Hourly Weather Forecast - Sullivan, NY

12 AM
22°F
40%
10mph
WSW
40% Chance of Flurries
Humidity
83%
Feels like
11°F
Dew Point
17°F
1 AM
21°F
40%
10mph
WSW
40% Chance of Flurries
Humidity
85%
Feels like
11°F
Dew Point
18°F
2 AM
21°F
40%
10mph
WSW
40% Chance of Flurries
Humidity
84%
Feels like
11°F
Dew Point
17°F
3 AM
21°F
40%
10mph
WSW
40% Chance of Flurries
Humidity
84%
Feels like
10°F
Dew Point
17°F
4 AM
21°F
50%
10mph
WSW
50% Chance of Flurries
Humidity
84%
Feels like
10°F
Dew Point
17°F
5 AM
21°F
60%
9mph
WSW
60% Chance of Flurries
Humidity
85%
Feels like
11°F
Dew Point
17°F
6 AM
21°F
70%
9mph
WSW
70% Chance of Flurries
Humidity
85%
Feels like
11°F
Dew Point
18°F
7 AM
21°F
70%
8mph
WSW
70% Chance of Flurries
Humidity
87%
Feels like
12°F
Dew Point
18°F
7:28 AM
8 AM
22°F
60%
8mph
WSW
60% Chance of Flurries
Humidity
87%
Feels like
12°F
Dew Point
19°F
9 AM
22°F
50%
9mph
WSW
50% Chance of Flurries
Humidity
89%
Feels like
13°F
Dew Point
20°F
10 AM
23°F
40%
9mph
WSW
40% Chance of Flurries
Humidity
91%
Feels like
14°F
Dew Point
21°F
11 AM
24°F
30%
9mph
W
30% Chance of Flurries
Humidity
90%
Feels like
15°F
Dew Point
22°F
12 PM
26°F
30%
9mph
W
30% Chance of Flurries
Humidity
89%
Feels like
17°F
Dew Point
23°F
1 PM
27°F
20%
9mph
W
Cloudy
Humidity
89%
Feels like
18°F
Dew Point
24°F
2 PM
28°F
10%
8mph
W
Cloudy
Humidity
88%
Feels like
20°F
Dew Point
25°F
3 PM
28°F
10%
7mph
W
Cloudy
Humidity
89%
Feels like
21°F
Dew Point
25°F
4 PM
28°F
10%
6mph
W
Cloudy
Humidity
91%
Feels like
21°F
Dew Point
25°F
4:29 PM
5 PM
26°F
10%
6mph
WSW
Mostly Cloudy
Humidity
92%
Feels like
20°F
Dew Point
24°F
6 PM
26°F
10%
5mph
SW
Partly Cloudy
Humidity
92%
Feels like
20°F
Dew Point
24°F

Snow and ice forecast through Friday A.M.

Multiple Snow Threats Across the Northern U.S.

Multiple systems will bring snow across the Northern U.S. through the end of the week.

Rainfall Forecast for Northwest through Friday A.M.

Unrelenting Rains Soak the Northwest

Thursday's Weather Outlook

Thursday's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

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

Cold Air Damming - Cause And Effects

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

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

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Outdoor Sports Guide