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 Port Jefferson Weather Forecast Summary |
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Today
May 22nd
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Saturday
May 23rd
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Sunday
May 24th
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Monday
May 25th
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Tuesday
May 26th
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Mix of Cloud and Sun |
Showers |
Showers |
Showers |
Mix of Cloud and Sun |
60°F
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54°F
50°F |
57°F
52°F |
60°F
55°F |
65°F
59°F |
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| Port Jefferson Detailed Weather Forecast |
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| Friday, May 22nd, 2026 |
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Morning |
Temperature: 56°F |
| Mostly sunny. Windy. |
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Afternoon |
Temperature: 60°F |
| A mix of cloud and sun. Windy at times. |
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Evening |
Temperature: 55°F |
| Mostly cloudy. Windy at times. |
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| Saturday, May 23rd, 2026 |
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Overnight |
Temperature: 54°F |
| Cloudy. Windy at times. |
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Morning |
Temperature: 53°F |
| Cloudy with a chance of showers. Windy. |
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Afternoon |
Temperature: 51°F |
| Cloudy with showers likely. Windy. |
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Evening |
Temperature: 51°F |
| Cloudy with showers likely. Windy. |
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| Sunday, May 24th, 2026 |
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Overnight |
Temperature: 52°F |
| Cloudy with showers likely. Wind 20 to 30 mph. |
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Morning |
Temperature: 53°F |
| Cloudy with a few showers. Wind 20 to 30 mph. |
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Afternoon |
Temperature: 55°F |
| Mostly cloudy with a few showers. Wind 20 to 30 mph. |
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Evening |
Temperature: 56°F |
| Mostly cloudy with a chance of showers. Windy. |
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| Monday, May 25th, 2026 |
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Overnight |
Temperature: 56°F |
| Mostly cloudy with a slight chance of showers. Windy at times. |
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Morning |
Temperature: 55°F |
| Cloudy with a few showers. |
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Afternoon |
Temperature: 56°F |
| Cloudy with a few showers. |
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Evening |
Temperature: 60°F |
| A mix of clear and cloudy skies. |
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| Tuesday, May 26th, 2026 |
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Overnight |
Temperature: 59°F |
| A mix of cloudy and clear skies. |
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Morning |
Temperature: 61°F |
| A mix of cloud and sun. |
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Afternoon |
Temperature: 64°F |
| A mix of cloud and sun. |
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Evening |
Temperature: 64°F |
| Clear with cloudy periods. Windy at times. |
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| Wednesday, May 27th, 2026 |
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Overnight |
Temperature: 62°F |
| Mostly clear with a slight chance of showers. Windy at times. |
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Morning |
Temperature: 64°F |
| Sunny with cloudy periods. Windy at times. |
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Afternoon |
Temperature: 71°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 66°F |
| Clear. Windy at times. |
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| Thursday, May 28th, 2026 |
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Overnight |
Temperature: 59°F |
| Clear. |
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Morning |
Temperature: 62°F |
| Sunny. Windy at times. |
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Afternoon |
Temperature: 66°F |
| Sunny with cloudy periods. Windy at times. |
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Evening |
Temperature: 57°F |
| Clear with cloudy periods. Windy at times. |
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| Friday, May 29th, 2026 |
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Overnight |
Temperature: 55°F |
| A mix of clear and cloudy skies. |
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Morning |
Temperature: 58°F |
| Sunny. |
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Afternoon |
Temperature: 64°F |
| A mix of sun and cloud. |
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Evening |
Temperature: 61°F |
| Clear with cloudy periods. |
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| Saturday, May 30th, 2026 |
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Overnight |
Temperature: 60°F |
| Clear with cloudy periods. |
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Morning |
Temperature: 63°F |
| Mostly sunny. |
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Afternoon |
Temperature: 69°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 67°F |
| Mostly clear. Windy at times. |
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