Big Run, PA 7-Day Weather Forecast
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Big Run Weather Forecast


Big Run, PA Weather Forecast Date: 743 PM EDT Fri Sep 25 2026
Weather forecast for Big Run, PA
| Tonight Lo: 49°F Lo: 9°C |
Tonight... Mainly clear. Lows in the upper 40s. North winds 5 to 10 mph. |
| Sat Hi: 70°FHi: 21°C Lo: 51°F Lo: 11°C |
Saturday... Partly cloudy. Highs around 70. North winds 5 to 10 mph with gusts up to 20 mph. |
| Sun Hi: 65°FHi: 18°C Lo: 55°F Lo: 13°C |
Sunday... Partly sunny in the morning, then mostly cloudy with a slight chance of showers in the afternoon. Highs in the mid 60s. North winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 20%. |
| Mon Hi: 65°FHi: 18°C Lo: 55°F Lo: 13°C |
Monday... Considerable cloudiness. Highs in the mid 60s. |
| Tue Hi: 69°FHi: 21°C Lo: 51°F Lo: 11°C |
Tuesday... Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 60s. |
| Wed Hi: 71°FHi: 22°C Lo: 59°F Lo: 15°C |
Wednesday... Partly sunny. Highs in the lower 70s. |
| Thu Hi: 71°FHi: 22°C Lo: 55°F Lo: 13°C |
Thursday... Partly sunny. A chance of showers in the afternoon. Highs in the lower 70s. Chance of rain 30%. |
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