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 Port Jefferson Weather Forecast Summary |
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Today
Aug 1st
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Saturday
Aug 2nd
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Sunday
Aug 3rd
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Monday
Aug 4th
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Tuesday
Aug 5th
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 |
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 |
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Cloudy |
Cloudy |
Sunny |
Cloudy |
Cloudy |
72°F
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72°F
55°F |
76°F
55°F |
80°F
59°F |
77°F
64°F |
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| Port Jefferson Detailed Weather Forecast |
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| Friday, August 1st, 2025 |
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Afternoon |
Temperature: 68°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 56°F |
| A mix of cloudy and clear skies. |
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| Saturday, August 2nd, 2025 |
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Overnight |
Temperature: 56°F |
| A mix of cloudy and clear skies. |
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Morning |
Temperature: 69°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 69°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 57°F |
| Clear. |
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| Sunday, August 3rd, 2025 |
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Overnight |
Temperature: 56°F |
| Clear. |
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Morning |
Temperature: 72°F |
| Sunny. Windy at times. |
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Afternoon |
Temperature: 73°F |
| Sunny. |
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Evening |
Temperature: 61°F |
| Clear. |
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| Monday, August 4th, 2025 |
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Overnight |
Temperature: 60°F |
| Clear. |
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Morning |
Temperature: 76°F |
| Sunny. |
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Afternoon |
Temperature: 77°F |
| Cloudy. Chance of a thunderstorm. |
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Evening |
Temperature: 68°F |
| Cloudy. |
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| Tuesday, August 5th, 2025 |
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Overnight |
Temperature: 67°F |
| Cloudy. |
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Morning |
Temperature: 70°F |
| Cloudy. |
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Afternoon |
Temperature: 73°F |
| A mix of cloud and sun. Slight chance of a thunderstorm. |
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Evening |
Temperature: 65°F |
| A mix of cloudy and clear skies. |
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| Wednesday, August 6th, 2025 |
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Overnight |
Temperature: 64°F |
| Cloudy. |
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Morning |
Temperature: 77°F |
| A mix of cloud and sun. Slight chance of a thunderstorm. |
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Afternoon |
Temperature: 78°F |
| Sunny with cloudy periods. Chance of a thunderstorm. |
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Evening |
Temperature: 67°F |
| Clear. |
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| Thursday, August 7th, 2025 |
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Overnight |
Temperature: 62°F |
| Clear. |
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Morning |
Temperature: 77°F |
| Sunny. |
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Afternoon |
Temperature: 78°F |
| Sunny. Slight chance of a thunderstorm. |
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Evening |
Temperature: 66°F |
| Clear. |
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| Friday, August 8th, 2025 |
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Overnight |
Temperature: 66°F |
| Clear. |
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Morning |
Temperature: 80°F |
| Sunny with a chance of showers or thundershowers. |
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Afternoon |
Temperature: 79°F |
| Cloudy with showers likely. Chance of a thunderstorm. |
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Evening |
Temperature: 71°F |
| A mix of cloudy and clear skies. Slight chance of a thunderstorm. |
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| Saturday, August 9th, 2025 |
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Overnight |
Temperature: 69°F |
| Cloudy. |
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Morning |
Temperature: 79°F |
| Cloudy with a few showers. Chance of a thunderstorm. Windy at times. |
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Afternoon |
Temperature: 79°F |
| A mix of cloud and sun with showers likely. Chance of a thunderstorm. |
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Evening |
Temperature: 71°F |
| Clear. Chance of a thunderstorm. |
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