Pittsburgh is preparing for a day characterized by rainy conditions, with the National Weather Service predicting the possibility of thunderstorms developing in the afternoon. The weather forecast indicates that the city will experience moderate rainfall, which may occasionally intensify into heavy downpours. Despite the rain, temperatures are expected to remain mild, fluctuating between 60°F (16°C) and 70°F (21°C), providing a relatively temperate backdrop to the anticipated wet weather.