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Borough of Ambridge, PAAmbridge, PA Weather Forecast
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Ambridge Weather Forecast
| OVERNIGHT | TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
 |  |  |  | |  |  | | | | | |
| Mostly Cloudy | Showers | Clearing | Sunny | Partly Cloudy | Partly Sunny | Clear | Mostly Sunny | Clear | Mostly Sunny | Clear | Sunny |
| Lo: 70°FLo: 21°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 50°FLo: 10°C | Hi: 71°FHi: 22°C | Lo: 51°FLo: 11°C | Hi: 61°FHi: 16°C | Lo: 40°FLo: 4°C | Hi: 60°FHi: 16°C | Lo: 41°FLo: 5°C | Hi: 69°FHi: 21°C |
| POP: 100% |
POP = Probability of Precipitation.
Weather Outlook Updated: 202 AM EDT Fri Oct 02 2026 
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Issued: 220 AM EDT Fri Oct 2 2026
Key Messages
1) Showers return with a Friday cold front, with no notable threats for heavy rain or severe thunderstorms.
2) Cooler and mainly dry from this weekend into early next week. Frost is a possibility Tuesday and Wednesday mornings, mainly northeast of Pittsburgh.
Discussion
... KEY MESSAGE 1... A trough over the central Plains will begin to eject east today as the trough lifts into the OH Valley during the day on Friday. A ridge will be present over the southeast/eastern CONUS as this will ...