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 Port Jefferson Weather Forecast Summary |
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Today
Jun 29th
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Monday
Jun 30th
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Tuesday
Jul 1st
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Wednesday
Jul 2nd
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Thursday
Jul 3rd
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Cloudy |
Thundershowers |
Cloudy |
Mostly Sunny |
Thundershowers |
85°F
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82°F
68°F |
79°F
62°F |
81°F
60°F |
81°F
64°F |
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| Port Jefferson Detailed Weather Forecast |
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| Sunday, June 29th, 2025 |
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Morning |
Temperature: 83°F |
| Cloudy. Chance of a thunderstorm. |
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Afternoon |
Temperature: 82°F |
| A mix of cloud and sun with a slight chance of showers or thundershowers. |
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Evening |
Temperature: 69°F |
| A mix of clear and cloudy skies. Slight chance of a thunderstorm. |
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| Monday, June 30th, 2025 |
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Overnight |
Temperature: 69°F |
| A mix of cloudy and clear skies with a chance of showers. Slight chance of a thunderstorm. |
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Morning |
Temperature: 77°F |
| Sunny with cloudy periods with showers likely. Chance of a thunderstorm. Windy at times. |
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Afternoon |
Temperature: 78°F |
| Cloudy with showers likely. Chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 71°F |
| Cloudy with a few showers. Slight chance of a thunderstorm. |
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| Tuesday, July 1st, 2025 |
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Overnight |
Temperature: 68°F |
| Cloudy. Windy at times. |
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Morning |
Temperature: 77°F |
| Sunny. Windy at times. |
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Afternoon |
Temperature: 77°F |
| Sunny. Slight chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 64°F |
| Clear. |
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| Wednesday, July 2nd, 2025 |
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Overnight |
Temperature: 62°F |
| Clear. |
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Morning |
Temperature: 77°F |
| Sunny with cloudy periods. Slight chance of a thunderstorm. |
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Afternoon |
Temperature: 77°F |
| Sunny with cloudy periods. Slight chance of a thunderstorm. |
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Evening |
Temperature: 67°F |
| Mostly clear. |
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| Thursday, July 3rd, 2025 |
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Overnight |
Temperature: 66°F |
| A mix of cloudy and clear skies. |
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Morning |
Temperature: 78°F |
| A mix of cloud and sun with a slight chance of showers or thundershowers. Windy at times. |
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Afternoon |
Temperature: 78°F |
| Sunny with cloudy periods with showers likely. Chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 68°F |
| Clear with a chance of showers or thundershowers. |
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| Friday, July 4th, 2025 |
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Overnight |
Temperature: 67°F |
| A mix of cloudy and clear skies. |
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Morning |
Temperature: 80°F |
| A mix of cloud and sun. Chance of a thunderstorm. |
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Afternoon |
Temperature: 81°F |
| Cloudy with a chance of showers or thundershowers. |
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Evening |
Temperature: 72°F |
| A mix of cloudy and clear skies. Slight chance of a thunderstorm. |
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| Saturday, July 5th, 2025 |
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Overnight |
Temperature: 71°F |
| A mix of cloudy and clear skies. Windy at times. |
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Morning |
Temperature: 83°F |
| Mostly sunny. Chance of a thunderstorm. Windy at times. |
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Afternoon |
Temperature: 83°F |
| Cloudy with a chance of showers or thundershowers. Windy at times. |
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Evening |
Temperature: 73°F |
| Clear with a slight chance of showers or thundershowers. |
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| Sunday, July 6th, 2025 |
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Overnight |
Temperature: 72°F |
| Cloudy with a chance of showers. Slight chance of a thunderstorm. |
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Morning |
Temperature: 84°F |
| Sunny with cloudy periods. Chance of a thunderstorm. Windy at times. |
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Afternoon |
Temperature: 84°F |
| Sunny with cloudy periods with a chance of showers or thundershowers. Windy at times. |
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Evening |
Temperature: 73°F |
| A mix of cloudy and clear skies. Chance of a thunderstorm. |
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| Monday, July 7th, 2025 |
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Overnight |
Temperature: 72°F |
| A mix of cloudy and clear skies with a chance of showers. Slight chance of a thunderstorm. Windy at times. |
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Morning |
Temperature: 80°F |
| A mix of cloud and sun with showers likely. Chance of a thunderstorm. Windy. |
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Afternoon |
Temperature: 77°F |
| Mostly sunny with showers likely. Chance of a thunderstorm. Windy. |
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Evening |
Temperature: 63°F |
| Cloudy. Windy at times. |
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