Castlerock

Causeway Coast and Glens, Northern Ireland, United Kingdom

Forecast Summary

The next few hours will be mostly cloudy, with today reaching 9°C and dropping to 5°C. The coming days will be possible drizzle until afternoon, returning overnight, and breezy until evening.

Current Weather

Breezy and Mostly Clear

Feels Like

Min

Max

Compared to Yesterday

Unlock Historical Data

Compare today's weather with yesterday's data and track temperature trends over time.

Upgrade Now

Hourly Forecast

Weather forecast for the next 48 hours.

10° 10° 10° 11° 10° 10° 10° 10° 10°

9%

14%

25%

36%

47%

57%

68%

78%

80%

81%

82%

82%

82%

82%

77%

72%

67%

65%

64%

63%

63%

63%

63%

57%

51%

45%

35%

26%

16%

12%

9%

4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
1am
2am
3am
4am
5am
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
1am
2am
3am
4am
5am
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
Today
Tomorrow
Monday

UV Index

Wear sunscreen

4 Moderate
Low Extreme

Humidity

Current air moisture level

64% Comfortable
Low High

Daylight Hours

15 hours 31 minutes of sunlight today

05:37

Sunrise

21:09

Sunset

Daily Forecast

Weather forecast for the next 8 days.

Today

Sunday

11°

Monday

11°

Tuesday

11°

Wednesday

10°

Thursday

Friday

Saturday

Air Quality Data Available

Upgrade to access real-time air quality data for Castlerock.

Upgrade Now
Powered by Airpult

Frequently asked questions about weather in Castlerock

How warm does it get in Castlerock?

The warmest month in Castlerock is August, with average high temperatures of 17°C. The average temperature during this period is around 14°C.

How cold does it get in Castlerock?

The coldest month in Castlerock is February, 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 Castlerock?

The wettest month in Castlerock is August, with an average of 111mm of precipitation.

What is the driest time of year in Castlerock?

The driest month in Castlerock is April, with an average of 67mm of precipitation.

View full climate insights for Castlerock →

Stay informed

Latest Weather News

  ·  

   

  ·  

   

  ·  

   

  ·  

   

Airpult

Get accurate weather forecasts worldwide with real-time updates and severe weather alerts. Covering 6M+ locations with precise, reliable weather data.

© 2026 Samuenti GmbH. All rights reserved.

Cookie Settings
gb English
Metric (°C, km/h)

Confirm