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 Waterloo Weather Forecast Summary |
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Today
Aug 12th
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Thursday
Aug 13th
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Friday
Aug 14th
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Saturday
Aug 15th
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Sunday
Aug 16th
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Mostly Sunny |
Mostly Sunny |
Mostly Sunny |
Mostly Sunny |
Thundershowers |
79°F
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75°F
59°F |
76°F
56°F |
75°F
57°F |
74°F
61°F |
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| Waterloo Detailed Weather Forecast |
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| Wednesday, August 12th, 2026 |
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Afternoon |
Temperature: 78°F |
| Sunny with cloudy periods. Chance of a thunderstorm. |
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Evening |
Temperature: 63°F |
| Clear with a chance of showers. |
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| Thursday, August 13th, 2026 |
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Overnight |
Temperature: 60°F |
| Mostly clear with a chance of showers. |
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Morning |
Temperature: 67°F |
| Mostly sunny with a slight chance of showers. |
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Afternoon |
Temperature: 75°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 63°F |
| Clear. |
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| Friday, August 14th, 2026 |
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Overnight |
Temperature: 56°F |
| Mostly clear. |
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Morning |
Temperature: 67°F |
| Mostly sunny. |
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Afternoon |
Temperature: 76°F |
| A mix of cloud and sun. Slight chance of a thunderstorm. |
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Evening |
Temperature: 60°F |
| Cloudy with clear periods with a slight chance of showers. |
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| Saturday, August 15th, 2026 |
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Overnight |
Temperature: 58°F |
| Mostly clear. |
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Morning |
Temperature: 64°F |
| Mostly sunny. |
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Afternoon |
Temperature: 75°F |
| Mostly sunny. |
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Evening |
Temperature: 64°F |
| Clear. |
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| Sunday, August 16th, 2026 |
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Overnight |
Temperature: 65°F |
| Mostly clear. Windy at times. |
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Morning |
Temperature: 71°F |
| Mostly cloudy with a slight chance of showers. Windy at times. |
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Afternoon |
Temperature: 72°F |
| Mostly cloudy with showers likely. Chance of a thunderstorm. |
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Evening |
Temperature: 70°F |
| Clear with cloudy periods with a chance of showers. Slight chance of a thunderstorm. Windy at times. |
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| Monday, August 17th, 2026 |
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Overnight |
Temperature: 65°F |
| Cloudy with clear periods with a chance of showers. Windy at times. |
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Morning |
Temperature: 62°F |
| A mix of cloud and sun with a slight chance of showers. |
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Afternoon |
Temperature: 70°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 60°F |
| Clear. |
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| Tuesday, August 18th, 2026 |
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Overnight |
Temperature: 57°F |
| Clear. |
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Morning |
Temperature: 66°F |
| Sunny. |
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Afternoon |
Temperature: 76°F |
| Sunny. |
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Evening |
Temperature: 66°F |
| Mostly clear. |
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| Wednesday, August 19th, 2026 |
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Overnight |
Temperature: 62°F |
| A mix of clear and cloudy skies. |
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Morning |
Temperature: 66°F |
| Mostly cloudy. |
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Afternoon |
Temperature: 70°F |
| A mix of cloud and sun with a chance of showers or thundershowers. |
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Evening |
Temperature: 66°F |
| A mix of cloudy and clear skies with a chance of showers or thundershowers. |
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| Thursday, August 20th, 2026 |
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Overnight |
Temperature: 62°F |
| Mostly clear. |
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Morning |
Temperature: 66°F |
| Mostly cloudy. |
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Afternoon |
Temperature: 65°F |
| Cloudy with a chance of showers. |
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Evening |
Temperature: 64°F |
| Mostly cloudy with a slight chance of showers. |
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