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Farnham, OH Weather Forecast
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Farnham Weather Forecast
| TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY |
 |  | |  |  |  |  |  | | |  | |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Showers | Chance of Showers | Clearing | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Partly Cloudy |
| Lo: 71°FLo: 22°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 60°FLo: 16°C | Hi: 79°FHi: 26°C |
| POP: 50% | POP: 40% | POP: 70% | POP: 70% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 803 PM EDT Wed Sep 02 2026 
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Issued: 724 PM EDT Wed Sep 2 2026
Key Messages
1) Several rounds of thunderstorms are possible through midday on Friday. Thunderstorms may be strong to severe at times, including a threat of heavy rain and flash flooding.
2) Hot and humid conditions are forecast to continue on Thursday. Heat index values are forecast to be in the upper 90s for another day in Northwest Ohio with upper 80s to lower 90s forecast in Northeast Ohio.
3) Cooler and drier weather is expected for the holiday weekend.
Discussion
... KEY MESSAGE 1... A broad ri...