 |
 Current Port Jefferson Weather Conditions |
Updated May 15th at 1:56 pm |
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| Overcast |
| Temperature: | 68°F |
Dew Point: | 64°F |
| Barometer: | 29.89 inHg |
Wind: | N 11 Mph |
| Humidity: | 88.3% |
Visibility: | 0M |
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| Port Jefferson Weather Forecast Summary |
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Today
May 15th
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Friday
May 16th
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Saturday
May 17th
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Sunday
May 18th
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Monday
May 19th
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Showers |
Cloudy |
Cloudy |
Cloudy |
Cloudy |
64°F
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66°F
57°F |
70°F
59°F |
61°F
55°F |
65°F
53°F |
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| Port Jefferson Detailed Weather Forecast |
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| Thursday, May 15th, 2025 |
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Afternoon |
Temperature: 63°F |
| A mix of cloud and sun with showers likely. |
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Evening |
Temperature: 58°F |
| Cloudy. |
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| Friday, May 16th, 2025 |
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Overnight |
Temperature: 57°F |
| A mix of cloudy and clear skies. |
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Morning |
Temperature: 62°F |
| Cloudy. |
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Afternoon |
Temperature: 65°F |
| Cloudy with a slight chance of showers. Windy at times. |
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Evening |
Temperature: 61°F |
| Cloudy. |
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| Saturday, May 17th, 2025 |
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Overnight |
Temperature: 60°F |
| Cloudy with a slight chance of showers. |
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Morning |
Temperature: 66°F |
| Cloudy with a chance of showers. Windy at times. |
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Afternoon |
Temperature: 69°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 64°F |
| Cloudy with a chance of showers. Windy at times. |
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| Sunday, May 18th, 2025 |
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Overnight |
Temperature: 58°F |
| Clear. Windy. |
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Morning |
Temperature: 61°F |
| Sunny with cloudy periods. Windy. |
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Afternoon |
Temperature: 58°F |
| Cloudy with a slight chance of showers. Wind 20 to 30 mph. |
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Evening |
Temperature: 56°F |
| Clear. Windy. |
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| Monday, May 19th, 2025 |
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Overnight |
Temperature: 53°F |
| Clear. Windy. |
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Morning |
Temperature: 62°F |
| Sunny. Windy. |
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Afternoon |
Temperature: 63°F |
| Mostly sunny. Windy. |
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Evening |
Temperature: 56°F |
| Cloudy. Windy. |
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| Tuesday, May 20th, 2025 |
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Overnight |
Temperature: 53°F |
| Clear. Windy. |
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Morning |
Temperature: 60°F |
| Mostly sunny. Windy at times. |
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Afternoon |
Temperature: 62°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: 55°F |
| Clear. Windy at times. |
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| Wednesday, May 21st, 2025 |
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Overnight |
Temperature: 51°F |
| A mix of cloudy and clear skies. Windy at times. |
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Morning |
Temperature: 55°F |
| Cloudy. |
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Afternoon |
Temperature: 53°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: 51°F |
| Cloudy with a slight chance of showers. Windy at times. |
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| Thursday, May 22nd, 2025 |
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Overnight |
Temperature: 50°F |
| Cloudy with a chance of showers. Windy. |
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Morning |
Temperature: 51°F |
| Cloudy with showers likely. Windy. |
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Afternoon |
Temperature: 51°F |
| Cloudy with a chance of showers. Windy. |
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Evening |
Temperature: 49°F |
| Cloudy with a few showers. Windy. |
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| Friday, May 23rd, 2025 |
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Overnight |
Temperature: 48°F |
| Cloudy. Windy. |
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Morning |
Temperature: 51°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 50°F |
| Cloudy with a chance of showers. |
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Evening |
Temperature: 51°F |
| Cloudy with a chance of showers. |
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