Live Weather & Forecast
Weather in Cornwall
New York, United States · Real-time conditions & 3-day outlook
28°C
Feels like 29°C
83°F / Feels 85°F
Partly cloudy
Cornwall, New York
🌞 Daytime
Updated: 2026-04-15 14:45
Humidity
55%
Wind
18.4 km/h SW
Wind Gust
21.1 km/h
Pressure
1010 mb
Visibility
16 km
UV Index
6.8
(High)
Precipitation
0 mm
Cloud Cover
50%
Dew Point
18.2°C
Wind Degree
230°
Air Quality Index
US EPA: Good
UK DEFRA: Low (2)
CO
207.9 μg/m³
NO₂
5.8 μg/m³
O₃
105 μg/m³
SO₂
5 μg/m³
PM 2.5
12.6 μg/m³
PM 10
13.7 μg/m³
Today's Hourly Forecast
24-hour breakdown for Cornwall, New York
12 AM
19°
Clear
1 AM
18°
Clear
2 AM
18°
Clear
3 AM
17°
Clear
4 AM
16°
Clear
5 AM
16°
Clear
6 AM
16°
Clear
7 AM
17°
Sunny
8 AM
18°
Sunny
9 AM
20°
Sunny
10 AM
23°
Sunny
11 AM
26°
Sunny
12 PM
28°
Sunny
1 PM
28°
Sunny
2 PM
28°
Partly cloudy
3 PM
31°
Sunny
4 PM
31°
Sunny
5 PM
31°
Sunny
6 PM
29°
Sunny
7 PM
27°
Sunny
8 PM
26°
Clear
9 PM
25°
Clear
10 PM
23°
Clear
11 PM
22°
Clear
3-Day Forecast
Daily overview for Cornwall, New York
Today
Sunny
32°
/
16°
🌧️ 0% chance of rain
💧 Avg. humidity: 67%
💨 Max wind: 18.4 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.9
🌅 Sunrise: 06:16 AM
🌇 Sunset: 07:37 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Patchy rain nearby
30°
/
20°
🌧️ 74% chance of rain
💧 Avg. humidity: 64%
💨 Max wind: 20.5 km/h
🌧️ Total precip: 2.19 mm
☀️ UV Index: 1.7
🌅 Sunrise: 06:15 AM
🌇 Sunset: 07:38 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Partly Cloudy
22°
/
17°
🌧️ 0% chance of rain
💧 Avg. humidity: 73%
💨 Max wind: 16.9 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.4
🌅 Sunrise: 06:13 AM
🌇 Sunset: 07:39 PM
🌙 New Moon
🌑 Moon: 0% lit
Best Time to Visit Cornwall
Plan your trip to Cornwall, 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 Cornwall?
Current conditions in Cornwall: Partly cloudy, temperature 28°C, humidity 55%.
What is the best time to visit Cornwall?
The best time to visit Cornwall is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Cornwall?
Cornwall is located at approximately 41.4° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Cornwall?
The wettest period in Cornwall is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Cornwall?
For visits to Cornwall during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Cornwall in?
Cornwall is located in United States, in the state of New York.
What are the public holidays in Cornwall in 2026?
View the 2026 public holidays for Cornwall on our Holidays page.
What are the GPS coordinates used for the weather forecast in Cornwall?
The weather forecast for Cornwall uses coordinates 41.4344, -74.0358.