Current Weather
3:39 PM
48°F
Mostly cloudy
RealFeel® 47°
Chilly
RealFeel Shade™ 42°
Chilly
RealFeel®
47°
RealFeel Shade™
42°
Max UV Index
2.7 (Moderate)
Wind
NW 7 mph
Wind Gusts
13 mph
Humidity
53%
Indoor Humidity
40% (Slightly Dry)
Dew Point
32° F
Pressure
↔ 30.12 in
Cloud Cover
77%
Visibility
11 mi
Cloud Ceiling
40000 ft
Day
4/20
52°Hi
RealFeel®
55°
Cool
RealFeel Shade™
48°
Chilly
Cool with decreasing clouds; a shower in spots early this afternoon; a jacket may come in handy
Max UV Index8.0 (Very High)
AccuLumen Brightness Index™6 (Medium)
WindW 8 mph
Wind Gusts18 mph
Probability of Precipitation40%
Probability of Thunderstorms8%
Precipitation0.01 in
Rain0.01 in
Hours of Precipitation0.5
Hours of Rain0.5
Cloud Cover57%
Night
4/20
33°Lo
RealFeel®
26°
Cold
Clear to partly cloudy and cold with the temperature tying the record low from 2014; cover sensitive vegetation and bring plants indoors
WindNNW 10 mph
Wind Gusts14 mph
Probability of Precipitation4%
Probability of Thunderstorms0%
Precipitation0.00 in
Cloud Cover16%
Sun & Moon
13 hrs 31 mins
Rise
6:06 AM
Set
7:37 PM
Waxing Crescent
Rise
7:52 AM
Set
12:09 AM
Temperature History
4/20High
Low
Forecast
52°
33°
Average
60°
43°
Last Year
70°
49°
Record
82°
2005
32°
2001
Current Weather Conditions in Stony Brook
Stony Brook, New York is currently Mostly cloudy with a temperature of 48°. The current RealFeel® Temperature is 47° (Chilly) based on observed conditions including 53% humidity, 77% cloud cover, a UV index of 3, and winds of 7 mph. In shade, the RealFeel Shade™ is 42°. 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.
