Holtsville, NY Current Weather and Forecast
Holtsville, NY Weather Forecast
9:56 AM EDT Mon Jun 3 2024
TODAY - Mostly sunny. Highs in the upper 70s. Southwest winds
5 to 10 mph.
TONIGHT - Partly cloudy. Lows around 60. South winds 5 to
10 mph, becoming east after midnight.
TUESDAY - Mostly sunny. Highs in the lower 70s. Southeast winds
5 to 10 mph.
TUESDAY NIGHT - Partly cloudy in the evening, then becoming
mostly cloudy. Lows around 60. Southeast winds 5 to 10 mph.
WEDNESDAY - Partly sunny. Highs in the lower 70s. South winds
5 to 10 mph.
WEDNESDAY NIGHT - Mostly cloudy. A chance of showers and
thunderstorms after midnight. Lows in the mid 60s. Chance of rain
50 percent.
THURSDAY - Showers likely with a chance of thunderstorms. Highs
in the mid 70s. Chance of rain 70 percent.
THURSDAY NIGHT - Mostly cloudy. Showers likely, mainly in the
evening. Lows in the lower 60s. Chance of rain 60 percent.
FRIDAY - Partly sunny. A chance of showers. Highs in the mid
70s. Chance of rain 30 percent.
FRIDAY NIGHT - Mostly cloudy with a chance of showers in the
evening, then partly cloudy after midnight. Lows in the lower
60s. Chance of rain 30 percent.
SATURDAY - Partly sunny. A chance of showers in the afternoon.
Highs in the mid 70s. Chance of rain 30 percent.
SATURDAY NIGHT - Mostly cloudy with a 30 percent chance of
showers. Lows in the lower 60s.
SUNDAY - Partly sunny in the morning, then becoming mostly
cloudy. A 30 percent chance of showers. Highs in the mid 70s.
National Weather Service New York NY
Holtsville, NY Current Weather Conditions
ISLIP LONG ISLAND MAC ART, NY, United States (KISP) 40-48N 073-06W 43M
Jun 03, 2024 - 11:56 AM EDT / 2024.06.03 1556 UTC
Wind: from the SSW (200 degrees) at 8 MPH (7 KT):0
Visibility: 10 mile(s):0
Sky conditions: mostly cloudy
Temperature: 79.0 F (26.1 C)
Dew Point: 63.0 F (17.2 C)
Relative Humidity: 58%
Pressure (altimeter): 29.91 in. Hg (1012 hPa)
Data:
Snowfall Total (inches)
Temperature - Highest of record (°F)
Temperature - Lowest of record (°F)
Mean number of days with minimum temperature 32 °F or lower
Mean number of days with maximum temperature 90 °F or higher
Normal precipitation (inches)
Mean number of days with precipitation 0.01 inches or more
Maximum wind speed (MPH)
Normal daily mean temperature (°F)
Normal cooling degree days, Base 65 °F
Normal heating degree days, Base 65 °F
Normal daily maximum temperature (°F)
Normal daily minimum temperature (°F)
Average percent of possible sunshine (%)
Cloudiness - Mean number of days clear
Cloudiness - Mean number of days partly cloudy
Cloudiness - Mean number of days cloudy
Average relative humidity - Morning (%)
Average relative humidity - Evening (%)
Tornadoes in 1950-2018
Tornadoes in 1950-1954
Tornadoes in 1955-1959
Tornadoes in 1960-1964
Tornadoes in 1965-1969
Tornadoes in 1970-1974
Tornadoes in 1975-1979
Tornadoes in 1980-1984
Tornadoes in 1985-1989
Tornadoes in 1990-1994
Tornadoes in 1995-1999
Tornadoes in 2000-2004
Tornadoes in 2005-2009
Tornadoes in 2010-2014
Tornadoes in 2015-2018
Earthquakes in 2000
Earthquakes in 2001
Earthquakes in 2002
Earthquakes in 2003
Earthquakes in 2004
Earthquakes in 2005
Earthquakes in 2006
Earthquakes in 2007
Earthquakes in 2008
Earthquakes in 2009
Earthquakes in 2010
Earthquakes in 2011
Earthquakes in 2012
Earthquakes in 2013
Earthquakes in 2014
Earthquakes in 2015
Earthquakes in 2016
Earthquakes in 2017
Earthquakes in 2018
Earthquakes in 2019
Earthquakes in 2020
Earthquakes in 2000-2020
Snowfall Total (inches)
Temperature - Highest of record (°F)
Temperature - Lowest of record (°F)
Mean number of days with minimum temperature 32 °F or lower
Mean number of days with maximum temperature 90 °F or higher
Normal precipitation (inches)
Mean number of days with precipitation 0.01 inches or more
Maximum wind speed (MPH)
Normal daily mean temperature (°F)
Normal cooling degree days, Base 65 °F
Normal heating degree days, Base 65 °F
Normal daily maximum temperature (°F)
Normal daily minimum temperature (°F)
Average percent of possible sunshine (%)
Cloudiness - Mean number of days clear
Cloudiness - Mean number of days partly cloudy
Cloudiness - Mean number of days cloudy
Average relative humidity - Morning (%)
Average relative humidity - Evening (%)
