Holtsville, New York | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Partly Cloudy
    49°
    Thursday 5/2
    Forecast night icon
    49°
    Partly Cloudy
    Hourly
    Night Details
    Mostly clear late this evening then becoming partly cloudy. Lows in the lower 50s. North winds around 10 mph becoming northeast after midnight.
  • Forecast day icon
    Friday
    Partly Sunny
    64°
    Forecast night icon
    Night
    Partly Cloudy
    47°
    Friday 5/3
    Day
    64°
    Partly Sunny
    Forecast day icon
    Night
    47°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs in the upper 50s. Northeast winds 10 to 15 mph becoming east in the afternoon. Gusts up to 30 mph.
    Night Details
    Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 40s. East winds 5 to 10 mph.
  • Forecast day icon
    Saturday
    Partly Sunny
    60°
    Forecast night icon
    Night
    Cloudy
    47°
    Saturday 5/4
    Day
    60°
    Partly Sunny
    Forecast day icon
    Night
    47°
    Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny in the morning then becoming mostly cloudy. Highs in the upper 50s. East winds 10 to 15 mph.
    Night Details
    Cloudy. A slight chance of showers after midnight. Lows in the upper 40s. Southeast winds around 10 mph. Chance of rain 20 percent.
  • Forecast day icon
    Sunday
    70% Chance Rain Showers
    63°
    Forecast night icon
    Night
    70% Chance Rain Showers
    44°
    Sunday 5/5
    Day
    63°
    70% Chance Rain Showers
    Forecast day icon
    Night
    44°
    70% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Cloudy. A chance of showers in the morning then showers likely in the afternoon. Highs in the upper 50s. Chance of rain 70 percent.
    Night Details
    Showers likely. Lows in the lower 50s. Chance of rain 70 percent.
  • Forecast day icon
    Monday
    50% Chance Rain Showers
    71°
    Forecast night icon
    Night
    Mostly Cloudy
    54°
    Monday 5/6
    Day
    71°
    50% Chance Rain Showers
    Forecast day icon
    Night
    54°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a chance of showers in the morning then partly sunny in the afternoon. Not as cool with highs in the mid 70s. Chance of rain 50 percent.
    Night Details
    Mostly cloudy. Lows in the mid 50s.
  • Forecast day icon
    Tuesday
    Partly Sunny
    63°
    Forecast night icon
    Night
    30% Chance Rain Showers
    51°
    Tuesday 5/7
    Day
    63°
    Partly Sunny
    Forecast day icon
    Night
    51°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs in the mid 70s.
    Night Details
    Mostly cloudy. A chance of showers after midnight. Lows in the mid 50s. Chance of rain 30 percent.
  • Forecast day icon
    Wednesday
    40% Chance Rain Showers
    61°
    Forecast night icon
    Night
    40% Chance Rain Showers
    47°
    Wednesday 5/8
    Day
    61°
    40% Chance Rain Showers
    Forecast day icon
    Night
    47°
    40% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a 40 percent chance of showers. Highs in the lower 70s.
    Night Details
    Mostly cloudy with a 40 percent chance of showers. Lows in the upper 50s.
  • Forecast day icon
    Thursday
    40% Chance Rain Showers
    69°
    Forecast night icon
    Night
    50% Chance of Rain
    56°
    Thursday 5/9
    Day
    69°
    40% Chance Rain Showers
    Forecast day icon
    Night
    56°
    50% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Partly sunny in the morning then becoming mostly cloudy. A 40 percent chance of showers. Highs in the mid 70s.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 50%. Low temperature around 56F. Dew point will be around 47F with an average humidity of 66%. Winds will be 7 mph from the W.
  • Forecast day icon
    Friday
    30% Chance of Rain
    68°
    Forecast night icon
    Night
    40% Chance of Rain
    53°
    Friday 5/10
    Day
    68°
    30% Chance of Rain
    Forecast day icon
    Night
    53°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 68F. Dew point will be around 45F with an average humidity of 51%. Winds will be 7 mph from the W.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 53F. Dew point will be around 41F with an average humidity of 55%. Winds will be 7 mph from the NW.
  • Forecast day icon
    Saturday
    Sunny
    65°
    Forecast night icon
    Night
    30% Chance of Rain
    52°
    Saturday 5/11
    Day
    65°
    Sunny
    Forecast day icon
    Night
    52°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Sunny. High temperature around 65F. Dew point will be around 38F with an average humidity of 44%. Winds will be 7 mph from the NW.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 52F. Dew point will be around 38F with an average humidity of 54%. Winds will be 5 mph from the NW.