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Harmon Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
 |  | | | |  |  | |  |  | | |
| Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Mostly Clear | Partly Cloudy | Partly Cloudy | Partly Cloudy | Chance of Showers | Partly Sunny | Partly Cloudy | Clearing |
| Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 80°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C |
| POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 717 PM EDT Sat Sep 05 2026 
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Issued: 736 PM EDT Sat Sep 5 2026
Key Messages
1) Cooler and much less humid conditions will move in tonight, and a NE flow will bring lake-effect showers to NW and north central Ohio late tonight into Sunday morning.
2) Seasonable and dry weather is expected Sunday afternoon through the rest of the holiday weekend before a brief period of hot, humid, and unsettled weather returns mid week.
Discussion
... KEY MESSAGE 1... Mid/upper water vapor loops this afternoon show the broad ridge finally being shunted farther west into the Plai...