CheckWeather US›Ottawa
Ottawa weather
Loading live data…NWSNational Blend (NBM)
67°
Clear
Feels 67° · Wind 0 mph · Humidity 62%
AmericanNOAA GFS
66°
Clear
Feels 66° · Wind 1 mph · Humidity 63%
EuropeanECMWF
65°
Clear
Feels 65° · Wind 2 mph · Humidity 67%
Latest for Ottawa: NWS (National Blend (NBM)): 67° Clear · American (NOAA GFS): 66° Clear · European (ECMWF): 65° Clear.
The weather map: all three models at once
NWS, American, European side by side around Ottawa and nearby towns.Live rain radar →Loading the three model maps…
Next 14 hours
consensus of the three models7-day forecast
where the models agree, and where they splitOttawa is a small town of about 18,000 people in IL, sitting at 41.3°N in a temperate climate zone. NWS, American, European each forecast Ottawa with their own physics, so we line all three up and flag where they disagree. Nearby towns include La Salle, Peru, Streator.
Common questions
What's the weather in Ottawa today?
On this page we show what NWS, American, European each forecast for Ottawa today, side by side and updated live. When all three agree the forecast is reliable; when they split, we flag it so you know the day is genuinely less certain.
Will it rain in Ottawa today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Ottawa and flag the days where the models disagree on whether showers actually arrive, which is exactly when a single app can catch you out.
Which forecast is most accurate for Ottawa?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Ottawa forecast is reliable, and when they split you should expect surprises. See our tested US accuracy scoreboard for how the models compare.
The forecasts Americans check
The two biggest apps keep their model a secret, so we can't show their numbers, only link you to them. The National Weather Service is public, so its data sits right in the comparison above.