Weather Alert
Greenwich Common Weather Warning NWS WEATHER ALERT FOR THE GREENWICH COMMON, CT AREA - FLOOD WARNING Issued: 423 PM EDT Sat Sep 26 2026 Greenwich Common Weather Warning

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Greenwich Common, CT Weather - Hour by Hour Forecast

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Greenwich Common, CT Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Light Rain. Temperature is 57°F14°C, dew point 54°F12°C, humidity 89%. Wind direction is N at 20 mph32 km/h with visibility of 10 mi16 km. Barometric pressure is 29.7 in1006 mb.
Tonight - Periods of rain with isolated thunderstorms this evening, then rain with isolated thunderstorms after midnight. Rain May be heavy .. Full Forecast
Sunday - Rain with isolated thunderstorms. Some thunderstorms May produce heavy rainfall in the afternoon. Windy with highs in the mid 60s... Full Forecast

Greenwich Common Hourly Weather

24 Hour Forecast Scroll
Sat, Sep 26
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Greenwich Common, CT Hourly Weather - Cloudy - 11:00 PM Greenwich Common, CT Hourly Weather - Cloudy - 12:00 AM Greenwich Common, CT Hourly Weather - Cloudy - 1:00 AM Greenwich Common, CT Hourly Weather - Cloudy - 2:00 AM Greenwich Common, CT Hourly Weather - Cloudy - 3:00 AM Greenwich Common, CT Hourly Weather - Cloudy - 4:00 AM Greenwich Common, CT Hourly Weather - Cloudy - 5:00 AM Greenwich Common, CT Hourly Weather - Cloudy - 6:00 AM Greenwich Common, CT Hourly Weather - Cloudy - 7:00 AM Greenwich Common, CT Hourly Weather - Cloudy - 8:00 AM Greenwich Common, CT Hourly Weather - Cloudy - 9:00 AM Greenwich Common, CT Hourly Weather - Cloudy - 10:00 AM Greenwich Common, CT Hourly Weather - Cloudy - 11:00 AM Greenwich Common, CT Hourly Weather - Cloudy - 12:00 PM Greenwich Common, CT Hourly Weather - Cloudy - 1:00 PM Greenwich Common, CT Hourly Weather - Cloudy - 2:00 PM Greenwich Common, CT Hourly Weather - Cloudy - 3:00 PM Greenwich Common, CT Hourly Weather - Cloudy - 4:00 PM Greenwich Common, CT Hourly Weather - Cloudy - 5:00 PM Greenwich Common, CT Hourly Weather - Cloudy - 6:00 PM Greenwich Common, CT Hourly Weather - Cloudy - 7:00 PM Greenwich Common, CT Hourly Weather - Cloudy - 8:00 PM Greenwich Common, CT Hourly Weather - Cloudy - 9:00 PM Greenwich Common, CT Hourly Weather - Cloudy - 10:00 PM
Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
60°F16°C 60°F16°C 59°F15°C 59°F15°C 59°F15°C 58°F14°C 58°F14°C 58°F14°C 58°F14°C 58°F14°C 58°F14°C 59°F15°C 59°F15°C 59°F15°C 59°F15°C 59°F15°C 59°F15°C 58°F14°C 58°F14°C 57°F14°C 56°F13°C 55°F13°C 55°F13°C 55°F13°C
Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain
100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 67% 67% 67% 67% 67% 67% 68% 68% 68% 68% 68% 68% 53% 53%
58°F14°C 58°F14°C 57°F14°C 57°F14°C 57°F14°C 56°F13°C 56°F13°C 56°F13°C 56°F13°C 56°F13°C 56°F13°C 56°F13°C 56°F13°C 56°F13°C 57°F14°C 57°F14°C 57°F14°C 57°F14°C 57°F14°C 56°F13°C 56°F13°C 55°F13°C 54°F12°C 54°F12°C
93% 93% 93% 93% 93% 93% 93% 93% 93% 93% 93% 90% 90% 90% 93% 93% 93% 96% 96% 96% 100% 100% 96% 96%
NE NE NE NE NE NE NE NE NNE NNE NNE NNE NNE SE SSW N N N N N NNW NNW NNW NNW
15 mph 15 mph 13 mph 13 mph 13 mph 16 mph 16 mph 16 mph 16 mph 16 mph 16 mph 13 mph 13 mph 13 mph 14 mph 14 mph 14 mph 10 mph 10 mph 10 mph 11 mph 11 mph 11 mph 8 mph
3 mi5 km 3 mi5 km 3 mi5 km 3 mi5 km 3 mi5 km 3 mi5 km 3 mi5 km 3 mi5 km .75 mi1 km .75 mi1 km .75 mi1 km .75 mi1 km .75 mi1 km .75 mi1 km 3 mi5 km 3 mi5 km 3 mi5 km 3 mi5 km 3 mi5 km 3 mi5 km 3 mi5 km 3 mi5 km 3 mi5 km 5 mi8 km
Hour (EDT)
Weather
Clouds
Temperature
Precip. Type
POP
Dewpoint
Humidity
Wind Direction
Wind Speed
Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from KHPN model statistics.

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Prob Precip % = Probability of Precipitation.

Greenwich Common 36 Hour Forecast

POP = Probability of Precipitation. ** Indicates missing data/values from model statistics.

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