Other than the canonical "Do I bring an umbrella?" we have one actionable need for precise weather forecasting: In hot weather I have outfit our California hou

Other than the canonical "Do I bring an umbrella?" we have one actionable need for precise weather forecasting: In hot weather I have outfit our California house with an assortment of commercial (quiet whole-house exhaust) and homebuilt (computer fan arrays in each window) fans. We rarely use air conditioning even in extreme heat, instead waiting till outdoor air is cooler than inside air to open up the house overnight. It's important to hang box fans between rooms to stir the air as much as possible; one is storing coolth in the walls. People are always surprised we're not on AC when they come inside the next afternoon. As we're both on east coast schedules I sometimes have to set an alarm to get up and open up the house. This is guesswork. Better forecasting would really help. I don't see any multimodel tools in any of these paid apps that give me a better view, zooming in on this precise question, than a generic hourly forecast by the usual suspects. (New construction near us forces a reliance on AC. One would think that in regions with good daily temperature swings, designing a house like a water-cooled computer would make sense. We should be seeing as many rooftop radiators as solar panels. Not a thing...)