Current Conditions
Holtsville, New York
Wind
ENE 18 mph29 km/h
Humidity
66%
Cloud Cover
96%
As of Tuesday, September 22, 2026 at 1:49 PM EDT
Today's Outlook
Day
Overcast and mild, with a high of 65°F18°C. Windy from the ENE at 17 to 18 mph27 to 30 km/h. 11% chance of drizzle.
Night
Overcast, with a low around 60°F16°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) | |
|---|---|---|---|---|---|---|---|
| Drizzle | High 65°F18°C | Low 60°F16°C | Precip 0.01 in0.2 mm11% | Cloud 95% | Wind NE 18 mph28 km/h | Tuesday: Overcast and mild, with a high of 65°F18°C. Windy from the ENE at 17 to 18 mph27 to 30 km/h. 11% chance of drizzle. Tuesday Night: Overcast, with a low around 60°F16°C. Windy from the NE at 19 mph30 km/h. | |
| Partly Cloudy & Wind | High 65°F18°C | Low 59°F15°C | Precip 0 in0 mm— | Cloud 76% | Wind NE 21 mph33 km/h | Wednesday: Overcast and mild, with a high of 65°F18°C and morning low of 60°F15°C. Windy from the NE at 22 to 23 mph35 to 36 km/h. Dry air. Wednesday Night: Mostly cloudy, with a low around 59°F15°C. Windy from the NE at 20 mph32 km/h. | |
| Partly Cloudy | High 65°F18°C | Low 57°F14°C | Precip 0 in0.1 mm2% | Cloud 79% | Wind NE 19 mph31 km/h | Thursday: Overcast and mild, with a high of 65°F18°C and morning low of 57°F14°C. Windy from the NE at 19 to 21 mph31 to 33 km/h. Dry air. Thursday Night: Mostly cloudy, with a low around 57°F14°C. Windy from the NE at 19 to 20 mph30 to 32 km/h. | |
| Light Rain | High 66°F19°C | Low 59°F15°C | Precip 0.41 in10.4 mm59% | Cloud 89% | Wind NNE 23 mph36 km/h | Friday: Overcast and mild, with a high of 66°F19°C and morning low of 59°F15°C. Windy from the NNE at 23 mph37 km/h. 49% chance of light rain throughout the day. Dry air. Friday Night: Overcast, with a low around 59°F15°C. Windy from the NNE at 22 to 24 mph36 to 39 km/h. 59% chance of light rain throughout the night. | |
| Rain | High 63°F17°C | Low 61°F16°C | Precip 1.11 in28.1 mm87% | Cloud 94% | Wind N 24 mph39 km/h | Saturday: Overcast and mild, with a high of 63°F17°C. Windy from the N at 25 mph40 km/h. 86% chance of rain throughout the day. Saturday Night: Overcast, with a low around 61°F16°C. Windy from the NNE at 24 to 25 mph38 to 40 km/h. 87% chance of rain throughout the night. | |
| Rain | High 64°F18°C | Low 62°F17°C | Precip 0.74 in18.8 mm90% | Cloud 96% | Wind NNE 18 mph29 km/h | Sunday: Overcast and mild, with a high of 64°F18°C. Windy from the NNE at 18 to 19 mph29 to 30 km/h. 90% chance of rain throughout the day. Sunday Night: Overcast, with a low around 62°F17°C. Windy from the NNE at 18 to 21 mph29 to 34 km/h. 90% chance of rain throughout the night. | |
| Light Rain | High 65°F18°C | Low 62°F17°C | Precip 0.16 in4 mm64% | Cloud 86% | Wind NNW 12 mph19 km/h | Monday: Overcast and mild, with a high of 65°F18°C. Breezy from the NW at 12 to 13 mph19 to 20 km/h. 42% chance of light rain throughout the day. Monday Night: Overcast, with a low around 62°F17°C. Breezy from the NNW at 12 to 14 mph19 to 23 km/h. 64% chance of light rain throughout the night. |
