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 Ottawa Weather Forecast Summary |
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Today
May 19th
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Wednesday
May 20th
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Thursday
May 21st
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Friday
May 22nd
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Saturday
May 23rd
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Mostly Cloudy with Showers |
Mostly Sunny |
Mostly Sunny |
Showers |
Mostly Cloudy with Showers |
76°F
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62°F
48°F |
68°F
46°F |
62°F
52°F |
68°F
56°F |
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| Ottawa Detailed Weather Forecast |
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| Wednesday, May 20th, 2026 |
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Overnight |
Temperature: 49°F |
| Mostly clear. Windy at times. |
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Morning |
Temperature: 52°F |
| Sunny with cloudy periods. Windy at times. |
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Afternoon |
Temperature: 62°F |
| Mostly sunny. Windy at times. |
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Evening |
Temperature: 51°F |
| Mostly clear. Windy at times. |
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| Thursday, May 21st, 2026 |
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Overnight |
Temperature: 46°F |
| Mostly clear. |
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Morning |
Temperature: 54°F |
| Mostly sunny. Windy at times. |
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Afternoon |
Temperature: 67°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 55°F |
| Mostly clear. Windy at times. |
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| Friday, May 22nd, 2026 |
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Overnight |
Temperature: 52°F |
| Mostly cloudy. Windy at times. |
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Morning |
Temperature: 56°F |
| A mix of cloud and sun. Windy at times. |
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Afternoon |
Temperature: 59°F |
| Cloudy with showers likely. Windy at times. |
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Evening |
Temperature: 57°F |
| Cloudy with a few showers. Windy at times. |
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| Saturday, May 23rd, 2026 |
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Overnight |
Temperature: 56°F |
| A mix of cloudy and clear skies with a few showers. |
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Morning |
Temperature: 59°F |
| A mix of cloud and sun. |
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Afternoon |
Temperature: 66°F |
| A mix of cloud and sun. |
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Evening |
Temperature: 63°F |
| Mostly cloudy. |
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| Sunday, May 24th, 2026 |
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Overnight |
Temperature: 59°F |
| Mostly cloudy. |
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Morning |
Temperature: 64°F |
| Mostly sunny. |
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Afternoon |
Temperature: 76°F |
| Mostly sunny. |
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Evening |
Temperature: 69°F |
| Mostly clear. |
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| Monday, May 25th, 2026 |
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Overnight |
Temperature: 60°F |
| Mostly clear. |
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Morning |
Temperature: 65°F |
| A mix of sun and cloud. |
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Afternoon |
Temperature: 76°F |
| A mix of cloud and sun. Windy at times. |
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Evening |
Temperature: 66°F |
| Mostly clear. Windy at times. |
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| Tuesday, May 26th, 2026 |
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Overnight |
Temperature: 64°F |
| Cloudy. |
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Morning |
Temperature: 67°F |
| Cloudy with a chance of showers. |
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Afternoon |
Temperature: 75°F |
| Mostly cloudy with showers likely. Chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 69°F |
| Clear with cloudy periods with a chance of showers or thundershowers. |
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| Wednesday, May 27th, 2026 |
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Overnight |
Temperature: 67°F |
| A mix of clear and cloudy skies with a slight chance of showers. |
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Morning |
Temperature: 73°F |
| Sunny with a slight chance of showers or thundershowers. Windy at times. |
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Afternoon |
Temperature: 85°F |
| Mostly sunny with a slight chance of showers or thundershowers. Windy at times. |
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Evening |
Temperature: 78°F |
| Mostly clear. Chance of a thunderstorm. |
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