Sudden Seasonal Changes
Leaving home with a light jacket could be considered perfect when the weather is mild in spring, but sudden seasonal changes could make it too cold in as little as an hour. A person in this situation might be shivering before they reach their destination, but it could be an opening for a potential date to approach them. While it is not recommended to dress too light for cool weather, those who fail to pay attention to the local forecast could find someone special in their life as a result.
It is not fun to be cold due to weather changes, and finding warmth could be important. Dropping in to get a hot cup at a local coffee or tea shop could be a new experience, and it could lead to a pleasant conversation with someone new. It might be the icebreaker needed to meet a potential date, or it could turn out to be a lifetime friendship. Taking a chance on conversation in a public place is generally acceptable, and meeting for a date later might be fruitful.
There are plenty of shops in modern areas, but people tend to have favorites where they meet friends and co-workers. For those who are outside of their normal area, a new shop will present them with a different group of people to meet. A local restaurant with full service could provide the same opportunities, and even a vendor cart in a protected area will do in a pinch. This is about keeping warm, so meeting someone new would be a bonus.
There are many opportunities in life if people are open to the possibilities, so meeting someone new should be a usual occurrence. For those who have underdressed for the local weather because they missed the forecast, it could be the boon they have been seeking.