°C / 15°C
Drizzle Dense Intensity
Sun
27 Sep
6°C / 15°C
Overcast
Mon
28 Sep
11°C / 17°C
Slight Rain
Tue
29 Sep
13°C / 18°C
Drizzle
Wed
30 Sep
9°C / 15°C
Drizzle
Hourly forecast today:
14:00 PM
7° / 15°
7° / 15°
Overcast
58% 32 km/h
15:00 PM
6° / 15°
6° / 15°
Overcast
56% 30 km/h
16:00 PM
6° / 15°
6° / 15°
Overcast
55% 29 km/h
17:00 PM
8° / 12°
8° / 12°
Drizzle
76% 29 km/h
18:00 PM
7° / 11°
7° / 11°
Clear Sky
76% 16 km/h
19:00 PM
7° / 11°
7° / 11°
Clear Sky
79% 20 km/h
20:00 PM
6° / 11°
6° / 11°
Clear Sky
73% 21 km/h
21:00 PM
7° / 11°
7° / 11°
Partly Cloudy
72% 24 km/h
22:00 PM
7° / 12°
7° / 12°
Overcast
72% 29 km/h
23:00 PM
7° / 11°
7° / 11°
Partly Cloudy
75% 28 km/h
00:00 AM
7° / 11°
7° / 11°
Partly Cloudy
77% 32 km/h

30 Day Averages and Extremes

  • Average high 15.1°C
  • Average low 10.0°C
  • Hottest day 22°C (20 September 2026)
  • Coldest day 0°C (08 October 2026)
  • Average humidity 78.13%
  • Days with precipitation 26 days
  • Highest precipitation 59 mm (14 September 2026)

Yesterday's Data

  • Max: 15°C
  • Min: 11°C
  • Total Precipitation: 3 mm

Temperature and possibility of rain in Lisburn and Castlereagh over the next 12 hours

Temperature and possibility of rain in Lisburn and Castlereagh in the coming days

Rainfall in Lisburn and Castlereagh in the coming days

Lisburn and Castlereagh Climate Summary

Lisburn and Castlereagh features a Marine west coast, warm summer (Köppen classification: Cfb), with an average annual temperature of 9.79ºC (49.62ºF), which is about -0.96% lower than the national average for United Kingdom. Annually, the city experiences approximately 92.94 millimeters (3.66 inches) of rainfall, spread across 180.18 rainy days, accounting for 49.36% of the year.

Longitude 54.4981584
Latitude -6.1306791
Yearly high temperature 11.76ºC (53.17ºF)
Yearly low temperature 5.89ºC (42.6ºF)
Hottest month June 16.33ºC (61.39ºF)
Coldest month December 2.84ºC (37.11ºF)
Yearly precip 92.94mm (3.66in)
Days with rainfall 180.18 days (49.36%)
Driest month April (83.77%)
Wettest month June (86.0%)

Weather averages by month

Month High / Low (°C) Rain
January 6.34° / 2.26° 13.27 days
February 7.13° / 2.07° 13.73 days
March 8.67° / 2.38° 13.18 days
April 11.22° / 4.07° 12.0 days
May 13.84° / 6.37° 15.18 days
June 16.33° / 8.88° 18.0 days
July 17.54° / 10.41° 20.27 days
August 17.04° / 10.5° 20.64 days
September 15.26° / 9.17° 13.27 days
October 12.3° / 7.07° 14.09 days
November 8.84° / 4.61° 13.64 days
December 6.67° / 2.84° 12.91 days

Lisburn and Castlereagh's weather

Frequently asked questions

1. What is the hottest month in Lisburn and Castlereagh?

June has the highest average monthly temperature (daily mean of 16.33ºC) and December are the coolest (daily mean of 2.84ºC).

2. What should I wear in Lisburn and Castlereagh today?

For today's mild weather in Lisburn and Castlereagh, with temperatures between 13ºC to 16ºC (55.4ºF to 60.8ºF), consider wearing:
- Casual sneakers or loafers
- Light jacket (for cooler periods)
- Lightweight sweater or cardigan
- Long-sleeve shirt or blouse

Temperature

Early
11°C / 12°C
Morning
9°C / 13°C
Afternoon
6°C / 15°C
Evening
7°C / 11°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 426
  • CO 177
  • NH3 3
  • NO2 1
  • O3 67
  • PM10 13
  • PM25 4
  • SO2 0
  • CH4 1,390

Sunrise / Sunset

06:17
18:13