Addison, NY Weather Forecast
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Addison Weather Forecast
| THIS AFTERNOON | TONIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
| Mostly Sunny | Patchy Fog | Patchy Fog | Partly Cloudy | Partly Sunny | Partly Cloudy | Chance of Showers | Showers | Chance of Showers | Partly Cloudy | Partly Sunny | Mostly Clear |
| Hi: 70°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C | Lo: 49°FLo: 9°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 71°FHi: 22°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C |
| POP: 40% | POP: 70% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1235 PM EDT Sun Sep 06 2026 

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Issued: 137 PM 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...
Upper level troughing is in place with dry air aloft, with plentiful fair weather cumulus that has developed this afternoon. Any shower development through the day will struggle with the dry air ...
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