Current Conditions
Islip, New York
Wind
NE 18 mph29 km/h
Humidity
71%
Cloud Cover
99%
As of Wednesday, September 23, 2026 at 1:31 AM EDT
Today's Outlook
Day
Mostly cloudy and mild, with a high of 65°F19°C and morning low of 59°F15°C. Windy from the NE at 20 to 21 mph33 to 34 km/h. Dry air.
Night
Mostly cloudy, with a low around 59°F15°C. Windy from the NE at 19 mph30 km/h.
7-Day Forecast
| Day | Condition | High (°F) | Low (°F) | Precip (mm) | Cloud Cover (%) | Wind (mph) | |
|---|---|---|---|---|---|---|---|
| Partly Cloudy | High 65°F19°C | Low 59°F15°C | Precip 0 in0 mm— | Cloud 74% | Wind NE 20 mph31 km/h | Wednesday: Mostly cloudy and mild, with a high of 65°F19°C and morning low of 59°F15°C. Windy from the NE at 20 to 21 mph33 to 34 km/h. Dry air. Wednesday Night: Mostly cloudy, with a low around 59°F15°C. Windy from the NE at 19 mph30 km/h. | |
| Cloudy | High 65°F19°C | Low 57°F14°C | Precip 0 in0.1 mm— | Cloud 81% | Wind NE 18 mph28 km/h | Thursday: Overcast and mild, with a high of 65°F19°C and morning low of 57°F14°C. Windy from the NE at 18 to 19 mph29 to 31 km/h. Dry air. Thursday Night: Mostly cloudy, with a low around 57°F14°C. Windy from the NE at 17 to 18 mph28 to 29 km/h. | |
| Light Rain | High 67°F19°C | Low 58°F14°C | Precip 0.24 in6.2 mm56% | Cloud 90% | Wind NNE 22 mph35 km/h | Friday: Overcast and mild, with a high of 67°F19°C and morning low of 59°F15°C. Windy from the NNE at 22 mph35 km/h. 41% chance of light rain throughout the day. Dry air. Friday Night: Overcast, with a low around 58°F14°C. Windy from the NNE at 21 to 23 mph34 to 38 km/h. 56% chance of light rain in the evening. | |
| Rain | High 63°F17°C | Low 61°F16°C | Precip 0.98 in24.8 mm91% | Cloud 91% | Wind NNE 24 mph39 km/h | Saturday: Overcast and mild, with a high of 63°F17°C. Windy from the NNE at 24 mph39 km/h. 82% chance of rain throughout the day. Saturday Night: Overcast, with a low around 61°F16°C. Windy from the NNE at 24 mph39 km/h. 91% chance of rain throughout the night. | |
| Rain | High 63°F17°C | Low 61°F16°C | Precip 1.05 in26.6 mm94% | Cloud 98% | Wind NNE 20 mph32 km/h | Sunday: Overcast and mild, with a high of 63°F17°C. Windy from the NNE at 20 to 22 mph32 to 35 km/h. 94% chance of rain throughout the day. Sunday Night: Overcast, with a low around 61°F16°C. Windy from the NNE at 20 to 24 mph32 to 39 km/h. 93% chance of rain throughout the night. | |
| Light Rain | High 65°F18°C | Low 62°F17°C | Precip 0.19 in4.9 mm69% | Cloud 87% | Wind NNW 11 mph18 km/h | Monday: Overcast and mild, with a high of 65°F18°C. Breezy from the NW at 11 to 12 mph18 to 20 km/h. 45% chance of light rain throughout the day. Monday Night: Overcast, with a low around 62°F17°C. Breezy from the NNW at 11 to 15 mph18 to 24 km/h. 69% chance of light rain throughout the night. | |
| Partly Cloudy | High 68°F20°C | Low 62°F16°C | Precip 0.01 in0.2 mm4% | Cloud 61% | Wind W 6 mph10 km/h | Tuesday: Mostly cloudy and warm, with a high of 68°F20°C and morning low of 62°F17°C. Breezy from the WNW at 6 to 7 mph10 to 11 km/h. Tuesday Night: Mostly cloudy, with a low around 62°F16°C. Breezy from the W at 6 to 8 mph10 to 13 km/h. |
