Waterloo, OH 7-Day Weather Forecast
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Waterloo Weather Forecast


Waterloo, OH Weather Forecast Date: 532 PM EDT Wed Oct 21 2026
Weather forecast for Waterloo, OH
| Tonight Lo: 39°F Lo: 4°C |
Tonight... Mostly clear. Patchy dense fog after midnight. Lows in the upper 30s. Light and variable winds. |
| Thu Hi: 69°FHi: 21°C Lo: 39°F Lo: 4°C |
Thursday... Areas of dense fog in the morning. Sunny. Highs in the upper 60s. North winds around 5 mph. |
| Fri Hi: 69°FHi: 21°C Lo: 41°F Lo: 5°C |
Friday... Sunny. Highs in the upper 60s. Northeast winds around 5 mph. |
| Sat Hi: 70°FHi: 21°C Lo: 41°F Lo: 5°C |
Saturday... Clear. Highs around 70. Lows in the lower 40s. |
| Sun Hi: 71°FHi: 22°C Lo: 41°F Lo: 5°C |
Sunday... Mostly clear. Highs in the lower 70s. Lows in the lower 40s. |
| Mon Hi: 71°FHi: 22°C Lo: 41°F Lo: 5°C |
Monday... Mostly clear. Highs in the lower 70s. Lows in the lower 40s. |
| Mon Hi: 71°FHi: 22°C Lo: 45°F Lo: 7°C |
Monday... Mostly clear. Highs in the lower 70s. Lows in the lower 40s. |
| Tue Hi: 70°FHi: 21°C Lo: 45°F Lo: 7°C |
Tuesday... Partly cloudy. Lows in the mid 40s. Highs around 70. |
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