Boston is experiencing a stretch of warm weather, with temperatures reaching 86 degrees today, which is 12 degrees above the average for this time of year. The humidity has been low, contributing to a comfortable atmosphere. However, this is set to change as humidity levels rise, leading to a chance of thunderstorms starting Wednesday night. The forecast indicates a high of 88 degrees on Wednesday with partly sunny skies and potential evening storms. Thursday is expected to be even warmer, hitting 90 degrees, with a continued risk of afternoon thunderstorms. As the week progresses, the humidity will peak, making conditions feel muggy, especially on Thursday. Early Saturday may bring some showers, but a cooler and less humid air mass will move in by Sunday, providing a more comfortable weekend. By Monday and Tuesday, temperatures will drop to around 80 degrees, with pleasant weather conditions returning to New England.