What's the weather going to be like tomorrow?
It depends on your current location. You can easily check the weather for your location tomorrow by using a weather website or app on your phone for your location. They usually provide accurate and up-to-date information.
How about for San Francisco?
Sure!  The weather forecast for tomorrow, Sunday 02/12/23 in San Francisco, USA is sunny skies with a high near 60F. Winds west to southwest t 10 to 15 mph.