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 Castlerock Weather Forecast Summary |
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Today
May 13th
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Thursday
May 14th
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Friday
May 15th
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Saturday
May 16th
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Sunday
May 17th
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Mostly Sunny |
Mix of Sun and Cloud |
Mix of Sun and Cloud |
Mostly Cloudy |
Mostly Cloudy |
10°C
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10°C
6°C |
9°C
5°C |
9°C
2°C |
10°C
3°C |
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| Castlerock Detailed Weather Forecast |
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| Wednesday, May 13th, 2026 |
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Evening |
Temperature: 7°C |
| Clear with a slight chance of showers. Windy. |
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| Thursday, May 14th, 2026 |
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Overnight |
Temperature: 6°C |
| A mix of clear and cloudy skies. Windy. |
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Morning |
Temperature: 8°C |
| Cloudy with sunny periods with a slight chance of showers. Windy. |
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Afternoon |
Temperature: 9°C |
| A mix of cloud and sun with a slight chance of showers. Windy. |
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Evening |
Temperature: 8°C |
| Clear with a slight chance of showers. Windy. |
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| Friday, May 15th, 2026 |
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Overnight |
Temperature: 6°C |
| Clear. Windy at times. |
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Morning |
Temperature: 7°C |
| A mix of sun and cloud. Windy at times. |
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Afternoon |
Temperature: 9°C |
| A mix of cloud and sun. Windy at times. |
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Evening |
Temperature: 7°C |
| A mix of cloudy and clear skies. Windy at times. |
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| Saturday, May 16th, 2026 |
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Overnight |
Temperature: 2°C |
| A mix of cloudy and clear skies. |
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Morning |
Temperature: 7°C |
| Mostly cloudy. |
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Afternoon |
Temperature: 8°C |
| Cloudy with a slight chance of showers. |
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Evening |
Temperature: 7°C |
| Cloudy with clear periods with a chance of showers. |
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| Sunday, May 17th, 2026 |
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Overnight |
Temperature: 4°C |
| A mix of clear and cloudy skies. |
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Morning |
Temperature: 7°C |
| Mostly cloudy with a chance of showers. |
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Afternoon |
Temperature: 10°C |
| Mostly cloudy with a chance of showers. Slight chance of a thunderstorm. |
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Evening |
Temperature: 8°C |
| Mostly cloudy with a chance of showers. Slight chance of a thunderstorm. |
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| Monday, May 18th, 2026 |
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Overnight |
Temperature: 4°C |
| Clear with cloudy periods with a chance of showers. Showers possibly mixed with wet flurries. |
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Morning |
Temperature: 7°C |
| Sunny with cloudy periods. |
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Afternoon |
Temperature: 12°C |
| Mostly cloudy with a slight chance of showers. Windy at times. |
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Evening |
Temperature: 10°C |
| Cloudy with clear periods. Windy at times. |
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| Tuesday, May 19th, 2026 |
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Overnight |
Temperature: 10°C |
| Cloudy with a chance of showers. Windy. |
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Morning |
Temperature: 11°C |
| A mix of cloud and sun with a chance of showers. Windy at times. |
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Afternoon |
Temperature: 16°C |
| Mostly cloudy with a chance of showers or thundershowers. Windy at times. |
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Evening |
Temperature: 12°C |
| Clear with a chance of showers. Windy at times. |
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| Wednesday, May 20th, 2026 |
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Overnight |
Temperature: 8°C |
| A mix of clear and cloudy skies. |
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Morning |
Temperature: 11°C |
| A mix of cloud and sun. Windy at times. |
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Afternoon |
Temperature: 17°C |
| A mix of cloud and sun. Windy at times. |
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Evening |
Temperature: 16°C |
| A mix of cloudy and clear skies. Windy at times. |
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| Thursday, May 21st, 2026 |
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Overnight |
Temperature: 11°C |
| Mostly clear. Windy at times. |
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Morning |
Temperature: 13°C |
| Mostly cloudy. Windy at times. |
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Afternoon |
Temperature: 19°C |
| Mostly cloudy. Slight chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 17°C |
| Mostly clear. Slight chance of a thunderstorm. Windy at times. |
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