No, I do not have ads in my weather app. Also, its a shame that you don't know that the ads are not displayed by Samsung, the ads are displayed by The Weather Channel.
Friend, it is displayed in default samsung weather app...Its a shame that you don't know Samsung in now pushing marketing ads through their apps and services. Don't be afraid , you will soon get this type of ads in your beloved samsung smartphone.
The default weather app takes its services from The weather channel. I have used many Samsung devices, even now I am using a midrange device, not even a flagship, and Samsung hasn't started pushing ads. Samsung has a clear policy, if you want ads, you see those, if you don't want, you don't see those. There is an option to opt out od customization service and marketing information when you set up your device. Like how Google maps uses Glonass, GPS, Beidou, BDS etc. Similarly Samsung weather uses The weather channel.
A number of stock One UI apps, including Phone, Music, Weather, Galaxy Apps, Bixby, Samsung Health, and Samsung Pay, already show banner ads, even on flagship devices.Do you think an Iphone of this rate will ever display an ad , even about their own products or services?
