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Greenwich, CT Weather Forecast

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Greenwich, CT Weather Forecast

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Greenwich CT weather - Clear - 68°F
Clear
68°F
Updated 9:45 pm
Feels Like 66°F
Humidity 89%
Wind SSE 3 mph
Barometer  30.01 in
Dew Point 65°F
Greenwich CT weather - Clear - 20°C
Clear
20°C
Updated 9:45 pm
Feels Like 19°C
Humidity 89%
Wind SSE 5 km/h
Barometer  101.6 kPa
Dew Point 18°C
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Greenwich Weather Forecast

THIS AFTERNOON TONIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT
Greenwich, CT Weather - This Afternoon Partly Sunny Greenwich, CT Weather - Tonight Partly Cloudy Greenwich, CT Weather - Friday Chance Of Showers Greenwich, CT Weather - Friday Night Chance Of T-Storm Greenwich, CT Weather - Saturday Mostly Sunny Greenwich, CT Weather - Saturday Night Mostly Clear Greenwich, CT Weather - Sunday Chance Of Showers Greenwich, CT Weather - Sunday Night Chance Of Showers Greenwich, CT Weather - Monday Mostly Sunny Greenwich, CT Weather - Monday Night Mostly Clear Greenwich, CT Weather - Tuesday Sunny Greenwich, CT Weather - Tuesday Night Clear
Partly Sunny Partly Cloudy Chance of Showers Chance of T-Storm Mostly Sunny Mostly Clear Chance of Showers Chance of Showers Mostly Sunny Mostly Clear Sunny Clear
Hi: 75°FHi: 24°C
 Lo: 65°FLo: 18°C Hi: 81°FHi: 27°C
 Lo: 59°FLo: 15°C Hi: 69°FHi: 21°C
 Lo: 51°FLo: 11°C Hi: 65°FHi: 18°C
 Lo: 51°FLo: 11°C Hi: 69°FHi: 21°C
 Lo: 45°FLo: 7°C Hi: 59°FHi: 15°C
 Lo: 41°FLo: 5°C
POP: 20% POP: 40% POP: 40% POP: 40%
POP = Probability of Precipitation.
Weather Outlook Updated: 246 PM EDT Thu Oct 01 2026 Greenwich, CT Weather - WeatherWorld.com

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Issued: 737 PM EDT Thu Oct 1 2026

Key Messages

1) Cold front approaches Friday, crosses through Friday night. Above normal temperatures in store for Friday. Chance of showers afternoon into evening with possible isolated rumble of thunder.

2) Potential wave of low pressure and associated shower chances late this weekend.

3) Temperatures overall turning cooler for the weekend into next week.


Discussion

... .KEY MESSAGE 1... Mid level height falls as mid level shortwave moves southeast into the region for Friday. Mid level flow remains...