10-Day Weather Forecast - Stony Brook, NY

Mostly cloudy. Highs in the upper 20s. North winds around 5 mph.

Cloudy. A chance of snow in the evening then snow after midnight. Light snow accumulation. Near steady temperature in the mid 20s. Southwest winds around 5 mph. Chance of snow 90 percent.

Snow likely mainly in the morning. Additional light snow accumulation possible. Very windy and cold with highs in the lower 20s. Northwest winds 20 to 25 mph with gusts up to 40 mph increasing to 25 to 35 mph with gusts up to 50 mph in the afternoon. Chance of snow 70 percent. Wind chill values as low as 6 below in the afternoon.

Mostly cloudy in the evening then clearing. Very windy and cold with lows around 5 above. Wind chill values as low as 15 below.

Sunny brisk cold with highs around 20. Wind chill values as low as 15 below in the morning.

Mostly clear. Cold with lows around 10 above. Wind chill values as low as 5 below after midnight.

Mostly sunny. Cold with highs in the mid 20s. Wind chill values as low as 5 below in the morning.

Partly cloudy in the evening then becoming mostly cloudy. Lows 10 to 15.

Mostly sunny. Highs in the upper 20s.

Mostly cloudy. Lows around 20.

Partly sunny. A chance of rain in the afternoon. Highs in the mid 30s. Chance of rain 30 percent.

Mostly cloudy. Lows in the mid 20s.

Mostly cloudy. Highs in the mid 30s.

Partly cloudy. Low temperature around 30F. Dew point will be around 21F with an average humidity of 65%. Winds will be 8 mph from the NW.

Partly cloudy with a slight chance of rain-snow mix. Chance of precipitation 25%. High temperature around 35F. Dew point will be around 21F with an average humidity of 62%. Winds will be 7 mph from the NW.

Cloudy with a chance of rain-snow mix. Chance of precipitation 35%. Low temperature around 32F. Dew point will be around 22F with an average humidity of 66%. Winds will be 5 mph from the N.

Partly cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 37F. Dew point will be around 24F with an average humidity of 63%. Winds will be 6 mph from the N.

Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 35F. Dew point will be around 25F with an average humidity of 66%. Winds will be 4 mph from the N.