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 Castle Island Weather Forecast Summary |
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Today
Nov 17th
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Tuesday
Nov 18th
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Wednesday
Nov 19th
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Thursday
Nov 20th
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Friday
Nov 21st
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Cloudy |
Cloudy |
Mostly Sunny |
Cloudy |
Cloudy |
3°C
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3°C
-3°C |
4°C
-3°C |
1°C
-5°C |
4°C
-2°C |
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| Castle Island Detailed Weather Forecast |
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| Monday, November 17th, 2025 |
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Morning |
Temperature: 2°C |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 0°C |
| Cloudy. |
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Evening |
Temperature: -3°C |
| A mix of cloudy and clear skies. |
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| Tuesday, November 18th, 2025 |
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Overnight |
Temperature: -3°C |
| A mix of cloudy and clear skies. |
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Morning |
Temperature: 2°C |
| Cloudy. |
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Afternoon |
Temperature: 1°C |
| Cloudy with a slight chance of flurries or showers. Risk of freezing rain. |
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Evening |
Temperature: 0°C |
| Cloudy. |
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| Wednesday, November 19th, 2025 |
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Overnight |
Temperature: -3°C |
| Clear. |
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Morning |
Temperature: 3°C |
| Sunny with cloudy periods. Windy at times. |
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Afternoon |
Temperature: -1°C |
| Sunny. |
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Evening |
Temperature: -3°C |
| Clear. |
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| Thursday, November 20th, 2025 |
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Overnight |
Temperature: -4°C |
| Cloudy. |
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Morning |
Temperature: 0°C |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: -1°C |
| Cloudy. |
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Evening |
Temperature: -2°C |
| Clear. |
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| Friday, November 21st, 2025 |
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Overnight |
Temperature: -2°C |
| A mix of cloudy and clear skies. |
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Morning |
Temperature: 3°C |
| Cloudy. |
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Afternoon |
Temperature: 2°C |
| Cloudy. Windy at times. |
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Evening |
Temperature: 0°C |
| Clear. Windy at times. |
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| Saturday, November 22nd, 2025 |
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Overnight |
Temperature: -1°C |
| Cloudy. Windy at times. |
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Morning |
Temperature: 4°C |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 1°C |
| A mix of cloud and sun. Windy at times. |
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Evening |
Temperature: -3°C |
| Clear. |
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| Sunday, November 23rd, 2025 |
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Overnight |
Temperature: -4°C |
| Clear with cloudy periods. |
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Morning |
Temperature: 2°C |
| Cloudy. |
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Afternoon |
Temperature: -2°C |
| Cloudy with sunny periods. |
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Evening |
Temperature: -2°C |
| Cloudy. |
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| Monday, November 24th, 2025 |
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Overnight |
Temperature: -5°C |
| Cloudy. |
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Morning |
Temperature: -3°C |
| Cloudy. |
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Afternoon |
Temperature: -5°C |
| Cloudy. Windy at times. |
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Evening |
Temperature: -6°C |
| Cloudy with a chance of flurries. Windy at times. |
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| Tuesday, November 25th, 2025 |
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Overnight |
Temperature: -8°C |
| Cloudy with a chance of flurries. Windy at times. |
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Morning |
Temperature: -8°C |
| Cloudy with a slight chance of flurries. |
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Afternoon |
Temperature: -8°C |
| Cloudy. |
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Evening |
Temperature: -9°C |
| Cloudy. |
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