15-Day Forecast
| Day | High | Low | Precip | Cloud Cover | Condition | Wind | |
|---|---|---|---|---|---|---|---|
| TuesdaySep 22 | 65°F18°C | 60°F16°C | 0.01 in0.2 mm· 11% | 95% | Drizzle | NE 18 mph28 km/h | |
DayOvercast and mild, with a high of 65°F18°C. Windy from the ENE at 17 to 18 mph27 to 30 km/h. 11% chance of drizzle. NightOvercast, with a low around 60°F16°C. Windy from the NE at 19 mph30 km/h. | |||||||
| WednesdaySep 23 | 65°F18°C | 59°F15°C | 0 in0 mm· — | 76% | Partly Cloudy & Wind | NE 21 mph33 km/h | |
DayOvercast and mild, with a high of 65°F18°C and morning low of 60°F15°C. Windy from the NE at 22 to 23 mph35 to 36 km/h. Dry air. NightMostly cloudy, with a low around 59°F15°C. Windy from the NE at 20 mph32 km/h. | |||||||
| ThursdaySep 24 | 65°F18°C | 57°F14°C | 0 in0.1 mm· 2% | 79% | Partly Cloudy | NE 19 mph31 km/h | |
DayOvercast and mild, with a high of 65°F18°C and morning low of 57°F14°C. Windy from the NE at 19 to 21 mph31 to 33 km/h. Dry air. NightMostly cloudy, with a low around 57°F14°C. Windy from the NE at 19 to 20 mph30 to 32 km/h. | |||||||
| FridaySep 25 | 66°F19°C | 59°F15°C | 0.41 in10.4 mm· 59% | 89% | Light Rain | NNE 23 mph36 km/h | |
DayOvercast and mild, with a high of 66°F19°C and morning low of 59°F15°C. Windy from the NNE at 23 mph37 km/h. 49% chance of light rain throughout the day. Dry air. NightOvercast, with a low around 59°F15°C. Windy from the NNE at 22 to 24 mph36 to 39 km/h. 59% chance of light rain throughout the night. | |||||||
| SaturdaySep 26 | 63°F17°C | 61°F16°C | 1.11 in28.1 mm· 87% | 94% | Rain | N 24 mph39 km/h | |
DayOvercast and mild, with a high of 63°F17°C. Windy from the N at 25 mph40 km/h. 86% chance of rain throughout the day. NightOvercast, with a low around 61°F16°C. Windy from the NNE at 24 to 25 mph38 to 40 km/h. 87% chance of rain throughout the night. | |||||||
| SundaySep 27 | 64°F18°C | 62°F17°C | 0.74 in18.8 mm· 90% | 96% | Rain | NNE 18 mph29 km/h | |
DayOvercast and mild, with a high of 64°F18°C. Windy from the NNE at 18 to 19 mph29 to 30 km/h. 90% chance of rain throughout the day. NightOvercast, with a low around 62°F17°C. Windy from the NNE at 18 to 21 mph29 to 34 km/h. 90% chance of rain throughout the night. | |||||||
| MondaySep 28 | 65°F18°C | 62°F17°C | 0.16 in4 mm· 64% | 86% | Light Rain | NNW 12 mph19 km/h | |
DayOvercast and mild, with a high of 65°F18°C. Breezy from the NW at 12 to 13 mph19 to 20 km/h. 42% chance of light rain throughout the day. NightOvercast, with a low around 62°F17°C. Breezy from the NNW at 12 to 14 mph19 to 23 km/h. 64% chance of light rain throughout the night. | |||||||
| TuesdaySep 29 | 68°F20°C | 62°F17°C | 0.03 in0.8 mm· 15% | 57% | Drizzle | NW 7 mph11 km/h | |
DayMostly cloudy and mild, with a high of 68°F20°C and morning low of 62°F17°C. Breezy from the NW at 7 to 8 mph11 to 12 km/h. 13% chance of drizzle in the morning. NightMostly cloudy, with a low around 62°F17°C. Breezy from the NW at 7 to 9 mph12 to 14 km/h. 15% chance of drizzle overnight. | |||||||
