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 Shelter Island Weather Forecast Summary |
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Today
Oct 16th
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Saturday
Oct 17th
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Sunday
Oct 18th
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Monday
Oct 19th
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Tuesday
Oct 20th
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Mix of Cloud and Sun |
Mostly Cloudy |
Sunny |
Mix of Cloud and Sun |
Cloudy |
65°F
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59°F
46°F |
54°F
45°F |
58°F
54°F |
59°F
54°F |
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| Shelter Island Detailed Weather Forecast |
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| Saturday, October 17th, 2026 |
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Overnight |
Temperature: 56°F |
| Cloudy with a chance of showers. Wind 20 to 30 mph. |
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Morning |
Temperature: 49°F |
| Cloudy with showers likely. Wind 20 to 30 mph. |
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Afternoon |
Temperature: 50°F |
| Mostly cloudy with a chance of showers. Wind 20 to 30 mph. |
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Evening |
Temperature: 48°F |
| Clear with cloudy periods. Wind 25 to 40 mph. |
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| Sunday, October 18th, 2026 |
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Overnight |
Temperature: 45°F |
| Clear. Wind 20 to 30 mph. |
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Morning |
Temperature: 47°F |
| Sunny. Wind 20 to 30 mph. |
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Afternoon |
Temperature: 53°F |
| Sunny. Windy. |
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Evening |
Temperature: 53°F |
| Clear. Wind 20 to 30 mph. |
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| Monday, October 19th, 2026 |
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Overnight |
Temperature: 54°F |
| Clear. Wind 20 to 30 mph. |
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Morning |
Temperature: 55°F |
| A mix of sun and cloud. Wind 25 to 40 mph. |
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Afternoon |
Temperature: 57°F |
| Cloudy. Wind 25 to 40 mph. |
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Evening |
Temperature: 55°F |
| Mostly cloudy. Wind 25 to 40 mph. |
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| Tuesday, October 20th, 2026 |
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Overnight |
Temperature: 55°F |
| Cloudy with clear periods. Wind 25 to 40 mph. |
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Morning |
Temperature: 55°F |
| Cloudy. Wind 25 to 40 mph. |
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Afternoon |
Temperature: 59°F |
| Mostly cloudy. Wind 25 to 40 mph. |
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Evening |
Temperature: 58°F |
| Cloudy with clear periods. Wind 25 to 40 mph. |
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| Wednesday, October 21st, 2026 |
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Overnight |
Temperature: 56°F |
| Mostly clear. Wind 25 to 40 mph. |
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Morning |
Temperature: 54°F |
| Sunny. Wind 35 to 45 mph. |
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Afternoon |
Temperature: 55°F |
| Sunny. Wind 25 to 40 mph. |
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Evening |
Temperature: 54°F |
| Clear with cloudy periods. Wind 25 to 40 mph. |
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| Thursday, October 22nd, 2026 |
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Overnight |
Temperature: 55°F |
| A mix of cloudy and clear skies. Wind 25 to 40 mph. |
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Morning |
Temperature: 55°F |
| A mix of cloud and sun. Wind 25 to 40 mph. |
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Afternoon |
Temperature: 57°F |
| A mix of cloud and sun. Wind 20 to 30 mph. |
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Evening |
Temperature: 56°F |
| A mix of cloudy and clear skies. Wind 20 to 30 mph. |
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| Friday, October 23rd, 2026 |
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Overnight |
Temperature: 54°F |
| A mix of clear and cloudy skies. Wind 20 to 30 mph. |
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Morning |
Temperature: 53°F |
| Mostly sunny. Wind 20 to 30 mph. |
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Afternoon |
Temperature: 57°F |
| Mostly sunny. Wind 20 to 30 mph. |
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Evening |
Temperature: 56°F |
| Mostly clear. Wind 20 to 30 mph. |
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| Saturday, October 24th, 2026 |
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Overnight |
Temperature: 55°F |
| Mostly clear. Wind 20 to 30 mph. |
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Morning |
Temperature: 55°F |
| Sunny. Wind 20 to 30 mph. |
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Afternoon |
Temperature: 60°F |
| Sunny. Windy. |
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Evening |
Temperature: 56°F |
| Clear. Wind 20 to 30 mph. |
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