15-Day Forecast
| Day | High | Low | Precip | Cloud Cover | Condition | Wind | |
|---|---|---|---|---|---|---|---|
| WednesdaySep 23 | 65°F19°C | 59°F15°C | 0 in0 mm· — | 74% | Partly Cloudy | NE 20 mph31 km/h | |
DayMostly cloudy and mild, with a high of 65°F19°C and morning low of 59°F15°C. Windy from the NE at 20 to 21 mph33 to 34 km/h. Dry air. NightMostly cloudy, with a low around 59°F15°C. Windy from the NE at 19 mph30 km/h. | |||||||
| ThursdaySep 24 | 65°F19°C | 57°F14°C | 0 in0.1 mm· — | 81% | Cloudy | NE 18 mph28 km/h | |
DayOvercast and mild, with a high of 65°F19°C and morning low of 57°F14°C. Windy from the NE at 18 to 19 mph29 to 31 km/h. Dry air. NightMostly cloudy, with a low around 57°F14°C. Windy from the NE at 17 to 18 mph28 to 29 km/h. | |||||||
| FridaySep 25 | 67°F19°C | 58°F14°C | 0.24 in6.2 mm· 56% | 90% | Light Rain | NNE 22 mph35 km/h | |
DayOvercast and mild, with a high of 67°F19°C and morning low of 59°F15°C. Windy from the NNE at 22 mph35 km/h. 41% chance of light rain throughout the day. Dry air. NightOvercast, with a low around 58°F14°C. Windy from the NNE at 21 to 23 mph34 to 38 km/h. 56% chance of light rain in the evening. | |||||||
| SaturdaySep 26 | 63°F17°C | 61°F16°C | 0.98 in24.8 mm· 91% | 91% | Rain | NNE 24 mph39 km/h | |
DayOvercast and mild, with a high of 63°F17°C. Windy from the NNE at 24 mph39 km/h. 82% chance of rain throughout the day. NightOvercast, with a low around 61°F16°C. Windy from the NNE at 24 mph39 km/h. 91% chance of rain throughout the night. | |||||||
| SundaySep 27 | 63°F17°C | 61°F16°C | 1.05 in26.6 mm· 94% | 98% | Rain | NNE 20 mph32 km/h | |
DayOvercast and mild, with a high of 63°F17°C. Windy from the NNE at 20 to 22 mph32 to 35 km/h. 94% chance of rain throughout the day. NightOvercast, with a low around 61°F16°C. Windy from the NNE at 20 to 24 mph32 to 39 km/h. 93% chance of rain throughout the night. | |||||||
| MondaySep 28 | 65°F18°C | 62°F17°C | 0.19 in4.9 mm· 69% | 87% | Light Rain | NNW 11 mph18 km/h | |
DayOvercast and mild, with a high of 65°F18°C. Breezy from the NW at 11 to 12 mph18 to 20 km/h. 45% chance of light rain throughout the day. NightOvercast, with a low around 62°F17°C. Breezy from the NNW at 11 to 15 mph18 to 24 km/h. 69% chance of light rain throughout the night. | |||||||
| TuesdaySep 29 | 68°F20°C | 62°F16°C | 0.01 in0.2 mm· 4% | 61% | Partly Cloudy | W 6 mph10 km/h | |
DayMostly cloudy and warm, with a high of 68°F20°C and morning low of 62°F17°C. Breezy from the WNW at 6 to 7 mph10 to 11 km/h. NightMostly cloudy, with a low around 62°F16°C. Breezy from the W at 6 to 8 mph10 to 13 km/h. | |||||||
| WednesdaySep 30 | 69°F21°C | 63°F17°C | 0 in0.1 mm· 3% | 48% | Partly Cloudy | S 6 mph10 km/h | |
DayPartly cloudy and warm, with a high of 69°F21°C and morning low of 63°F17°C. Breezy from the S at 6 to 8 mph10 to 13 km/h. NightPartly cloudy, with a low around 63°F17°C. Breezy from the SSW at 7 to 9 mph11 to 15 km/h. | |||||||
