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City of Marietta, OhioMarietta, OH Weather Forecast
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| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
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| Partly Sunny | Cloudy | Mostly Cloudy | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Partly Cloudy | Showers Likely | Showers Likely | Chance of Showers | Chance of Showers |
| Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C | Lo: 50°FLo: 10°C | Hi: 69°FHi: 21°C | Hi: 71°FHi: 22°C Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C Lo: 49°FLo: 9°C | Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C Lo: 51°FLo: 11°C |
| POP: 60% | POP: 60% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 532 AM EDT Sat Oct 31 2026 
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Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 520 AM EDT Sat Oct 31 2026
Key Messages
1) Much of the area should remain dry into early next week, then a system brings widespread precipitation chances mid to late week.
Discussion
... KEY MESSAGE 1...
While clouds increase overhead, high pressure is expected to sustain dry conditions through the weekend. Despite relative humidity values lowering to around 25 to 35 percent each afternoon, light winds will temper fire weather concerns.
A slight chance (around 20% or less) of showers can`t be ruled out along and west of the Oh...