Holtsville, NY 10-Day Weather Charts

24 Hour Forecast

Current Conditions - Light Rain. Temperature is 34°F1°C, dew point 33°F1°C, humidity 96%. Wind direction is WSW at 5 mph8 km/h with visibility of 1/2 mi2 km. Barometric pressure is 30.18 in1022 mb.

Tonight - Rain. Patchy fog. Lows in the mid 30s. South winds 5 to 10 mph, becoming southwest with gusts up to 20 mph after midnight. Chance .. Full Forecast

Wednesday - Mostly sunny. Highs in the mid 40s. Northwest winds around 5 mph, becoming east in the afternoon... Full Forecast

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10 Day High/Low Temp Chart

10 Day High/Low Temp Chart

10 Day POP Chart

10 Day Dew Point Chart

10 Day Dew Point Chart

10 Day Humidity Chart

10 Day UV Index Chart

10 Day Barometric Pressure Chart

10 Day Barometric Pressure Chart