Snowfall Total (inches)
Temperature - Highest of record (°F)
Temperature - Lowest of record (°F)
Mean number of days with minimum temperature 32 °F or lower
Mean number of days with maximum temperature 90 °F or higher
Normal precipitation (inches)
Mean number of days with precipitation 0.01 inches or more
Maximum wind speed (MPH)
Normal daily mean temperature (°F)
Normal cooling degree days, Base 65 °F
Normal heating degree days, Base 65 °F
Normal daily maximum temperature (°F)
Normal daily minimum temperature (°F)
Average percent of possible sunshine (%)
Cloudiness - Mean number of days clear
Cloudiness - Mean number of days partly cloudy
Cloudiness - Mean number of days cloudy
Average relative humidity - Morning (%)
Average relative humidity - Evening (%)
Snowfall Total (inches)
Temperature - Highest of record (°F)
Temperature - Lowest of record (°F)
Mean number of days with minimum temperature 32 °F or lower
Mean number of days with maximum temperature 90 °F or higher
Normal precipitation (inches)
Mean number of days with precipitation 0.01 inches or more
Maximum wind speed (MPH)
Normal daily mean temperature (°F)
Normal cooling degree days, Base 65 °F
Normal heating degree days, Base 65 °F
Normal daily maximum temperature (°F)
Normal daily minimum temperature (°F)
Average percent of possible sunshine (%)
Cloudiness - Mean number of days clear
Cloudiness - Mean number of days partly cloudy
Cloudiness - Mean number of days cloudy
Average relative humidity - Morning (%)
Average relative humidity - Evening (%)
Snowfall Total (inches)
Temperature - Highest of record (°F)
Temperature - Lowest of record (°F)
Mean number of days with minimum temperature 32 °F or lower
Mean number of days with maximum temperature 90 °F or higher
Normal precipitation (inches)
Mean number of days with precipitation 0.01 inches or more
Maximum wind speed (MPH)
Normal daily mean temperature (°F)
Normal cooling degree days, Base 65 °F
Normal heating degree days, Base 65 °F
Normal daily maximum temperature (°F)
Normal daily minimum temperature (°F)
Average percent of possible sunshine (%)
Cloudiness - Mean number of days clear
Cloudiness - Mean number of days partly cloudy
Cloudiness - Mean number of days cloudy
Average relative humidity - Morning (%)
Average relative humidity - Evening (%)
Snowfall Total (inches)
Temperature - Highest of record (°F)
Temperature - Lowest of record (°F)
Mean number of days with minimum temperature 32 °F or lower
Mean number of days with maximum temperature 90 °F or higher
Normal precipitation (inches)
Mean number of days with precipitation 0.01 inches or more
Maximum wind speed (MPH)
Normal daily mean temperature (°F)
Normal cooling degree days, Base 65 °F
Normal heating degree days, Base 65 °F
Normal daily maximum temperature (°F)
Normal daily minimum temperature (°F)
Average percent of possible sunshine (%)
Cloudiness - Mean number of days clear
Cloudiness - Mean number of days partly cloudy
Cloudiness - Mean number of days cloudy
Average relative humidity - Morning (%)
Average relative humidity - Evening (%)
Snowfall Total (inches)
Temperature - Highest of record (°F)
Temperature - Lowest of record (°F)
Mean number of days with minimum temperature 32 °F or lower
Mean number of days with maximum temperature 90 °F or higher
Normal precipitation (inches)
Mean number of days with precipitation 0.01 inches or more
Maximum wind speed (MPH)
Normal daily mean temperature (°F)
Normal cooling degree days, Base 65 °F
Normal heating degree days, Base 65 °F
Normal daily maximum temperature (°F)
Normal daily minimum temperature (°F)
Average percent of possible sunshine (%)
Cloudiness - Mean number of days clear
Cloudiness - Mean number of days partly cloudy
Cloudiness - Mean number of days cloudy
Average relative humidity - Morning (%)
Average relative humidity - Evening (%)
Snowfall Total (inches)
Temperature - Highest of record (°F)
Temperature - Lowest of record (°F)
Mean number of days with minimum temperature 32 °F or lower
Mean number of days with maximum temperature 90 °F or higher
Normal precipitation (inches)
Mean number of days with precipitation 0.01 inches or more
Maximum wind speed (MPH)
Normal daily mean temperature (°F)
