10-Day Weather Forecast - Mattituck, NY

Sunny. Highs in the upper 70s. North winds 5 to 10 mph becoming west in the afternoon.

Mostly clear in the evening then becoming partly cloudy. Lows in the upper 60s. Southwest winds 5 to 10 mph.

Mostly sunny. Humid with highs around 80. Southwest winds 10 to 15 mph.

Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Humid with lows around 70. Southwest winds 10 to 15 mph. Chance of rain 50 percent.

Partly sunny. A chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 40 percent. Heat index values in the mid 90s in the afternoon.

Mostly cloudy with a chance of showers in the evening then partly cloudy after midnight. Lows around 70. Chance of rain 40 percent.

Mostly sunny. Highs in the lower 80s.

Partly cloudy. Lows in the upper 60s.

Sunny. Highs in the lower 80s.

Mostly clear in the evening then becoming partly cloudy. Lows in the upper 60s.

Sunny. Highs in the lower 80s.

Mostly clear in the evening then becoming partly cloudy. Lows around 70.

Sunny. Highs in the upper 80s. Heat index values in the mid 90s.

Mostly clear. Low temperature around 73F. Dew point will be around 67F with an average humidity of 74%. Winds will be 11 mph from the SW.

Mostly sunny. High temperature around 88F. Dew point will be around 68F with an average humidity of 63%. Winds will be 9 mph from the W.

Mostly clear. Low temperature around 72F. Dew point will be around 66F with an average humidity of 69%. Winds will be 6 mph from the W.

Mostly sunny. High temperature around 86F. Dew point will be around 66F with an average humidity of 61%. Winds will be 5 mph from the W.

Clear. Low temperature around 71F. Dew point will be around 65F with an average humidity of 71%. Winds will be 5 mph from the W.