Why is the weather different in Karachi Lahore Islamabad at the same time?

The weather in Karachi, Lahore, and Islamabad can differ significantly at the same time due to their distinct geographic locations and climatic influences. Karachi, located on the coast, experiences a maritime climate with moderate temperatures and high humidity, while Lahore, situated inland, has a more continental climate characterized by hotter summers and cooler winters. Islamabad, being in the northern part of the country and at a higher elevation, tends to have a more temperate climate with cooler temperatures and distinct seasonal variations. These factors contribute to the varying weather conditions across these cities.