Potsdam, NY Weather Forecast
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Potsdam Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
| Sunny | Clear | Mostly Sunny | Mostly Cloudy | Chance of Showers | Partly Cloudy | Mostly Clear | Mostly Clear | Chance of Showers | Showers | Partly Cloudy | Partly Cloudy |
| Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 79°FHi: 26°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C Lo: 50°FLo: 10°C | Hi: 69°FHi: 21°C Lo: 50°FLo: 10°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C Lo: 55°FLo: 13°C |
| POP: 50% | POP: 40% | POP: 70% |
POP = Probability of Precipitation.
Weather Outlook Updated: 400 AM EDT Fri Sep 11 2026 

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Issued: 217 PM EDT Fri Sep 11 2026
Key Messages
As of 217 PM EDT Friday...
1. Dry, clear, and seasonably cool weather will continue through Saturday, supporting our coolest morning of the season so far.
2. Rounds of showers and breezy periods will follow early Sunday and Monday mornings, with isolated to scattered showers and a chance of thunderstorms in between. Warm and humid conditions on Sunday will trend much cooler and drier on Monday.
3. A progressive pattern will support periods of rain showers with a trough favored to move t...
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