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Oneonta Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
 |  |  |  | |  | |  | | |  | |
| Chance of T-Storm | Chance of T-Storm | Partly Sunny | Partly Cloudy | Partly Sunny | Showers | Showers | Mostly Cloudy | Partly Sunny | Partly Cloudy | Chance of Showers | Partly Cloudy |
| Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C | Lo: 41°FLo: 5°C | Hi: 69°FHi: 21°C | Lo: 50°FLo: 10°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C |
| POP: 100% | POP: 70% | POP: 90% | POP: 90% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 335 AM EDT Thu Sep 17 2026 
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Issued: 108 AM EDT Thu Sep 17 2026
Key Messages
1) Showers and thunderstorms today may bring locally heavy rainfall and isolated flash flooding.
2) Cooler and drier weather returns Friday into Saturday, with chilly overnight temperatures and mostly clear skies.
3) Another system will bring widespread showers Saturday night into Sunday, followed by drier weather Monday.
Discussion
... KEY MESSAGE 1...
A low pressure system approaches from the west this morning, with a warm front lifting into the region and scattered showers developing a...