Live Weather & Forecast
Weather in Sullivan
New York, United States · Real-time conditions & 3-day outlook
20°C
Feels like 20°C
67°F / Feels 67°F
Cloudy
Sullivan, New York
🌞 Daytime
Updated: 2026-04-13 14:00
Humidity
70%
Wind
20.5 km/h WSW
Wind Gust
34.3 km/h
Pressure
1015 mb
Visibility
10 km
UV Index
4.2
(Moderate)
Precipitation
0 mm
Cloud Cover
76%
Dew Point
13.1°C
Wind Degree
238°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
164.9 μg/m³
NO₂
3 μg/m³
O₃
106 μg/m³
SO₂
5 μg/m³
PM 2.5
8.3 μg/m³
PM 10
8.8 μg/m³
Today's Hourly Forecast
24-hour breakdown for Sullivan, New York
12 AM
9°
Clear
1 AM
9°
Clear
2 AM
9°
Clear
3 AM
9°
Clear
4 AM
9°
Clear
5 AM
9°
Clear
6 AM
10°
Clear
7 AM
10°
Sunny
8 AM
11°
Sunny
9 AM
12°
Sunny
10 AM
14°
Patchy rain nearby
11 AM
15°
Patchy rain nearby
12 PM
17°
Sunny
1 PM
18°
Sunny
2 PM
20°
Cloudy
3 PM
21°
Sunny
4 PM
23°
Sunny
5 PM
24°
Sunny
6 PM
23°
Sunny
7 PM
21°
Sunny
8 PM
19°
Clear
9 PM
18°
Clear
10 PM
17°
Clear
11 PM
16°
Clear
3-Day Forecast
Daily overview for Sullivan, New York
Today
Sunny
24°
/
9°
🌧️ 0% chance of rain
💧 Avg. humidity: 73%
💨 Max wind: 24.8 km/h
🌧️ Total precip: 0.04 mm
☀️ UV Index: 1
🌅 Sunrise: 06:29 AM
🌇 Sunset: 07:45 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Partly Cloudy
24°
/
15°
🌧️ 0% chance of rain
💧 Avg. humidity: 77%
💨 Max wind: 22 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.6
🌅 Sunrise: 06:28 AM
🌇 Sunset: 07:46 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Partly Cloudy
24°
/
17°
🌧️ 0% chance of rain
💧 Avg. humidity: 76%
💨 Max wind: 16.9 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.4
🌅 Sunrise: 06:26 AM
🌇 Sunset: 07:47 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Best Time to Visit Sullivan
Plan your trip to Sullivan, United States around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Sullivan?
Current conditions in Sullivan: Cloudy, temperature 20°C, humidity 70%.
What is the best time to visit Sullivan?
The best time to visit Sullivan is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Sullivan?
Sullivan is located at approximately 41.4° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Sullivan?
The wettest period in Sullivan is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Sullivan?
For visits to Sullivan during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Sullivan in?
Sullivan is located in United States, in the state of New York.
What are the public holidays in Sullivan in 2026?
View the 2026 public holidays for Sullivan on our Holidays page.
What are the GPS coordinates used for the weather forecast in Sullivan?
The weather forecast for Sullivan uses coordinates 41.4403, -76.5117.