Holtsville, New York | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Thursday
    50% Chance Rain Showers
    70°
    Forecast night icon
    Night
    70% Chance Rain Showers
    50°
    Thursday 5/9
    Day
    70°
    50% Chance Rain Showers
    Forecast day icon
    Night
    50°
    70% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny this morning then mostly cloudy with a chance of showers this afternoon. Highs in the upper 60s. North winds 5 to 10 mph with gusts up to 20 mph becoming east this afternoon. Chance of rain 50 percent.
    Night Details
    Cloudy. A chance of showers in the evening then rain likely after midnight. Lows in the upper 40s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.
  • Forecast day icon
    Friday
    70% Chance of Rain
    56°
    Forecast night icon
    Night
    70% Chance Rain Showers
    49°
    Friday 5/10
    Day
    56°
    70% Chance of Rain
    Forecast day icon
    Night
    49°
    70% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Rain likely. Highs in the mid 50s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.
    Night Details
    Mostly cloudy. Rain likely in the evening then a chance of showers after midnight. Lows in the mid 40s. East winds around 10 mph becoming northeast after midnight. Chance of rain 70 percent.
  • Forecast day icon
    Saturday
    Partly Sunny
    62°
    Forecast night icon
    Night
    30% Chance Rain Showers
    48°
    Saturday 5/11
    Day
    62°
    Partly Sunny
    Forecast day icon
    Night
    48°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A slight chance of showers in the morning. Highs in the upper 50s. Northeast winds 5 to 10 mph becoming southeast in the afternoon. Chance of rain 20 percent.
    Night Details
    Mostly cloudy. A chance of showers after midnight. Lows in the upper 40s. Chance of rain 30 percent.
  • Forecast day icon
    Sunday
    40% Chance Rain Showers
    59°
    Forecast night icon
    Night
    30% Chance Rain Showers
    48°
    Sunday 5/12
    Day
    59°
    40% Chance Rain Showers
    Forecast day icon
    Night
    48°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 40 percent chance of showers. Highs in the upper 50s.
    Night Details
    Mostly cloudy with a chance of showers in the evening then partly cloudy after midnight. Lows in the upper 40s. Chance of rain 30 percent.
  • Forecast day icon
    Monday
    Mostly Sunny
    67°
    Forecast night icon
    Night
    Partly Cloudy
    54°
    Monday 5/13
    Day
    67°
    Mostly Sunny
    Forecast day icon
    Night
    54°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the mid 60s.
    Night Details
    Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 50s.
  • Forecast day icon
    Tuesday
    Mostly Sunny
    69°
    Forecast night icon
    Night
    30% Chance Rain Showers
    57°
    Tuesday 5/14
    Day
    69°
    Mostly Sunny
    Forecast day icon
    Night
    57°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the upper 60s.
    Night Details
    Mostly cloudy. A chance of showers after midnight. Lows in the mid 50s. Chance of rain 30 percent.
  • Forecast day icon
    Wednesday
    50% Chance Rain Showers
    66°
    Forecast night icon
    Night
    40% Chance of Rain
    57°
    Wednesday 5/15
    Day
    66°
    50% Chance Rain Showers
    Forecast day icon
    Night
    57°
    40% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 50 percent chance of showers. Highs in the mid 60s.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 57F. Dew point will be around 53F with an average humidity of 82%. Winds will be 8 mph from the SE.
  • Forecast day icon
    Thursday
    40% Chance of Rain
    69°
    Forecast night icon
    Night
    40% Chance of Rain
    57°
    Thursday 5/16
    Day
    69°
    40% Chance of Rain
    Forecast day icon
    Night
    57°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 69F. Dew point will be around 54F with an average humidity of 68%. Winds will be 6 mph from the E.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 57F. Dew point will be around 52F with an average humidity of 74%. Winds will be 4 mph from the SE.
  • Forecast day icon
    Friday
    50% Chance of Rain
    69°
    Forecast night icon
    Night
    40% Chance of Rain
    57°
    Friday 5/17
    Day
    69°
    50% Chance of Rain
    Forecast day icon
    Night
    57°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 45%. High temperature around 69F. Dew point will be around 53F with an average humidity of 65%. Winds will be 4 mph from the SE.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 57F. Dew point will be around 51F with an average humidity of 72%. Winds will be 3 mph from the SE.
  • Forecast day icon
    Saturday
    30% Chance of Rain
    70°
    Forecast night icon
    Night
    40% Chance of Rain
    58°
    Saturday 5/18
    Day
    70°
    30% Chance of Rain
    Forecast day icon
    Night
    58°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 70F. Dew point will be around 53F with an average humidity of 63%. Winds will be 2 mph from the S.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 58F. Dew point will be around 51F with an average humidity of 72%. Winds will be 5 mph from the S.