Waterloo, PA 7-Day Weather Forecast
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Waterloo Weather Forecast


Waterloo, PA Weather Forecast Date: 730 PM EDT Fri Sep 18 2026
Weather forecast for Waterloo, PA
| Tonight Lo: 51°F Lo: 11°C |
Tonight... Partly cloudy this evening, then becoming mostly clear. Patchy fog after midnight. Cooler with lows in the lower 50s. North winds around 5 mph. |
| Sat Hi: 71°FHi: 22°C Lo: 61°F Lo: 16°C |
Saturday... Patchy fog in the morning. Mostly sunny. Highs in the lower 70s. Northeast winds around 5 mph, becoming southeast in the afternoon. |
| Sun Hi: 71°FHi: 22°C Lo: 59°F Lo: 15°C |
Sunday... Showers with highs in the lower 70s. South winds 5 to 10 mph. Chance of rain near 100%. |
| Mon Hi: 69°FHi: 21°C Lo: 51°F Lo: 11°C |
Monday... Partly sunny with a 30% chance of showers. Highs in the upper 60s. |
| Tue Hi: 60°FHi: 16°C Lo: 49°F Lo: 9°C |
Tuesday... Showers likely. Highs around 60. Chance of rain 70%. |
| Wed Hi: 59°FHi: 15°C Lo: 49°F Lo: 9°C |
Wednesday... Mostly cloudy with a chance of showers. Highs in the upper 50s. Chance of rain 50%. |
| Thu Hi: 61°FHi: 16°C Lo: 50°F Lo: 10°C |
Thursday... Mostly cloudy with a chance of showers. Highs in the lower 60s. Chance of rain 50%. |
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