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City of Fairfield, OhioFairfield, OH Weather Forecast
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Fairfield Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
 |  | | | | | | | | |  | |
| Clear | Sunny | Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Partly Cloudy | Mostly Sunny |
| Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 80°FHi: 27°C | Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C | Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C | Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 218 PM EDT Mon Oct 05 2026 
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Issued: 1259 PM EDT Mon Oct 5 2026
Key Messages
1) Dry weather and slowly warming temperatures continue through Saturday. The next chance for rain may develop on Sunday or Monday.
Discussion
... Key Message 1)
High pressure builds into the Ohio Valley through Tuesday. Cool and clear conditions persist. Some patchy frost is possible tonight with clear skies and calm winds across the area. River valley fog is likely overnight.
The first high shifts east on Tuesday night into Wednesday before another area of high pressure builds in from ...