Farnham, NY Weather Forecast
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Farnham Weather Forecast
| THIS AFTERNOON | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
| Chance of Showers | Chance of Showers | Patchy Fog | Patchy Fog | Patchy Fog | Patchy Fog | Patchy Fog | Clear | Mostly Sunny | Mostly Cloudy | Chance of Showers | Showers |
| Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | Lo: 51°FLo: 11°C | Hi: 70°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C | Lo: 61°FLo: 16°C | Hi: 80°FHi: 27°C | Lo: 65°FLo: 18°C | |
| POP: 50% | POP: 40% | POP: 40% | POP: 60% |
POP = Probability of Precipitation.
Weather Outlook Updated: 230 PM EDT Fri Sep 04 2026 

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Issued: 259 PM EDT Fri Sep 4 2026
Key Messages
1.) Periodic showers and thunderstorms expected through this evening. Otherwise, quiet weather is likely through Labor Day.
Discussion
... KEY MESSAGE 1...Periodic showers and thunderstorms expected through this evening. Otherwise, quiet weather is likely through Labor Day.
NW`erly flow aloft and embedded shortwave troughs impact Western and Central NY through tonight. At the surface, a high pressure ridge builds slowly from northern ON and vicinity. Periods of isolated to scattered sho...
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