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 Port Jefferson Weather Forecast Summary |
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Today
Jun 16th
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Tuesday
Jun 17th
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Wednesday
Jun 18th
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Thursday
Jun 19th
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Friday
Jun 20th
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Thundershowers |
Cloudy |
Thundershowers |
Thundershowers |
Cloudy |
77°F
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80°F
68°F |
81°F
68°F |
77°F
58°F |
77°F
55°F |
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| Port Jefferson Detailed Weather Forecast |
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| Monday, June 16th, 2025 |
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Overnight |
Temperature: 62°F |
| Cloudy. |
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Morning |
Temperature: 73°F |
| Cloudy. Slight chance of a thunderstorm. |
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Afternoon |
Temperature: 75°F |
| Cloudy. Chance of a thunderstorm. |
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Evening |
Temperature: 68°F |
| Cloudy with showers likely. |
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| Tuesday, June 17th, 2025 |
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Overnight |
Temperature: 68°F |
| Cloudy. |
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Morning |
Temperature: 76°F |
| Cloudy with a slight chance of showers or thundershowers. Windy at times. |
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Afternoon |
Temperature: 79°F |
| Sunny with cloudy periods. Chance of a thunderstorm. |
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Evening |
Temperature: 69°F |
| Cloudy. Slight chance of a thunderstorm. |
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| Wednesday, June 18th, 2025 |
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Overnight |
Temperature: 70°F |
| Cloudy. Slight chance of a thunderstorm. Windy at times. |
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Morning |
Temperature: 80°F |
| Cloudy with a chance of showers or thundershowers. Windy. |
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Afternoon |
Temperature: 79°F |
| Cloudy with showers likely. Chance of a thunderstorm. Windy. |
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Evening |
Temperature: 70°F |
| Cloudy with a few showers. Chance of a thunderstorm. Windy at times. |
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| Thursday, June 19th, 2025 |
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Overnight |
Temperature: 69°F |
| Cloudy with showers likely. Windy at times. |
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Morning |
Temperature: 75°F |
| Sunny with cloudy periods with a chance of showers or thundershowers. Windy. |
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Afternoon |
Temperature: 72°F |
| Sunny with showers likely. Chance of a thunderstorm. Windy. |
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Evening |
Temperature: 60°F |
| Clear. Windy at times. |
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| Friday, June 20th, 2025 |
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Overnight |
Temperature: 57°F |
| Clear. |
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Morning |
Temperature: 72°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 75°F |
| Cloudy. Slight chance of a thunderstorm. |
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Evening |
Temperature: 67°F |
| Clear with cloudy periods. Windy at times. |
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| Saturday, June 21st, 2025 |
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Overnight |
Temperature: 66°F |
| A mix of cloudy and clear skies with showers likely. Windy at times. |
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Morning |
Temperature: 77°F |
| Cloudy with showers likely. Chance of a thunderstorm. Windy at times. |
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Afternoon |
Temperature: 82°F |
| Cloudy. Chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 74°F |
| Clear with cloudy periods. Chance of a thunderstorm. Windy at times. |
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| Sunday, June 22nd, 2025 |
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Overnight |
Temperature: 73°F |
| Clear. Chance of a thunderstorm. |
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Morning |
Temperature: 87°F |
| Sunny. Chance of a thunderstorm. Windy at times. |
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Afternoon |
Temperature: 87°F |
| Sunny. Chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 75°F |
| Clear. Chance of a thunderstorm. |
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| Monday, June 23rd, 2025 |
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Overnight |
Temperature: 75°F |
| Clear. Chance of a thunderstorm. |
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Morning |
Temperature: 88°F |
| Sunny. Chance of a thunderstorm. Windy at times. |
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Afternoon |
Temperature: 88°F |
| Sunny. Chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 77°F |
| Clear. Chance of a thunderstorm. |
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