Jamesville, NY Weather Forecast
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Jamesville Weather Forecast
| THIS AFTERNOON | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
| Mostly Cloudy | Patchy Fog | Chance of T-Storm | Partly Cloudy | Mostly Sunny | Partly Cloudy | Partly Sunny | Showers | Showers | Partly Cloudy | Chance of Showers | Chance of Showers |
| Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C |
| POP: 80% | POP: 80% | POP: 70% | POP: 30% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 230 PM EDT Wed Sep 16 2026 

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Issued: 243 PM EDT Wed Sep 16 2026
Key Messages
1) Warmer and more humid with showers through Thursday.
2) Pleasant weather for Friday through most of Saturday.
3) A more active pattern returns starting later Saturday.
Discussion
... KEY MESSAGE 1...
Increasing humidity and temperatures are expected through Thursday with a warm front crossing just north of the area earlier in the day. Within this warmer and more humid airmass a few scattered showers will be possible through tonight, but forcing is limited for any more organized activit...
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