| ThursdayOct 1 | 70°F21°C | 65°F18°C | 0.1 in2.6 mm· 20% | 62% | Showers | S 10 mph16 km/h | |
DayMostly cloudy and warm, with a high of 70°F21°C and morning low of 65°F18°C. Breezy from the S at 10 to 11 mph16 to 18 km/h. 18% chance of drizzle throughout the day. NightMostly cloudy, with a low around 65°F18°C. Breezy from the SSW at 10 to 11 mph16 to 17 km/h. 20% chance of showers in the evening. | |||||||
| FridayOct 2 | 69°F21°C | 64°F18°C | 0.16 in4.1 mm· 18% | 56% | Showers | SW 10 mph16 km/h | |
DayMostly cloudy and warm, with a high of 69°F21°C and morning low of 64°F18°C. Breezy from the SW at 10 mph16 km/h. 18% chance of showers throughout the day. NightMostly cloudy, with a low around 65°F18°C. Breezy from the WSW at 10 mph16 km/h. 18% chance of showers throughout the night. | |||||||
| SaturdayOct 3 | 68°F20°C | 63°F17°C | 0.16 in4 mm· 13% | 56% | Showers | SW 9 mph15 km/h | |
DayMostly cloudy and warm, with a high of 68°F20°C and morning low of 63°F17°C. Breezy from the SW at 9 to 10 mph15 to 15 km/h. 11% chance of showers throughout the day. NightMostly cloudy, with a low around 63°F17°C. Breezy from the SW at 9 mph15 km/h. 13% chance of showers throughout the night. | |||||||
| SundayOct 4 | 68°F20°C | 63°F17°C | 0.14 in3.5 mm· 22% | 61% | Showers | SSW 10 mph16 km/h | |
DayMostly cloudy and mild, with a high of 68°F20°C and morning low of 63°F17°C. Breezy from the S at 10 mph16 km/h. 22% chance of showers throughout the day. NightMostly cloudy, with a low around 63°F17°C. Breezy from the SSW at 10 mph16 km/h. 21% chance of drizzle throughout the night. | |||||||
| MondayOct 5 | 67°F19°C | 62°F17°C | 0.22 in5.7 mm· 25% | 64% | Showers | W 10 mph17 km/h | |
DayMostly cloudy and mild, with a high of 67°F19°C. Breezy from the WSW at 10 to 11 mph17 to 17 km/h. 25% chance of showers throughout the day. NightMostly cloudy, with a low around 63°F17°C. Breezy from the W at 10 to 11 mph17 to 17 km/h. 22% chance of showers throughout the night. | |||||||
| TuesdayOct 6 | 65°F18°C | 60°F16°C | 0.17 in4.2 mm· 20% | 52% | Showers | WNW 10 mph17 km/h | |
DayMostly cloudy and mild, with a high of 65°F18°C. Breezy from the WNW at 10 to 11 mph17 to 17 km/h. 20% chance of showers throughout the day. NightMostly cloudy, with a low around 60°F16°C. Breezy from the WNW at 11 mph17 km/h. 20% chance of showers throughout the night. | |||||||
| WednesdayOct 7 | 64°F18°C | 59°F15°C | 0.11 in2.7 mm· 15% | 51% | Showers | W 11 mph17 km/h | |
DayMostly cloudy and mild, with a high of 64°F18°C and morning low of 59°F15°C. Breezy from the W at 11 mph17 km/h. 15% chance of showers throughout the day. NightPartly cloudy, with a low around 59°F15°C. Breezy from the W at 11 mph17 km/h. 14% chance of drizzle throughout the night. | |||||||
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About This Forecast
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Coordinates: 40.7298°N, 73.2104°W·Elevation: 4m·Timezone: America/New_York·Population: 18,689