 |
 Current Islip Weather Conditions |
Updated January 11th at 1:56 pm |
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| Mostly Cloudy |
| Temperature: | 45°F |
Dew Point: | 25°F |
| Barometer: | 29.71 inHg |
Wind: | N 21 Mph |
| Humidity: | 45.3% |
Visibility: | 0M |
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| Islip Weather Forecast Summary |
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Today
Jan 11th
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Monday
Jan 12th
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Tuesday
Jan 13th
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Wednesday
Jan 14th
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Thursday
Jan 15th
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Cloudy |
Mostly Sunny |
Cloudy |
Cloudy |
Cloudy |
41°F
|
39°F
32°F |
42°F
36°F |
44°F
40°F |
40°F
33°F |
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| Islip Detailed Weather Forecast |
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| Sunday, January 11th, 2026 |
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Afternoon |
Temperature: 39°F |
| Cloudy. Windy. |
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Evening |
Temperature: 34°F |
| Clear with cloudy periods. Wind 25 to 40 mph. |
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| Monday, January 12th, 2026 |
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Overnight |
Temperature: 32°F |
| Clear. Wind 20 to 30 mph. |
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Morning |
Temperature: 35°F |
| Sunny. Windy. |
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Afternoon |
Temperature: 39°F |
| Sunny with cloudy periods. Windy. |
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Evening |
Temperature: 39°F |
| Clear with cloudy periods. Windy. |
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| Tuesday, January 13th, 2026 |
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Overnight |
Temperature: 37°F |
| Clear. Windy at times. |
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Morning |
Temperature: 39°F |
| Sunny. Windy at times. |
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Afternoon |
Temperature: 41°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: 41°F |
| Cloudy. Windy at times. |
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| Wednesday, January 14th, 2026 |
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Overnight |
Temperature: 42°F |
| Cloudy. Windy. |
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Morning |
Temperature: 43°F |
| A mix of cloud and sun. Windy at times. |
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Afternoon |
Temperature: 42°F |
| Cloudy. |
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Evening |
Temperature: 40°F |
| Cloudy. |
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| Thursday, January 15th, 2026 |
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Overnight |
Temperature: 38°F |
| Cloudy. |
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Morning |
Temperature: 39°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 37°F |
| Cloudy. Windy. |
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Evening |
Temperature: 35°F |
| Cloudy with a chance of showers. Showers possibly mixed with wet flurries. Wind 25 to 40 mph. |
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| Friday, January 16th, 2026 |
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Overnight |
Temperature: 28°F |
| Cloudy with flurries likely. Wind 25 to 40 mph. |
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Morning |
Temperature: 29°F |
| Cloudy. Windy. |
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Afternoon |
Temperature: 30°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 29°F |
| Clear. |
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| Saturday, January 17th, 2026 |
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Overnight |
Temperature: 29°F |
| Clear. |
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Morning |
Temperature: 32°F |
| Sunny with cloudy periods. Windy at times. |
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Afternoon |
Temperature: 34°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: 34°F |
| Cloudy with a chance of flurries or showers. Risk of freezing rain. Windy at times. |
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| Sunday, January 18th, 2026 |
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Overnight |
Temperature: 34°F |
| Cloudy with flurries or showers likely. Risk of freezing rain. Windy at times. |
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Morning |
Temperature: 36°F |
| Cloudy with a chance of showers. Showers possibly mixed with wet flurries. Windy. |
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Afternoon |
Temperature: 37°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 34°F |
| Clear. Windy at times. |
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| Monday, January 19th, 2026 |
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Overnight |
Temperature: 32°F |
| Clear. Windy at times. |
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Morning |
Temperature: 36°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 38°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: 37°F |
| Clear. Windy. |
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