Stony Brook Weather Today — New York, United States
Current temperature, rain chance, humidity, wind and air quality in Stony Brook, plus an hourly and 3-day forecast. Updated through the day.
03:52
Sat, 19 Sep 2026
📍 New York, United States
Stony Brook??
18
°C
Clear
Feels 11°C · 64°F
💧 50% Humidity
💨 ↗ 29.5 km/h NE
👁 10 km Visibility
🌧 0 mm Precip
☁ 22% Cloud
☀️ UV Low
🌿 AQI Good
☀️ UV Index
0
Low
🔵 Pressure
1020
hPa · 30.13 in
💨 Wind
29.5
km/h · Gust 38.2 km/h
↗ NE
💧 Humidity
50%
Dew point 7.1°C
👁 Visibility
10
km · 6 miles
🌡 Heat Index
17.6°
Wind chill 17.6°C
🌿 Air Quality
Good
US EPA Index: 1
🌅
Sunrise
06:37 AM
🌇
Sunset
06:55 PM
📅 3-Day Forecast
Saturday
19 Sep 2026
Overcast
20°
/
15°
💧57%
🌧0mm
💨31
☀️UV 6
Sunday
20 Sep 2026
Light rain shower
20°
/
16°
💧79%
🌧15.73mm
💨20
☀️UV 0.5
Monday
21 Sep 2026
Patchy rain nearby
21°
/
16°
💧84%
🌧10.81mm
💨35
☀️UV 2.8
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