Aliso Viejo weather
Loading live data…Latest for Aliso Viejo: NWS (National Blend (NBM)): 67° Partly cloudy · American (NOAA GFS): 65° Mainly clear · European (ECMWF): 70° Partly cloudy.
The weather map: all three models at once
NWS, American, European side by side around Aliso Viejo and nearby towns.Live rain radar →Next 14 hours
consensus of the three models7-day forecast
where the models agree, and where they splitAliso Viejo, CA is at its warmest in Aug (average highs near 83°F) and coldest in Feb (lows around 45°F), with roughly 27 in of precipitation across the year. Below, compare what NWS, American, European forecast for Aliso Viejo right now, and see exactly where they disagree.
Aliso Viejo climate by month
average daytime high and overnight low across a typical yearWhich forecast is most accurate in the US?
CheckWeather Score — graded against the weather that actually happened
The CheckWeather Score blends temperature, wind and rain accuracy — each measured against ERA5 (the recorded weather) over the last 30 days across 40 cities. Lower error means a higher score. The apps you know (AccuWeather, Apple Weather, The Weather Channel) are built on these models.
Common questions
What's the weather in Aliso Viejo today?
Will it rain in Aliso Viejo today or tomorrow?
Which forecast is most accurate for Aliso Viejo?
What is the warmest month in Aliso Viejo?
How cold does Aliso Viejo get?
How much rain does Aliso Viejo get?
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.