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The Upper Lagoon, CT Weather Forecast

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The Upper Lagoon, CT Weather Forecast

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The Upper Lagoon CT weather - Clear - 51°F
Clear
51°F
Updated 2:41 pm
Feels Like 42°F
Humidity 56%
Wind NNW 10 mph
Barometer  30.14 in
Dew Point 36°F
The Upper Lagoon CT weather - Clear - 11°C
Clear
11°C
Updated 2:41 pm
Feels Like 6°C
Humidity 56%
Wind NNW 16 km/h
Barometer  102 kPa
Dew Point 2°C
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The Upper Lagoon Weather Forecast

TODAY TONIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT
The Upper Lagoon, CT Weather - Today Mostly Cloudy The Upper Lagoon, CT Weather - Tonight Mostly Clear The Upper Lagoon, CT Weather - Sunday Sunny The Upper Lagoon, CT Weather - Sunday Night Clear The Upper Lagoon, CT Weather - Monday Mostly Sunny The Upper Lagoon, CT Weather - Monday Night Mostly Cloudy The Upper Lagoon, CT Weather - Tuesday Partly Sunny The Upper Lagoon, CT Weather - Tuesday Night Partly Cloudy The Upper Lagoon, CT Weather - Wednesday Mostly Sunny The Upper Lagoon, CT Weather - Wednesday Night Partly Cloudy The Upper Lagoon, CT Weather - Thursday Partly Sunny The Upper Lagoon, CT Weather - Thursday Night Mostly Cloudy
Mostly Cloudy Mostly Clear Sunny Clear Mostly Sunny Mostly Cloudy Partly Sunny Partly Cloudy Mostly Sunny Partly Cloudy Partly Sunny Mostly Cloudy
Hi: 51°FHi: 11°C
 Lo: 31°FLo: -1°C Hi: 55°FHi: 13°C
 Lo: 39°FLo: 4°C Hi: 59°FHi: 15°C
 Lo: 41°FLo: 5°C Hi: 61°FHi: 16°C
 Lo: 45°FLo: 7°C Hi: 60°FHi: 16°C
 Lo: 41°FLo: 5°C Hi: 60°FHi: 16°C
 Lo: 41°FLo: 5°C
POP = Probability of Precipitation.
Weather Outlook Updated: 920 AM EDT Sat Oct 17 2026 The Upper Lagoon, CT Weather - WeatherWorld.com

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The Upper Lagoon Forecast Discussion

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Issued: 133 PM EDT Sat Oct 17 2026

Key Messages

1) The coolest air mass of the season so far is moving in for the weekend.

2) Low pressure developing off the coast this weekend will meander offshore through much of next week. Coastal impacts are possible.


Discussion

... .KEY MESSAGE 1... The coolest air mass since late April will settle in to start the weekend.

Behind the fropa that moved through early this morning, sprawling surface high pressure builds east from the Plains and ushers in a much cooler, drier regime. Rain out east wil...