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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the True North Brief Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
Expect a mix of sun and cloud today with a high near 6°C, though the live forecast above shows the precise current reading. A weak cold front will bring a 30% chance of light showers this afternoon, so keep a jacket handy if you’re heading out in Ottawa or the surrounding region.
What will the temperature feel like today?
Wind chill will make it feel closer to 1°C this morning, easing to a comfortable 4°C by midday. The UV index is low at 2, so no special sun protection is needed. Overnight lows dip to -2°C under clearing skies, with frost possible in sheltered areas like Owen Sound and Lethbridge.
Is rain or snow expected in the 10-day outlook?
The next 48 hours remain dry for most of southern Ontario, but a system tracking from Alberta brings a 60% chance of rain by Wednesday. For weather in Ottawa 10 days, expect seasonal temperatures near 5°C with a gradual warming trend toward the weekend. No significant snowfall is forecast for the lower mainland or the Prairies through Thursday.
Will the weather in Ottawa tomorrow be warmer?
Yes, tomorrow’s high reaches 8°C under partly cloudy skies, with a 20% chance of isolated showers. Winds shift to the southwest at 10 km/h, making it feel milder than today.
What’s the weather in Owen Sound 10 days looking like?
Owen Sound sees a high near 5°C today, with lake-effect cloud building by Wednesday. The 10-day trend shows highs between 3°C and 7°C, with rain likely on Thursday and Friday.
Is there a weather warning for Lethbridge today?
No active warnings for Lethbridge as of this morning. The region will see a high of 7°C with light winds, though a frost advisory may be issued overnight if skies clear fully.
Sources
For more details, check our Canada weather hub or the dedicated Ottawa Weather page. Hourly updates for what’s today’s weather are available on the live forecast above.