Grindstone, NY Weather Forecast
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Grindstone Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
| Partly Sunny | Mostly Cloudy | Showers | Showers | Chance of Showers | Partly Cloudy | Sunny | Clear | Sunny | Partly Cloudy | Chance of Showers | Chance of Showers |
| Lo: 60°FLo: 16°C | Lo: 65°FLo: 18°C | Hi: 70°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C | Lo: 61°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | ||
| POP: 90% | POP: 100% | POP: 50% | POP: 40% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 400 AM EDT Tue Sep 08 2026 

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Issued: 240 AM EDT Tue Sep 8 2026
Key Messages
1)Mainly dry weather to continue today and into tonight.
2) A cold front will cross the eastern Great Lakes Wednesday through Wednesday night, producing showers and thunderstorms.
Discussion
... KEY MESSAGE 1...Dry weather will prevail through Tuesday night.
High pressure over the area will sink to our south to the Mid- Atlantic region in response to a weakening backdoor front dropping out of Canada. While most of the area will continue to see dry weather today, an isolated shower can`t ...
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