Normal cooling degree days, Base 65 °F
Normal heating degree days, Base 65 °F
Normal daily maximum temperature (°F)
Normal daily minimum temperature (°F)
Average percent of possible sunshine (%)
Cloudiness - Mean number of days clear
Cloudiness - Mean number of days partly cloudy
Cloudiness - Mean number of days cloudy
Average relative humidity - Morning (%)
Average relative humidity - Evening (%)
Snowfall Total (inches)
Temperature - Highest of record (°F)
Temperature - Lowest of record (°F)
Mean number of days with minimum temperature 32 °F or lower
Mean number of days with maximum temperature 90 °F or higher
Normal precipitation (inches)
Mean number of days with precipitation 0.01 inches or more
Maximum wind speed (MPH)
Normal daily mean temperature (°F)
Normal cooling degree days, Base 65 °F
Normal heating degree days, Base 65 °F
Normal daily maximum temperature (°F)
Normal daily minimum temperature (°F)
Average percent of possible sunshine (%)
Cloudiness - Mean number of days clear
Cloudiness - Mean number of days partly cloudy
Cloudiness - Mean number of days cloudy
Average relative humidity - Morning (%)
Average relative humidity - Evening (%)
Snowfall Total (inches)
Temperature - Highest of record (°F)
Temperature - Lowest of record (°F)
Mean number of days with minimum temperature 32 °F or lower
Mean number of days with maximum temperature 90 °F or higher
Normal precipitation (inches)
Mean number of days with precipitation 0.01 inches or more
Maximum wind speed (MPH)
Normal daily mean temperature (°F)
Normal cooling degree days, Base 65 °F
Normal heating degree days, Base 65 °F
Normal daily maximum temperature (°F)
Normal daily minimum temperature (°F)
Average percent of possible sunshine (%)
Cloudiness - Mean number of days clear
Cloudiness - Mean number of days partly cloudy
Cloudiness - Mean number of days cloudy
Average relative humidity - Morning (%)
Average relative humidity - Evening (%)
Snowfall Total (inches)
Temperature - Highest of record (°F)
Temperature - Lowest of record (°F)
Mean number of days with minimum temperature 32 °F or lower
Mean number of days with maximum temperature 90 °F or higher
Normal precipitation (inches)
Mean number of days with precipitation 0.01 inches or more
Maximum wind speed (MPH)
Normal daily mean temperature (°F)
Normal cooling degree days, Base 65 °F
Normal heating degree days, Base 65 °F
Normal daily maximum temperature (°F)
Normal daily minimum temperature (°F)
Average percent of possible sunshine (%)
Cloudiness - Mean number of days clear
Cloudiness - Mean number of days partly cloudy
Cloudiness - Mean number of days cloudy
Average relative humidity - Morning (%)
Average relative humidity - Evening (%)
Snowfall Total (inches)
Temperature - Highest of record (°F)
Temperature - Lowest of record (°F)
Mean number of days with minimum temperature 32 °F or lower
Mean number of days with maximum temperature 90 °F or higher
Normal precipitation (inches)
Mean number of days with precipitation 0.01 inches or more
Maximum wind speed (MPH)
Normal daily mean temperature (°F)
Normal cooling degree days, Base 65 °F
Normal heating degree days, Base 65 °F
Normal daily maximum temperature (°F)
Normal daily minimum temperature (°F)
Average percent of possible sunshine (%)
Cloudiness - Mean number of days clear
Cloudiness - Mean number of days partly cloudy
Cloudiness - Mean number of days cloudy
Average relative humidity - Morning (%)
Average relative humidity - Evening (%)
Snowfall Total (inches)
Temperature - Highest of record (°F)
Temperature - Lowest of record (°F)
Mean number of days with minimum temperature 32 °F or lower
Mean number of days with maximum temperature 90 °F or higher
Normal precipitation (inches)
Mean number of days with precipitation 0.01 inches or more
Maximum wind speed (MPH)
Normal daily mean temperature (°F)
Normal cooling degree days, Base 65 °F
Normal heating degree days, Base 65 °F
Normal daily maximum temperature (°F)
Normal daily minimum temperature (°F)
Average percent of possible sunshine (%)
Cloudiness - Mean number of days clear
Cloudiness - Mean number of days partly cloudy
Cloudiness - Mean number of days cloudy
Average relative humidity - Morning (%)
Average relative humidity - Evening (%)
