Fall 2025 In Usa Weather. Starts on december 21, 2025, at 4:21 am and lasts until march 20,. Here's how the temperature outlook is shaping up across the u.s.

Federal forecasters expect a la niña climate pattern to form in the coming months, according to a report released thursday — offering a potential picture of what the weather could look like. As we step into 2025, the world stands at a critical juncture in the battle against climate change and unpredictable weather patterns.