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Town of Sidney, NYSidney, NY Weather Forecast
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| OVERNIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
 | | |  | | |  |  |  |  | | |
| Patchy Fog | Patchy Fog | Patchy Fog | Mostly Sunny | Patchy Fog | Patchy Fog | Partly Cloudy | Mostly Cloudy | Showers | Chance of Showers | Partly Cloudy | Partly Sunny |
| Lo: 51°FLo: 11°C | Hi: 70°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C | Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 71°FHi: 22°C | Lo: 50°FLo: 10°C | Hi: 69°FHi: 21°C |
| POP: 80% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1235 AM EDT Sun Sep 06 2026 
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Issued: 1254 AM EDT Sun Sep 6 2026
Key Messages
1) A generally dry Fall-like pattern will persist for the remainder of Labor Day Weekend.
2) Warming is expected Tuesday into Wednesday, ahead of a frontal system projected to pass through with showers and perhaps embedded thunder late Wednesday or early Thursday.
Discussion
... KEY MESSAGE 1... Cool and dry northerly flow will continue for our region, due to circulation around a stacked low pressure that is slow to progress out of the Canadian Maritime provinces. With the chilly air al...