| WednesdaySep 30 | 68°F20°C | 62°F17°C | 0.01 in0.3 mm· 6% | 50% | Partly Cloudy | SE 7 mph11 km/h | |
DayMostly cloudy and mild, with a high of 68°F20°C and morning low of 62°F17°C. Breezy from the ESE at 7 to 8 mph11 to 13 km/h. NightPartly cloudy, with a low around 63°F17°C. Breezy from the S at 7 to 9 mph11 to 14 km/h. | |||||||
| ThursdayOct 1 | 69°F20°C | 64°F18°C | 0.08 in2.1 mm· 20% | 66% | Showers | SSE 9 mph15 km/h | |
DayMostly cloudy and warm, with a high of 69°F20°C. Breezy from the SSE at 9 to 10 mph15 to 17 km/h. 15% chance of drizzle in the afternoon. NightMostly cloudy, with a low around 64°F18°C. Breezy from the SSE at 9 to 10 mph15 to 16 km/h. 20% chance of showers in the evening. | |||||||
| FridayOct 2 | 68°F20°C | 64°F18°C | 0.15 in3.9 mm· 21% | 68% | Showers | W 10 mph15 km/h | |
DayMostly cloudy and warm, with a high of 68°F20°C. Breezy from the WNW at 10 mph16 km/h. 18% chance of showers throughout the day. NightMostly cloudy, with a low around 64°F18°C. Breezy from the WSW at 9 to 10 mph15 to 16 km/h. 21% chance of showers throughout the night. | |||||||
| SaturdayOct 3 | 67°F20°C | 62°F17°C | 0.13 in3.4 mm· 21% | 61% | Showers | NE 10 mph16 km/h | |
DayMostly cloudy and mild, with a high of 67°F20°C and morning low of 62°F17°C. Breezy from the ENE at 10 mph16 km/h. 20% chance of drizzle throughout the day. NightMostly cloudy, with a low around 62°F17°C. Breezy from the NNE at 10 mph16 km/h. 21% chance of showers throughout the night. | |||||||
| SundayOct 4 | 67°F19°C | 62°F17°C | 0.2 in5.2 mm· 23% | 64% | Showers | SW 10 mph17 km/h | |
DayMostly cloudy and mild, with a high of 67°F19°C. Breezy from the SSW at 10 mph16 km/h. 23% chance of showers throughout the day. NightMostly cloudy, with a low around 62°F17°C. Breezy from the WSW at 11 mph17 km/h. 22% chance of showers throughout the night. | |||||||
| MondayOct 5 | 66°F19°C | 61°F16°C | 0.19 in4.7 mm· 23% | 52% | Showers | NW 11 mph18 km/h | |
DayMostly cloudy and mild, with a high of 66°F19°C and morning low of 61°F16°C. Breezy from the NW at 11 mph18 km/h. 19% chance of showers throughout the day. NightMostly cloudy, with a low around 61°F16°C. Breezy from the NW at 11 mph18 km/h. 23% chance of showers throughout the night. | |||||||
| TuesdayOct 6 | 65°F18°C | 60°F15°C | 0.13 in3.3 mm· 17% | 49% | Showers | WNW 11 mph17 km/h | |
DayMostly cloudy and mild, with a high of 65°F18°C and morning low of 60°F15°C. Breezy from the NW at 11 mph17 km/h. 16% chance of drizzle throughout the day. NightPartly cloudy, with a low around 60°F15°C. Breezy from the WNW at 11 mph17 km/h. 17% chance of showers throughout the night. | |||||||
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About This Forecast
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Coordinates: 40.8154°N, 73.0451°W·Elevation: 32m·Timezone: America/New_York·Population: 19,714