Autumn is only a month away, but don't expect calm, crisp days across the board. While some regions will slide into sweater weather, others could be dealing with wildfires, lingering summer heat or tropical storms that spin up close to home.
Meteorological fall starts on Monday, Sept. 1, while astronomical autumn starts on the equinox at 2:19 p.m. EDT on Monday, Sept. 22. But when will it actually feel like fall when you step outside?
Temperature trends: Warmth lingers, but cold blasts are lurking
Warm, humid air will hold firm across the eastern United States through the start of autumn, delaying the true arrival of fall-like weather conditions. However, the warmest weather, compared to the historical average, will be focused on areas from California to Texas and northward into Oregon and Idaho.
Chilly transitions will have people reaching for hoodies, pants and heavier coats in late October and into November as intrusions of cold air become more frequent. Meanwhile, warm air will be persistent across the Southeast and Southwest well into the second half of fall.
