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Holtsville, NY
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7-Day Forecast
Tonight
Partly Cloudy
Low: 26°
Partly cloudy with a low around 26. Wind chill values between 20 and 25. Southwest wind 9 to 11 mph.
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Sunday
Mostly Sunny
High: 41°
Mostly sunny with a high near 41. Wind chill values between 20 and 30. West wind 7 to 10 mph.
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Sunday Night
Mostly Cloudy
Low: 28°
Mostly cloudy with a low around 28. Light and variable wind.
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Monday
Decreasing Clouds
High: 44°
Mostly cloudy, then gradually becoming sunny with a high near 44. Light southeast wind becoming south 5 to 10 mph in the morning.
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Monday Night
Mostly Cloudy
Low: 36°
Mostly cloudy with a low around 36. South wind 6 to 8 mph.
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Tuesday
Partly Sunny
High: 49°
Partly sunny with a high near 49.
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Tuesday Night
Partly Cloudy
Low: 35°
Partly cloudy with a low around 35.
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Wednesday
Sunny
High: 49°
Sunny with a high near 49.
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Wednesday Night
Partly Cloudy
Low: 36°
Partly cloudy with a low around 36.
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Thursday
Chance Showers
High: 46°
A 40% chance of showers after 7am. Mostly cloudy with a high near 46.
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Thursday Night
Chance Showers then Chance Rain/Snow
Low: 32°
A chance of rain and snow showers. Mostly cloudy with a low around 32. Chance of precipitation is 50%.
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Friday
Chance Snow Showers then Mostly Sunny
High: 43°
A 30% chance of snow showers. Mostly sunny with a high near 43.
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Friday Night
Partly Cloudy
Low: 28°
Partly cloudy with a low around 28.
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Saturday
Mostly Sunny
High: 43°
Mostly sunny with a high near 43.
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Source: National Weather Service
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