Current Weather
9:56 AM
45°F
Sunny
RealFeel® 57°
Cool
RealFeel Shade™ 45°
Chilly
RealFeel®
57°
RealFeel Shade™
45°
Max UV Index
5.2 (Moderate)
Wind
NNE 3 mph
Wind Gusts
6 mph
Humidity
44%
Indoor Humidity
34% (Dry)
Dew Point
24° F
Pressure
↓ 30.33 in
Cloud Cover
2%
Visibility
12 mi
Cloud Ceiling
33400 ft
Day
4/21
50°Hi
RealFeel®
64°
Pleasant
RealFeel Shade™
49°
Chilly
Mostly sunny and cold
Max UV Index8.0 (Very High)
AccuLumen Brightness Index™9 (Very Bright)
WindESE 7 mph
Wind Gusts16 mph
Probability of Precipitation0%
Probability of Thunderstorms0%
Precipitation0.00 in
Cloud Cover16%
Night
4/21
40°Lo
RealFeel®
33°
Cold
Mainly cloudy with a touch of rain late
WindS 10 mph
Wind Gusts15 mph
Probability of Precipitation55%
Probability of Thunderstorms11%
Precipitation0.02 in
Rain0.02 in
Hours of Precipitation1
Hours of Rain1
Cloud Cover92%
Sun & Moon
13 hrs 33 mins
Rise
6:05 AM
Set
7:38 PM
Waxing Crescent
Rise
8:53 AM
Set
1:11 AM
Temperature History
4/21High
Low
Forecast
50°
40°
Average
60°
43°
Last Year
56°
45°
Record
76°
2007
33°
2014
Current Weather Conditions in Stony Brook
Stony Brook, New York is currently Sunny with a temperature of 45°. The current RealFeel® Temperature is 57° (Cool) based on observed conditions including 44% humidity, 2% cloud cover, a UV index of 5, and winds of 3 mph. In shade, the RealFeel Shade™ is 45°. AccuWeather's MinuteCast® provides minute-by-minute precipitation forecasts for Stony Brook, powered by forecasting systems and proprietary technology developed by AccuWeather meteorologists since 1962.