Greenwich, CT weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Greenwich now
Loading the National Weather Service forecast…
Greenwich weather by the hour
Greenwich weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Greenwich.
This week in Greenwich
Sunrise, sunset and moon in Greenwich
What is the weather usually like in Greenwich?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 84°F average high
- Januarycoldest month · 23°F average low
- 47.8 inprecipitation per year · 1,213 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Greenwich: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station WESTCHESTER CO AP, NY US (USW00094745), adjusted for the elevation of Greenwich.
Greenwich weather month by month
Sunrise and sunset in Greenwich through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:15 AM | 4:52 PM | 9 h 36 min |
| February | 6:47 AM | 5:30 PM | 10 h 43 min |
| March | 7:04 AM | 7:02 PM | 11 h 58 min |
| April | 6:13 AM | 7:35 PM | 13 h 22 min |
| May | 5:34 AM | 8:07 PM | 14 h 32 min |
| June | 5:20 AM | 8:30 PM | 15 h 10 min |
| July | 5:33 AM | 8:27 PM | 14 h 53 min |
| August | 6:03 AM | 7:54 PM | 13 h 51 min |
| September | 6:33 AM | 7:05 PM | 12 h 31 min |
| October | 7:04 AM | 6:15 PM | 11 h 10 min |
| November | 6:40 AM | 4:37 PM | 9 h 56 min |
| December | 7:10 AM | 4:28 PM | 9 h 17 min |
Times for the 15th of each month, local time (America/New York).
What is the weather like in Greenwich?
Greenwich has a hot-summer humid continental climate. The warmest month is July, with an average high of 84°F (29°C), and the coldest is January, with average lows of 23°F (-5°C).
It gets about 47.8 inches (1,213 mm) of precipitation a year. The wettest month is September and the driest is February.
The best time to visit Greenwich is June to September. At 92 ft of elevation, nights are mild most of the year. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
More about Greenwich
Weather in towns near Greenwich
Questions about the weather in Greenwich
What is the hottest month in Greenwich?
July, with an average high of 84°F (29°C).
What is the coldest month in Greenwich?
January, with an average low of 23°F (-5°C).
How much does it rain in Greenwich?
About 47.8 inches (1,213 mm) a year; the wettest month is September.
Does it snow in Greenwich?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Greenwich?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Greenwich have?
Hot-summer humid continental (Köppen Dfa).
What is the weather like in Greenwich in November?
Highs average 53°F and lows 37°F, with about 3.6 inches of precipitation.
What time is sunrise in Greenwich?
Around 6:40 AM in mid-November, and sunset around 4:37 PM. Today’s exact times are shown above.
Where does this Greenwich weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Greenwich.
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