Columbia, CT Weather Forecast
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Columbia Weather Forecast
| TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
| Clearing | Partly Cloudy | Patchy Fog | Chance of Showers | Mostly Sunny | Partly Cloudy | Sunny | Chance of Showers | Showers | Showers | Partly Cloudy | Partly Cloudy |
| Hi: 71°FHi: 22°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Lo: 41°FLo: 5°C | Hi: 49°FHi: 9°C Lo: 31°FLo: -1°C | Hi: 49°FHi: 9°C Lo: 31°FLo: -1°C |
| POP: 40% | POP: 50% | POP: 80% | POP: 70% |
POP = Probability of Precipitation.
Weather Outlook Updated: 404 AM EDT Mon Oct 12 2026 

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Issued: 217 AM EDT Mon Oct 12 2026
Key Messages
- After a dry, warmer, and increasingly sunny Monday low clouds and rain showers return Tuesday/Tuesday night with a rumble of thunder possible.
- Drying out Wednesday and especially Thursday under high pressure.
- Next, stronger storm system arrives Friday into Saturday.
Discussion
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KEY MESSAGE 1...After a dry and increasingly sunny Monday low clouds and rain showers return Tuesday/Tuesday night with a rumble of thunder possible.
Satellite shows the primary low impacting southern New Engla...
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