There might be some reasons why the daily forecast data is not showing on your weather view. 

(1) It is mandatory to create weather shortcodes with Geo Coordinates for a specific location to show the weather forecast data. Read the docs to learn how to set Coordinates: https://locationweather.io/docs/docs/how-to-display-weather-details-with-geo-coordinates/

(2) If you are using a free API of the OpenWeatherMap this can be another reason. You can check your services/plan from the OpenWeatherMap Services. Check the screenshot: https://prnt.sc/Lvbm1u32sRtJ. Here, you will see that the Daily forecast is unavailable with a Free Plan.

Now, to show daily forecast data with free API follow the instructions:

You can subscribe to the One Call API 3.0 plan with valid credit card information, which will allow you to show hourly forecast for 48 hours and daily forecast for 8 days with the plugin. You can use this without any cost as it offers 1,000 calls per day to show the weather forecast. 

After that, for each call, you will be charged from OpenWeatherMap. To avoid the charges, you can limit the call from your OpenWeatherMap account. Check the screenshot: https://prnt.sc/DmGHj4-7Tp60

Additional Information:

OpenWeatherMap recently updated their policies ( September 2022 ), and now free plan services are limited, so a user will need to subscribe to a plan to show forecast days weather information. You can also check this doc: https://locationweather.io/docs/docs/how-to-configure-display-upcoming-weather-forecast-data/