10-Day Weather Forecast - Holtsville, NY

Showers with a chance of thunderstorms. Patchy fog. Windy with highs in the mid 50s. South winds 20 to 30 mph with gusts up to 45 mph. Chance of rain 90 percent.

Patchy fog in the evening. Showers with a chance of thunderstorms in the evening then showers with a slight chance of thunderstorms after midnight. Some thunderstorms may produce gusty winds in the evening. Very windy with lows in the mid 30s. South winds 25 to 35 mph becoming southwest 20 to 30 mph after midnight. Gusts up to 50 mph. Chance of rain near 100 percent.

Partly sunny. A chance of rain showers in the morning. Breezy with highs in the lower 40s. West winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 50 percent.

Partly cloudy in the evening then clearing. Breezy with lows in the mid 20s.

Mostly sunny. Highs in the upper 30s.

Mostly cloudy. Lows in the upper 20s.

Partly sunny. Highs in the lower 40s.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 30s.

Mostly sunny. Highs in the upper 40s.

Partly cloudy in the evening then mostly cloudy with a chance of rain after midnight. Lows in the mid 30s. Chance of rain 40 percent.

Mostly cloudy in the morning then becoming partly sunny. A 40 percent chance of rain. Highs around 50.

Mostly cloudy. Lows in the mid 30s.

Partly sunny. Highs in the upper 40s.

Partly cloudy. Low temperature around 28F. Dew point will be around 21F with an average humidity of 62%. Winds will be 8 mph from the NW.

Cloudy. High temperature around 42F. Dew point will be around 24F with an average humidity of 61%. Winds will be 7 mph from the NW.

Partly cloudy. Low temperature around 28F. Dew point will be around 23F with an average humidity of 68%. Winds will be 8 mph from the NW.

Sunny. High temperature around 43F. Dew point will be around 22F with an average humidity of 53%. Winds will be 7 mph from the NW.

Mostly clear. Low temperature around 31F. Dew point will be around 25F with an average humidity of 65%. Winds will be 4 mph from the W.