Hourly Weather Forecast - Stony Brook, NY

9 AM
27°F
0%
11mph
W
Mostly Sunny
Humidity
84%
Feels like
17°F
Dew Point
23°F
10 AM
28°F
0%
13mph
WSW
Mostly Sunny
Humidity
77%
Feels like
17°F
Dew Point
22°F
11 AM
29°F
0%
13mph
WSW
Sunny
Humidity
71%
Feels like
18°F
Dew Point
20°F
12 PM
29°F
0%
15mph
WSW
Sunny
Humidity
68%
Feels like
18°F
Dew Point
20°F
1 PM
29°F
0%
15mph
WSW
Sunny
Humidity
68%
Feels like
18°F
Dew Point
20°F
2 PM
29°F
0%
16mph
WSW
Mostly Sunny
Humidity
70%
Feels like
18°F
Dew Point
21°F
3 PM
29°F
0%
16mph
WSW
Partly Cloudy
Humidity
72%
Feels like
18°F
Dew Point
21°F
4 PM
29°F
0%
16mph
WSW
Partly Cloudy
Humidity
74%
Feels like
17°F
Dew Point
22°F
4:53 PM
5 PM
29°F
0%
15mph
WSW
Partly Cloudy
Humidity
77%
Feels like
17°F
Dew Point
22°F
6 PM
29°F
0%
15mph
WSW
Partly Cloudy
Humidity
75%
Feels like
18°F
Dew Point
22°F
7 PM
29°F
0%
14mph
WSW
Partly Cloudy
Humidity
72%
Feels like
19°F
Dew Point
22°F
8 PM
30°F
0%
15mph
WSW
Partly Cloudy
Humidity
67%
Feels like
19°F
Dew Point
20°F
9 PM
29°F
0%
17mph
WSW
Mostly Clear
Humidity
64%
Feels like
17°F
Dew Point
19°F
10 PM
28°F
0%
18mph
W
Mostly Clear
Humidity
62%
Feels like
16°F
Dew Point
17°F
11 PM
27°F
0%
17mph
W
Mostly Clear
Humidity
62%
Feels like
14°F
Dew Point
15°F

Snow Forecast through Sunday

Series of Weather Systems Cover Great Lakes, East in Snow

Two main areas of low pressure will produce snow in the Upper Midwest, Great Lakes and Eastern U.S.

Monday's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for January 15, 2026

Active Weather Creates Mix of Improvements, Degradations to Drought Depiction

Vehicle driving in wintry conditions

Prepare Your Car for Cold Weather

(Image provided by NOAA)

Polar Vortex: What Is It?

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

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