Castlerock Weather Forecast 15 Days, Weather in Castlerock Today
Current weather conditions and 15 day weather forecast for Castlerock, Northern Ireland, UK including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Castlerock
| 04 August 2026 Tuesday 13.8 ° C / 56.9°F  Patchy rain nearby |
Feels Like : 10.3 ° C / 50.5°F Humidity : % 92 Pressure : 1005 mb Wind Speed : 22.7 kmph / 14.1 miles from W  Visibility : 10 km Precipitation (rainfall) : 0.02 mm Cloud (%) : 87 |
15 day weather forecast for Castlerock, Northern Ireland, UK
Weather Forecast for next 15 Days for Castlerock including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is your temperature trend for the next 15 Days. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 04 August 2026 Tuesday |  Light rain shower |
13.8 ° C | 16.9 ° C | 15.5 ° C | % 93 | 92% | 3.8 | Sunrise:05:41 AM Sunset: 09:25 PM |
Moonrise:10:39 PM Moonset: 12:53 PM Moon Phase ( Last Quarter ) |
|
| 05 August 2026 Wednesday | Light rain shower |
12.7 ° C | 13.9 ° C | 13.2 ° C | % 90 | 90% | 2.7 | Sunrise:05:42 AM Sunset: 09:23 PM |
Moonrise:10:49 PM Moonset: 02:16 PM Moon Phase ( Last Quarter ) |
|
| 06 August 2026 Thursday | Patchy rain nearby |
12.3 ° C | 15 ° C | 13.7 ° C | % 79 | 65% | 4.7 | Sunrise:05:44 AM Sunset: 09:21 PM |
Moonrise:11:06 PM Moonset: 03:43 PM Moon Phase ( Last Quarter ) |
|
| 07 August 2026 Friday |  Partly Cloudy |
10.9 ° C | 17.4 ° C | 14.1 ° C | % 80 | 17% | 5 | Sunrise:05:46 AM Sunset: 09:19 PM |
Moonrise:11:32 PM Moonset: 05:13 PM Moon Phase ( Waning Crescent ) |
|
| 08 August 2026 Saturday | Patchy rain nearby |
12.7 ° C | 15.9 ° C | 14.8 ° C | % 89 | 79% | 4 | Sunrise:05:48 AM Sunset: 09:17 PM |
Moonrise:Does not rise today Moonset: 06:36 PM Moon Phase ( Waning Crescent ) |
|
| 09 August 2026 Sunday | Patchy rain nearby |
12.7 ° C | 14.9 ° C | 14.2 ° C | % 89 | 86% | 3 | Sunrise:05:50 AM Sunset: 09:14 PM |
Moonrise:12:16 AM Moonset: 07:40 PM Moon Phase ( Waning Crescent ) |
|
| 10 August 2026 Monday |  Sunny |
11.4 ° C | 13.9 ° C | 12.8 ° C | % 77 | 42% | 4 | Sunrise:05:52 AM Sunset: 09:12 PM |
Moonrise:01:26 AM Moonset: 08:22 PM Moon Phase ( New Moon ) |
|
| 11 August 2026 Tuesday | Sunny |
10 ° C | 17.5 ° C | 13.6 ° C | % 72 | 9% | 5 | Sunrise:05:54 AM Sunset: 09:10 PM |
Moonrise:02:58 AM Moonset: 08:48 PM Moon Phase ( New Moon ) |
|
| 12 August 2026 Wednesday | Sunny |
12.6 ° C | 19.8 ° C | 16.1 ° C | % 73 | 8% | 5 | Sunrise:05:55 AM Sunset: 09:08 PM |
Moonrise:04:41 AM Moonset: 09:04 PM Moon Phase ( New Moon ) |
|
| 13 August 2026 Thursday | Sunny |
14.1 ° C | 19.2 ° C | 16.3 ° C | % 81 | 10% | 5 | Sunrise:05:57 AM Sunset: 09:06 PM |
Moonrise:06:24 AM Moonset: 09:16 PM Moon Phase ( New Moon ) |
|
| 14 August 2026 Friday | Sunny |
14.4 ° C | 18.1 ° C | 16.1 ° C | % 82 | 12% | 5 | Sunrise:05:59 AM Sunset: 09:03 PM |
Moonrise:08:02 AM Moonset: 09:25 PM Moon Phase ( Waxing Crescent ) |
|
| 15 August 2026 Saturday | Patchy rain nearby |
13.9 ° C | 15.6 ° C | 14.8 ° C | % 87 | 68% | 4 | Sunrise:06:01 AM Sunset: 09:01 PM |
Moonrise:09:37 AM Moonset: 09:33 PM Moon Phase ( Waxing Crescent ) |
|
| 16 August 2026 Sunday | Patchy rain nearby |
13.7 ° C | 16 ° C | 15 ° C | % 90 | 79% | 4 | Sunrise:06:03 AM Sunset: 08:59 PM |
Moonrise:11:08 AM Moonset: 09:41 PM Moon Phase ( Waxing Crescent ) |
|
| 17 August 2026 Monday | Patchy rain nearby |
12.7 ° C | 14.7 ° C | 13.7 ° C | % 86 | 82% | 3 | Sunrise:06:05 AM Sunset: 08:57 PM |
Moonrise:12:38 PM Moonset: 09:51 PM Moon Phase ( Waxing Crescent ) |
|
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