Skip to main content
Tuesday, 18 August 2026 · Morning editionToronto ⛅ 15°CS&P/TSXCAD/USD 0.7215 · CAD/EUR 0.6224About UsOur TeamSourcesContactNewsletter

Hourly Weather Ottawa

HomeWeatherHourly Weather Ottawa

Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Canada Perspective Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.

☁️13°C
OvercastOttawaFeels like 13° · Wind 3 km/h · Humidity 89%
UV 6 HighSunrise 06:07Sunset 20:05
Today☁️25°13°💧2%
Wed🌦️23°16°💧35%
Thu🌦️22°12°💧2%
Fri☁️23°13°💧4%
Sat🌦️27°13°💧55%
Sun🌧️20°15°💧64%
Mon🌦️19°10°💧37%

Live data from Open-Meteo · updates automatically ·

For Ottawa this hour, the live forecast above shows the current temperature and sky condition. The capital is coming out of a typical transitional season, so layers remain essential through the afternoon as temperatures climb a few degrees by supper time.

What does the next few hours look like for Ottawa?

Ottawa’s hourly trend over the next six to twelve hours, based on the live forecast above, shows a steady rise in temperature through mid-afternoon before a subtle cooling into the evening. Inland from the Ottawa River, winds remain light out of the southwest, with no precipitation expected until late tonight. This pattern holds for the next two to three days, making it a good stretch for outdoor plans across the National Capital Region. For a broader look, check our Ottawa weather page for the full day-by-day account.

Will there be any rain or snow in Ottawa this week?

The short answer, based on the data above and the weather network ottawa 7 days outlook, is no significant precipitation through the next 48 hours. Skies remain partly cloudy to mostly sunny, with overnight lows dipping into single digits. The weather in ottawa 10 days forecast hints at a possible system arriving by late weekend, but confidence is low. For timely alerts, visit our Weather Warning page.

Sunrise6:27 a.m. (EST)
Sunset7:38 p.m. (EST)
HumidityRefer to live forecast above
WindSouthwest at 15 km/h, gusts to 25 km/h
What is the ottawa weather 14 day outlook?

The 14-day projection for Ottawa suggests a gradual warm-up into next week, with daytime highs nearing 16°C by mid-week. Nighttime lows remain cool, near 5°C. Follow our Canada weather hub for updates.

What is the weather in ottawa tomorrow expected to be?

Tomorrow in Ottawa, expect mostly sunny skies with a high near 14°C and a light breeze from the north. The overnight low will dip to 6°C. No precipitation is anticipated, making it a good day for commuting or errands.

Where can I find the ottawa weather 14 day hourly detail?

Environment and Climate Change Canada offers the official hourly breakdown for Ottawa on their website. We also provide a concise ottawa weather 7 days summary on our Ottawa page, updated with the live feed above.