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Town of Harwinton, CTHarwinton, CT Weather Forecast
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Harwinton Weather Forecast
| THIS AFTERNOON | TONIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
 | |  |  |  |  | | |  |  |  | |
| Showers | Showers | Clearing | Mostly Clear | Mostly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Sunny | Chance of Showers | Showers Likely | Showers Likely |
| Hi: 59°FHi: 15°C | Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Lo: 60°FLo: 16°C | Hi: 75°FHi: 24°C Lo: 50°FLo: 10°C | Hi: 75°FHi: 24°C Lo: 50°FLo: 10°C | Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C Lo: 45°FLo: 7°C |
| POP: 100% | POP: 100% | POP: 30% | POP: 70% | POP: 70% |
POP = Probability of Precipitation.
Weather Outlook Updated: 230 PM EDT Sun Oct 11 2026 
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Issued: 742 PM EDT Sun Oct 11 2026
Key Messages
1) Periods of rain continue through tonight.
2) Medium to high chances of rain showers Tuesday and below normal temperatures returning Wednesday through the end of the week.
Discussion
... KEY MESSAGE 1... The southern Adirondacks, Mohawk Valley, and Lake George- Saratoga regions are likely to continue to see light drizzle to dry conditions through the next one to two hours before light accumulating precipitation moves in from the south and brings light rainfall amounts between 0.1 to 0...