Gainesville, NY Weather Forecast
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Gainesville Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
| Patchy Fog | Mostly Cloudy | Showers Likely | Chance of Showers | Mostly Cloudy | Mostly Cloudy | Partly Sunny | Partly Cloudy | Partly Sunny | Mostly Cloudy | Partly Sunny | Chance of Showers |
| Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C | Hi: 61°FHi: 16°C | Lo: 51°FLo: 11°C | Hi: 61°FHi: 16°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 70°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C |
| POP: 70% | POP: 70% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 400 AM EDT Sat Sep 26 2026 

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Issued: 151 AM EDT Sat Sep 26 2026
Key Messages
1) Dry weather will persist through tonight, then chances for rain return Sunday through Monday.
Discussion
... KEY MESSAGE 1...Dry weather will persist through tonight, then chances for rain return Sunday through Monday.
Broads surface high pressure across eastern Ontario and Quebec will remain in place today before drifting east Sunday. Subsidence and dry air associated with the high will continue to support dry weather through tonight, although there will be more high clouds than the...
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