10-Day Weather Forecast - Riverhead, NY

Mostly cloudy. Showers likely mainly in the morning. Humid with highs around 80. Northeast winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 70 percent.

Mostly cloudy. Lows in the mid 60s. North winds 10 to 15 mph with gusts up to 25 mph.

Mostly sunny. Highs in the lower 80s. North winds 5 to 10 mph becoming west in the afternoon.

Mostly clear. Lows in the upper 60s.

Mostly sunny. Highs in the mid 80s. Heat index values in the upper 90s in the afternoon.

Partly cloudy with a chance of showers. Lows around 70. Chance of rain 30 percent.

Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 40 percent. Heat index values up to 100.

Mostly cloudy. A chance of showers and thunderstorms in the evening. 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.

Partly cloudy. Lows in the upper 60s.

Mostly sunny. Highs in the mid 80s.

Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 70F. Dew point will be around 66F with an average humidity of 78%. Winds will be 6 mph from the W.

Sunny. High temperature around 83F. Dew point will be around 67F with an average humidity of 67%. Winds will be 8 mph from the W.

Clear. Low temperature around 71F. Dew point will be around 66F with an average humidity of 76%. Winds will be 9 mph from the W.

Mostly sunny. High temperature around 85F. Dew point will be around 67F with an average humidity of 65%. Winds will be 9 mph from the SW.

Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 72F. Dew point will be around 67F with an average humidity of 75%. Winds will be 11 mph from the SW.