Live Weather & Forecast
Weather in Greenwich
Connecticut, United States · Real-time conditions & 3-day outlook
7°C
Feels like 4°C
45°F / Feels 39°F
Overcast
Greenwich, Connecticut
🌙 Nighttime
Updated: 2026-04-13 04:45
Humidity
80%
Wind
19.8 km/h SSW
Wind Gust
30.4 km/h
Pressure
1023 mb
Visibility
16 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
25%
Dew Point
5.6°C
Wind Degree
202°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
182.9 μg/m³
NO₂
18 μg/m³
O₃
76 μg/m³
SO₂
5.7 μg/m³
PM 2.5
9.4 μg/m³
PM 10
10.8 μg/m³
Today's Hourly Forecast
24-hour breakdown for Greenwich, Connecticut
12 AM
7°
Clear
1 AM
7°
Clear
2 AM
8°
Partly Cloudy
3 AM
8°
Clear
4 AM
7°
Overcast
5 AM
8°
Overcast
6 AM
9°
Overcast
7 AM
10°
Overcast
8 AM
11°
Overcast
9 AM
13°
Overcast
10 AM
15°
Cloudy
11 AM
19°
Partly Cloudy
12 PM
23°
Sunny
1 PM
26°
Sunny
2 PM
28°
Sunny
3 PM
27°
Sunny
4 PM
27°
Patchy rain nearby
5 PM
28°
Sunny
6 PM
24°
Sunny
7 PM
21°
Partly Cloudy
8 PM
20°
Partly Cloudy
9 PM
19°
Partly Cloudy
10 PM
17°
Clear
11 PM
17°
Clear
3-Day Forecast
Daily overview for Greenwich, Connecticut
Today
Partly Cloudy
30°
/
7°
🌧️ 0% chance of rain
💧 Avg. humidity: 74%
💨 Max wind: 27.7 km/h
🌧️ Total precip: 0.01 mm
☀️ UV Index: 1.4
🌅 Sunrise: 06:18 AM
🌇 Sunset: 07:32 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Patchy rain nearby
25°
/
14°
🌧️ 88% chance of rain
💧 Avg. humidity: 77%
💨 Max wind: 24.1 km/h
🌧️ Total precip: 0.12 mm
☀️ UV Index: 1.8
🌅 Sunrise: 06:16 AM
🌇 Sunset: 07:34 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Sunny
28°
/
14°
🌧️ 0% chance of rain
💧 Avg. humidity: 76%
💨 Max wind: 23.4 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.8
🌅 Sunrise: 06:15 AM
🌇 Sunset: 07:35 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Best Time to Visit Greenwich
Plan your trip to Greenwich, 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 Greenwich?
Current conditions in Greenwich: Overcast, temperature 7°C, humidity 80%.
What is the best time to visit Greenwich?
The best time to visit Greenwich is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Greenwich?
Greenwich is located at approximately 41° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Greenwich?
The wettest period in Greenwich is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Greenwich?
For visits to Greenwich during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Greenwich in?
Greenwich is located in United States, in the state of Connecticut.
What are the public holidays in Greenwich in 2026?
View the 2026 public holidays for Greenwich on our Holidays page.
What are the GPS coordinates used for the weather forecast in Greenwich?
The weather forecast for Greenwich uses coordinates 41.0265, -73.6285.