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City of Union, OHUnion, OH Weather Forecast
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Union Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
 |  | | |  |  |  | | | | | |
| Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Partly Cloudy | Mostly Cloudy | Partly Cloudy | Clearing | Mostly Sunny | Mostly Clear | Mostly Sunny |
| Lo: 41°FLo: 5°C | Hi: 71°FHi: 22°C | Lo: 45°FLo: 7°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: 49°FLo: 9°C | Hi: 75°FHi: 24°C | Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 405 PM EDT Sat Oct 24 2026 
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Instant definitions for any meteorological term.
Issued: 142 AM EDT Sun Oct 25 2026
Key Messages
1) Dry conditions will continue through the week.
Discussion
... KEY MESSAGE 1) Anomalous mid level ridge extending from the lower Mississippi Valley into the Great Lakes will gradually lose amplitude during the early part of the week as several pieces of energy lift out of the western US into the Great Lakes. Flow will briefly become zonal mid week with low amplitude ridging returning late in the week. At the surface, a weak front will sag south into the area Monday into Monday night ...