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City of Aliquippa, PAAliquippa, PA Weather Forecast
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Aliquippa Weather Forecast
| OVERNIGHT | TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
 |  |  |  |  | | | | | | | |
| Chance of Showers | Chance of Showers | Partly Cloudy | Mostly Sunny | Clear | Sunny | Clear | Sunny | Clear | Mostly Sunny | Clear | Mostly Sunny |
| Lo: 55°FLo: 13°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 41°FLo: 5°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 70°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C |
| POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 223 AM EDT Wed Sep 23 2026 
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Issued: 107 AM EDT Wed Sep 23 2026
Key Messages
1) One last day of scattered showers across eastern Ohio before dry weather returns
2) Below-normal temperatures linger through mid-week and moderate by the weekend
Discussion
... KEY MESSAGE 1... We`ll remain sandwiched between surface low pressure off to our south and surface high pressure off to our northeast on Wednesday. An inverted trough will pivot to the west into eastern Ohio and focus one last day of scattered showers there. Latest HREF probability for measurable precip sugges...