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City of Clairton, PAClairton, PA Weather Forecast
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Clairton Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
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| Patchy Fog | Mostly Cloudy | Clouds | Mostly Cloudy | Partly Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Chance of Showers | Showers Likely | Showers | Chance of Showers |
| Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C | Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C | Hi: 70°FHi: 21°C | Lo: 51°FLo: 11°C |
| POP: 40% | POP: 60% | POP: 60% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 823 AM EDT Sat Oct 31 2026 
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Issued: 706 AM EDT Sat Oct 31 2026
Key Messages
1) Dry weather is expected to continue until rain chances increase toward the middle of next week
Discussion
... KEY MESSAGE 1... Surface high pressure will drift east across the region through Sunday, maintaining dry weather. Mid and high clouds are expected to increase in warm advection ahead of a weakening shortwave trough across the Midwest. This trough is progged to cross the Upper Ohio Valley region on Monday, though with diminishing ascent and a lack of deep layer moisture, a dr...