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Town of Marcellus, NYMarcellus, NY Weather Forecast
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Marcellus Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
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| Mostly Sunny | Fog | Chance of Showers | Chance of Showers | Partly Sunny | Partly Cloudy | Mostly Sunny | Mostly Clear | Partly Sunny | Showers | Chance of Showers | Chance of Showers |
| Hi: 71°FHi: 22°C | Lo: 49°FLo: 9°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 70°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C |
| POP: 30% | POP: 50% | POP: 70% | POP: 50% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 535 AM EDT Fri Sep 11 2026 
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Issued: 649 AM EDT Fri Sep 11 2026
Key Messages
1) Mostly dry and pleasant conditions will continue through the end of the week.
2) Showers Saturday night then scattered thunderstorms Sunday afternoon into the evening.
3) Another system will bring the next round of showers and storms by midweek.
Discussion
... KEY MESSAGE 1...
Mid and high level clouds should erode this morning across the region with enough sunshine for most locations to get into the 70`s for highs. Tonight looks to be the coldest night with high pressure and clear ski...