Lower Lagoon, CT Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Lower Lagoon Weather Forecast
| TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
| Patchy Fog | Patchy Fog | Chance of Showers | Chance of Showers | Partly Cloudy | Mostly Sunny | Mostly Cloudy | Showers Likely | Showers | Chance of Showers | Chance of Showers | Chance of Showers |
| Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C |
| POP: 40% | POP: 20% | POP: 70% | POP: 70% | POP: 40% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 321 PM EDT Wed Sep 16 2026 

Lower Lagoon Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Lower Lagoon Weather Map
Lower Lagoon Quick Facts
Lower Lagoon Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 350 PM EDT Wed Sep 16 2026
Key Messages
1) Shower chance for late Thursday into Thursday night.
2) Dry and pleasant Friday into the start of the weekend.
3) Wet weather increasingly likely later in the weekend and possibly carrying into the first half of next week.
Discussion
... .KEY MESSAGE 1...
High pressure over the area shifts offshore to the east allowing for a return S flow advecting moisture into the area late tonight into Thursday. This may result in patchy fog into Thursday morning as some locations are expected to co...
Weather World