Hourly Weather Forecast - Stony Brook, NY

12 AM
29°F
10%
6mph
NW
Cloudy
Humidity
65%
Feels like
22°F
Dew Point
19°F
1 AM
29°F
10%
6mph
NW
Cloudy
Humidity
65%
Feels like
22°F
Dew Point
19°F
2 AM
29°F
10%
6mph
WNW
Mostly Cloudy
Humidity
66%
Feels like
23°F
Dew Point
19°F
3 AM
28°F
10%
5mph
WNW
Mostly Cloudy
Humidity
68%
Feels like
22°F
Dew Point
19°F
4 AM
28°F
10%
5mph
WNW
Mostly Cloudy
Humidity
69%
Feels like
22°F
Dew Point
19°F
5 AM
27°F
10%
5mph
WNW
Partly Cloudy
Humidity
69%
Feels like
22°F
Dew Point
19°F
6 AM
28°F
20%
5mph
W
Partly Cloudy
Humidity
68%
Feels like
23°F
Dew Point
19°F
7 AM
30°F
20%
5mph
W
Mostly Cloudy
Humidity
65%
Feels like
25°F
Dew Point
20°F
7:14 AM
8 AM
33°F
30%
7mph
W
30% Chance Snow Showers
Humidity
66%
Feels like
26°F
Dew Point
23°F
9 AM
35°F
30%
7mph
WSW
30% Chance of Flurries
Humidity
63%
Feels like
29°F
Dew Point
24°F
10 AM
37°F
40%
8mph
SW
40% Chance of Light Rain
Humidity
64%
Feels like
31°F
Dew Point
26°F
11 AM
38°F
40%
9mph
SW
40% Chance of Light Rain
Humidity
65%
Feels like
32°F
Dew Point
27°F
12 PM
39°F
50%
9mph
SW
50% Chance of Light Rain
Humidity
68%
Feels like
33°F
Dew Point
29°F
1 PM
39°F
50%
10mph
SW
50% Chance of Light Rain
Humidity
71%
Feels like
33°F
Dew Point
31°F
2 PM
39°F
50%
10mph
SW
50% Chance of Light Rain
Humidity
75%
Feels like
33°F
Dew Point
32°F
3 PM
39°F
50%
10mph
SW
50% Chance of Light Rain
Humidity
79%
Feels like
32°F
Dew Point
33°F
4 PM
38°F
40%
10mph
SSW
40% Chance of Light Rain
Humidity
80%
Feels like
32°F
Dew Point
33°F
4:28 PM
5 PM
38°F
40%
11mph
SW
40% Chance of Light Rain
Humidity
81%
Feels like
31°F
Dew Point
33°F

Rainfall and Snowfall Totals Through Thursday

Flooding Rain, Heavy Snow and Winds Slam Northwest, North-Central U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Thursday's Weather Outlook

Thursday's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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