Ottawa weather
Loading live data…The weather map: all three models at once
European, American, German side by side around Ottawa and nearby towns.Live rain radar →Hourly forecast: next 14 hours
consensus of the three modelsRain in the next 24 hours, model by model
each model's own hourly precipitation, side by sideLoading the three models…
10-day forecast, out to 14 days
where the models agree, and where they splitHeading to Ottawa? Ottawa, Canada, sits at 45.4°N in a temperate climate zone. Before you lock in outdoor plans, compare how the three global models - European (ECMWF), American (GFS) and German (ICON) - forecast Ottawa right now. Where they agree you can trust it; the days they split are exactly when a single weather app is least reliable. For a city break, the rain hours below tell you which days to plan indoors.
Best time to visit Ottawa
The most comfortable time to visit Ottawa is usually May, June and September, when daytime highs sit in the pleasant 60-78°F range and the heaviest August rain is behind you.
Ottawa weather by month
what to expect in Ottawa through the yearHere is Ottawa's typical weather in each month: the average daytime high and overnight low in °F, how each month feels, and the wettest month marked. Use it to plan any trip to Ottawa by season.